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USD ($)

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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; font-weight: bold;"&gt;Note 6.&amp;#160;&amp;#160;Capitalized Exploratory Well Costs&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" 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;Changes in capitalized exploratory well costs are as follows and exclude amounts that were capitalized and subsequently expensed in the same period:&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="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;Three Months Ended March&amp;#160;31, 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;/tr&gt;&lt;tr bgcolor="white"&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="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;/tr&gt;&lt;tr bgcolor="#cceeff"&gt;&lt;td align="left" valign="bottom" width="88%"&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;Capitalized Exploratory Well Costs, Beginning of Period&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;426&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="88%"&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;Additions to Capitalized Exploratory Well Costs Pending Determination of Proved Reserves&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;80&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="88%"&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;Reclassified to Proved Oil and Gas Properties Based on Determination of Proved Reserves&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;(18&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;/tr&gt;&lt;tr bgcolor="white"&gt;&lt;td align="left" valign="bottom" width="88%" 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;Capitalized Exploratory Well Costs Charged to Expense&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;(15&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="88%" 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;Capitalized Exploratory Well Costs, End of Period&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;473&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 $13 million related to the Flyndre project in the North Sea.&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;The following table provides an aging of capitalized exploratory well costs (suspended well costs) based on the date the drilling was completed and the number of projects for which exploratory well costs have been capitalized for a period greater than one year since the completion of drilling:&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 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;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;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 colspan="2" valign="bottom" style="border-bottom: black 2px solid; 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;&lt;font style="display: inline;"&gt;December&amp;#160;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: -9pt; display: block; margin-left: 9pt; 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 align="left" 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 align="left" 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: -9pt; display: block; margin-left: 9pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Exploratory Well Costs Capitalized for a Period of One Year or Less&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;171&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;148&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: -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;Exploratory Well Costs Capitalized for a Period Greater Than One Year After Completion of Drilling&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;302&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;278&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="76%" 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;Balance at End of Period&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;473&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;426&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="76%" 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;Number of Projects with Exploratory Well Costs That Have Been Capitalized for a Period Greater Than One Year After Completion of Drilling&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;8&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;9&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 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;The following table provides a further aging of those exploratory well costs that have been capitalized for a period greater than one year since the completion of drilling as of March 31, 2011:&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="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="14" valign="bottom" style="border-bottom: black 2px solid; text-align: center;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Suspended Since&lt;/font&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;Total&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;2009&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;2008 &amp;amp; Prior&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: -9pt; display: block; margin-left: 9pt; 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;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"&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; font-weight: bