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USD ($)

USD ($) / shares

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font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;70.00&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;95.83&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;105.00&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="white"&gt;&lt;td valign="bottom" width="12%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;2013&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="15%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Swaps&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="13%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;Dated Brent&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;3,000&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;98.03&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="#cceeff"&gt;&lt;td valign="bottom" width="12%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;2013&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="15%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Three-Way Collars&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="13%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;NYMEX WTI&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;5,000&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;65.00&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;85.00&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;113.63&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="white"&gt;&lt;td valign="bottom" width="12%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;2013&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="15%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Three-Way Collars&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="13%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;&amp;#160;Dated Brent&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;12,000&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;-&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;75.83&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;97.50&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;125.93&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-indent: 0pt; display: block;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: Times New Roman; font-size: 10pt;"&gt;&lt;font style="display: inline; font-size: 70%; vertical-align: text-top;"&gt;(1)&lt;/font&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;West Texas Intermediate&lt;/font&gt;&lt;/div&gt;&lt;div&gt;&lt;br /&gt;&lt;/div&gt;&lt;div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: Times New Roman; font-size: 10pt;"&gt;As of March 31, 2011, we had entered into the following natural gas derivative instruments:&lt;/font&gt;&lt;/div&gt;&lt;div style="text-indent: 0pt; display: block;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div&gt;&lt;table cellpadding="0" cellspacing="0" width="100%" style="font-family: times new roman; font-size: 10pt;"&gt;&lt;tr&gt;&lt;td valign="bottom" style="padding-bottom: 2px;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" style="padding-bottom: 2px;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" style="padding-bottom: 2px;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" style="padding-bottom: 2px;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="padding-bottom: 2px;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; padding-bottom: 2px;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" style="padding-bottom: 2px;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Swaps&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left; padding-bottom: 2px;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" style="padding-bottom: 2px;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="10" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Collars&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Period&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Type of Contract&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Index&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;MMBtu Per Day&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Weighted Average Fixed Price&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Weighted Average Short Put Price&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Weighted Average Floor Price&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Weighted Average Ceiling Price&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="#cceeff"&gt;&lt;td valign="bottom" width="11%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;2011&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="15%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Swaps&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="14%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&amp;#160;&amp;#160;NYMEX HH&lt;font style="display: inline; font-size: 70%; vertical-align: text-top;"&gt;(1)&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;25,000&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;6.41&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="white"&gt;&lt;td valign="bottom" width="11%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;2011&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="15%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Two-Way Collars&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="14%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;NYMEX HH&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;140,000&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;5.95&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;6.82&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="#cceeff"&gt;&lt;td valign="bottom" width="11%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;2011&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="15%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Three-Way Collars&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="14%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;NYMEX HH&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;50,000&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;4.00&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;5.00&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;6.70&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="white"&gt;&lt;td valign="bottom" width="11%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;2012&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="15%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Swaps&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="14%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;NYMEX HH&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;30,000&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;5.10&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="#cceeff"&gt;&lt;td valign="bottom" width="11%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;2012&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="15%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Three-Way Collars&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="14%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;NYMEX HH&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;110,000&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;4.44&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;5.25&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;6.66&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="white"&gt;&lt;td valign="bottom" width="11%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;2013&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="15%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Swaps&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="14%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;NYMEX HH&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;30,000&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;5.25&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="#cceeff"&gt;&lt;td valign="bottom" width="11%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;2013&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="15%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Three-Way Collars&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="14%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;NYMEX HH&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;50,000&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;-&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;4.00&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;5.25&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;5.59&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-indent: 0pt; display: block;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div&gt;&lt;table align="center" border="0" cellpadding="0" cellspacing="0" width="100%" style="font-family: times new roman; font-size: 10pt;"&gt;&lt;tr valign="top"&gt;&lt;td style="width: 18pt;"&gt;&lt;div style="text-indent: 0pt; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: Times New Roman; font-size: 10pt;"&gt;&lt;font style="display: inline; font-size: 70%; vertical-align: text-top;"&gt;(1)&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&lt;div align="left"&gt;&lt;font style="display: inline; font-family: Times New Roman; font-size: 10pt;"&gt;Henry Hub&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-indent: 0pt; display: block;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: Times New Roman; font-size: 10pt;"&gt;As of March 31, 2011, we had entered into the following natural gas basis swaps:&lt;/font&gt;&lt;/div&gt;&lt;div style="text-indent: 0pt; display: block;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div align="left"&gt;&lt;table cellpadding="0" cellspacing="0" width="90%" style="font-family: times new roman; font-size: 10pt;"&gt;&lt;tr&gt;&lt;td valign="bottom" width="22%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Period&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="22%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Index&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="22%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Index Less Differential&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom" width="10%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;MMBtu Per Day&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom" width="10%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Weighted Average Differential&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="#cceeff"&gt;&lt;td valign="bottom" width="22%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;2011&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="22%" style="text-align: center;"&gt;&lt;div style="text-align: center; text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&amp;#160; IFERC CIG&lt;font style="display: inline; font-size: 70%; vertical-align: text-top;"&gt;(1)&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="22%"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;NYMEX HH&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;140,000&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: right; text-indent: 0pt; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left; text-indent: 0pt; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right; text-indent: 0pt; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;(0.70&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left; text-indent: 0pt; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;)&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="white"&gt;&lt;td valign="bottom" width="22%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;2012&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="22%" style="border-bottom: black 2px solid; text-align: center; text-indent: 0pt; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;div style="text-align: center; text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;IFERC CIG&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="22%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;&amp;#160;NYMEX HH&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;150,000&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;(0.52&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;)&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-indent: 0pt; display: block;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div&gt;&lt;table align="center" border="0" cellpadding="0" cellspacing="0" width="100%" style="font-family: times new roman; font-size: 10pt;"&gt;&lt;tr valign="top"&gt;&lt;td style="width: 18pt;"&gt;&lt;div style="text-indent: 0pt; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: Times New Roman; font-size: 10pt;"&gt;&lt;font style="display: inline; font-size: 70%; vertical-align: text-top;"&gt;(1)&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&lt;div align="left"&gt;&lt;font style="display: inline; font-family: Times New Roman; font-size: 10pt;"&gt;Colorado Interstate Gas &amp;#8211; Northern System&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;</NonNumbericText><NonNumericTextHeader>Unsettled Derivative Instruments&amp;#160;&amp;#160;&amp;#160;As of March 31, 2011, we had entered into the following crude oil derivative instruments:&amp;#160;&amp;#160;&amp;#160;</NonNumericTextHeader><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat><hasSegments>false</hasSegments><hasScenarios>false</hasScenarios></Cell></Cells><OriginalInstanceReportColumns /><Unit>Other</Unit><ElementDataType>us-types:textBlockItemType</ElementDataType><SimpleDataType>string</SimpleDataType><ElementDefenition>A table or schedule that identifies and provides pertinent information about a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item.</ElementDefenition><ElementReferences>No authoritative reference available.</ElementReferences><IsTotalLabel>false</IsTotalLabel><IsEPS>false</IsEPS><Label>Unsettled Derivative Instruments</Label></Row><Row><Id>4</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><Level>0</Level><ElementName>us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock</ElementName><ElementPrefix>us-gaap</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><ShortDefinition>No definition available.</ShortDefinition><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsSubReportEnd>false</IsSubReportEnd><IsCalendarTitle>false</IsCalendarTitle><IsTuple>false</IsTuple><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><PreferredLabelRole>label</PreferredLabelRole><FootnoteIndexer /><Cells><Cell><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;div&gt;&lt;div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: Times New Roman; font-size: 10pt;"&gt;&lt;font style="font-style: italic; display: inline;"&gt;Fair Value Amounts and Gains and Losses on Derivative Instruments&amp;#160;&amp;#160;&amp;#160;&lt;/font&gt;The fair values of derivative instruments in our consolidated balance sheets were as follows:&lt;/font&gt;&lt;/div&gt;&lt;div style="text-indent: 0pt; display: block;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: Times New Roman; font-size: 10pt; font-weight: bold;"&gt;Fair Value of Derivative Instruments&lt;/font&gt;&lt;/div&gt;&lt;div style="text-indent: 0pt; display: block;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div&gt;&lt;table cellpadding="0" cellspacing="0" width="100%" style="font-family: times new roman; font-size: 10pt;"&gt;&lt;tr&gt;&lt;td valign="bottom" width="27%" style="padding-bottom: 2px;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="9" valign="bottom" width="35%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Asset Derivative Instruments&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left; padding-bottom: 2px;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="9" valign="bottom" width="35%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Liability Derivative Instruments&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td valign="bottom" width="27%" style="padding-bottom: 2px;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="4" valign="bottom" width="17%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;March 31,&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left; padding-bottom: 2px;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="4" valign="bottom" width="17%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;December 31,&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left; padding-bottom: 2px;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="4" valign="bottom" width="17%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;March 31,&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left; padding-bottom: 2px;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="4" valign="bottom" width="17%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;December 31,&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td valign="bottom" width="27%" style="padding-bottom: 2px;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="4" valign="bottom" width="17%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;2011&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left; padding-bottom: 2px;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="4" valign="bottom" width="17%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;2010&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left; padding-bottom: 2px;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="4" valign="bottom" width="17%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;2011&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left; padding-bottom: 2px;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="4" valign="bottom" width="17%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;2010&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td align="left" valign="bottom" width="27%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="8%" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; 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display: block; margin-left: 18pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;"&gt;Commodity Derivative Instruments&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" width="8%"&gt;&lt;div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Current Assets&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="7%" style="text-align: right;"&gt;&lt;font style="display: inline; 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font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="white"&gt;&lt;td valign="top" width="27%" style="padding-left: 0pt; margin-left: 9pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline; font-weight: bold;"&gt;(Not Designated as Hedging Instruments)&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td align="left" valign="top" width="1%"&gt;&amp;#160;&lt;/td&gt;&lt;td align="left" valign="top" width="8%"&gt;&lt;div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Noncurrent Assets&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="top" width="1%"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="top" width="1%" style="text-align: left;"&gt;&amp;#160;&lt;/td&gt;&lt;td valign="top" width="7%" style="text-align: right;"&gt;&lt;div&gt;&lt;font style="display: inline; font-family: times new roman; 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font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="8%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="7%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="8%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="7%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="8%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="7%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="white"&gt;&lt;td valign="top" width="27%" style="border-bottom: black 2px solid; text-align: left; text-indent: 0pt; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;div style="text-align: left; text-indent: -9pt; display: block; margin-left: 9pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt; font-weight: bold;"&gt;&lt;font style="display: inline;"&gt;Interest Rate Derivative Instruments (Designated as Hedging Instruments)&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" width="8%" style="border-bottom: black 2px solid;"&gt;&lt;div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Current Assets&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="7%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;-&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" width="8%" style="border-bottom: black 2px solid;"&gt;&lt;div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Current Assets&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="7%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;-&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" width="8%" style="border-bottom: black 2px solid;"&gt;&lt;div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Current Liabilities&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="7%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;-&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" width="8%" style="border-bottom: black 2px solid;"&gt;&lt;div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Current Liabilities&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="7%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;63&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="#cceeff"&gt;&lt;td align="left" valign="bottom" width="27%" style="border-bottom: black 2px solid;"&gt;&lt;div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Total&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" width="8%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="7%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;2&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" width="8%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="7%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;62&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" width="8%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="7%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;319&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td align="left" valign="bottom" width="8%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="7%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;138&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;br /&gt;&lt;/div&gt;&lt;/div&gt;</NonNumbericText><NonNumericTextHeader>Fair Value Amounts and Gains and Losses on Derivative Instruments&amp;#160;&amp;#160;&amp;#160;The fair values of derivative instruments in our consolidated balance sheets</NonNumericTextHeader><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat><hasSegments>false</hasSegments><hasScenarios>false</hasScenarios></Cell></Cells><OriginalInstanceReportColumns /><Unit>Other</Unit><ElementDataType>us-types:textBlockItemType</ElementDataType><SimpleDataType>string</SimpleDataType><ElementDefenition>This element can be used as an alternative for disclosing the entity's tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position as a single block of text.</ElementDefenition><ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 133
 -Paragraph 205G

Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 133
 -Paragraph 44C
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display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: Times New Roman; font-size: 10pt;"&gt;The effect of derivative instruments on our consolidated statements of operations was as follows:&lt;/font&gt;&lt;/div&gt;&lt;div style="text-indent: 0pt; display: block;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: Times New Roman; font-size: 10pt; font-weight: bold;"&gt;Commodity Derivative Instruments Not Designated as Hedging Instruments&lt;/font&gt;&lt;/div&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: Times New Roman; font-size: 10pt;"&gt;Amount of (Gain) Loss on Derivative Instruments Recognized in Income&lt;/font&gt;&lt;/div&gt;&lt;div style="text-indent: 0pt; display: block;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div&gt;&lt;table cellpadding="0" cellspacing="0" width="100%" style="font-family: times new roman; font-size: 10pt;"&gt;&lt;tr&gt;&lt;td align="left" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="6" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Three Months Ended March 31,&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td align="left" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;2011&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;2010&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="white"&gt;&lt;td align="left" valign="bottom"&gt;&lt;div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="font-style: italic; display: inline; font-family: times new roman; font-size: 10pt;"&gt;(millions)&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="#cceeff"&gt;&lt;td align="left" valign="bottom" width="76%"&gt;&lt;div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Realized Mark-to-Market (Gain) Loss&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;(17&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;)&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;2&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="white"&gt;&lt;td align="left" valign="bottom" width="76%" style="border-bottom: black 2px solid;"&gt;&lt;div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Unrealized Mark-to-Market (Gain) Loss&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;303&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;(147&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;)&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="#cceeff"&gt;&lt;td align="left" valign="bottom" width="76%" style="border-bottom: black 2px solid;"&gt;&lt;div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Total (Gain) Loss on Commodity Derivative Instruments&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;286&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;(145&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;)&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-indent: 0pt; display: block;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: Times New Roman; font-size: 10pt; font-weight: bold;"&gt;Derivative Instruments in Cash Flow Hedging Relationships&lt;/font&gt;&lt;/div&gt;&lt;div style="text-indent: 0pt; display: block;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div&gt;&lt;table cellpadding="0" cellspacing="0" width="100%" style="font-family: times new roman; font-size: 10pt;"&gt;&lt;tr&gt;&lt;td valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;&lt;td colspan="7" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Amount of (Gain) Loss on Derivative Instruments Recognized in Other Comprehensive (Income) Loss&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="6" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Amount of (Gain) Loss on Derivative Instruments Reclassified from Accumulated Other&amp;#160; &lt;/font&gt;&lt;/font&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Comprehensive Loss&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="14" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Three Months Ended March 31,&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td align="left" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160; &lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;2011&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;2010&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;2011&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom" style="border-bottom: black 2px solid;"&gt;&lt;div align="center" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;2010&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="white"&gt;&lt;td align="left" colspan="4" valign="bottom"&gt;&lt;div align="left" style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="font-style: italic; display: inline; font-family: times new roman; font-size: 10pt;"&gt;(millions)&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left;"&gt;&lt;font style="font-style: italic; display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="#cceeff"&gt;&lt;td align="left" valign="bottom"&gt;&lt;div align="left" style="text-indent: -9pt; display: block; margin-left: 9pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Commodity Derivative Instruments in Previously Designated Cash Flow Hedging Relationships&amp;#160;&lt;font style="display: inline; font-size: 70%; vertical-align: text-top;"&gt;(1)&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td colspan="2" valign="bottom"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="white"&gt;&lt;td align="left" valign="bottom" width="52%"&gt;&lt;div align="left" style="text-indent: -9pt; display: block; margin-left: 18pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Crude Oil Derivative Instruments&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;5&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="#cceeff"&gt;&lt;td align="left" valign="bottom" width="52%"&gt;&lt;div align="left" style="text-indent: -9pt; display: block; margin-left: 18pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Natural Gas Derivative Instruments&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;-&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; 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display: block; margin-left: 9pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Interest Rate Derivative Instruments in Cash Flow Hedging Relationships&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;(23&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;)&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;11&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;-&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;-&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr bgcolor="white"&gt;&lt;td align="left" valign="bottom" width="52%" style="border-bottom: black 2px solid;"&gt;&lt;div align="left" style="text-indent: -9pt; display: block; margin-left: 9pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;Total&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;(23&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;)&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;11&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;-&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;6&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-indent: 0pt; display: block;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div&gt;&lt;table align="center" border="0" cellpadding="0" cellspacing="0" width="100%" style="font-family: times new roman; font-size: 10pt;"&gt;&lt;tr valign="top"&gt;&lt;td style="width: 18pt;"&gt;&lt;div style="text-indent: 0pt; margin-left: 0pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: Times New Roman; font-size: 10pt;"&gt;&lt;font style="display: inline; font-size: 70%; vertical-align: text-top;"&gt;(1)&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&lt;div align="left"&gt;&lt;font style="display: inline; font-family: Times New Roman; font-size: 10pt;"&gt;Includes effect of commodity derivative instruments previously accounted for as cash flow hedges. All net derivative gains and losses that were deferred in AOCL as of January 1, 2008, as a result of previous cash flow hedge accounting, had been reclassified to earnings by December 31, 2010.&lt;/font&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-indent: 0pt; display: block;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;/div&gt;</NonNumbericText><NonNumericTextHeader>The effect of derivative instruments on our consolidated statements of operations was as follows:Commodity Derivative Instruments Not Designated as Hedging</NonNumericTextHeader><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat><hasSegments>false</hasSegments><hasScenarios>false</hasScenarios></Cell></Cells><OriginalInstanceReportColumns /><Unit>Other</Unit><ElementDataType>us-types:textBlockItemType</ElementDataType><SimpleDataType>string</SimpleDataType><ElementDefenition>Schedule of the location and amount of gains and losses reported in the statement of financial performance (or when applicable, the statement of financial position, for example, gains and losses initially recognized in other comprehensive income) on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges.</ElementDefenition><ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 133
 -Paragraph 205G

Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 133
 -Paragraph 44C
 -Subparagraph b

</ElementReferences><IsTotalLabel>false</IsTotalLabel><IsEPS>false</IsEPS><Label>Effect of derivative instruments on consolidated statement of operations</Label></Row></Rows><Footnotes /><NumberOfCols>1</NumberOfCols><NumberOfRows>4</NumberOfRows><ReportName>Derivative Instruments and Hedging Activities (Tables)</ReportName><MonetaryRoundingLevel>UnKnown</MonetaryRoundingLevel><SharesRoundingLevel>UnKnown</SharesRoundingLevel><PerShareRoundingLevel>UnKnown</PerShareRoundingLevel><ExchangeRateRoundingLevel>UnKnown</ExchangeRateRoundingLevel><HasCustomUnits>false</HasCustomUnits><SharesShouldBeRounded>true</SharesShouldBeRounded></InstanceReport>
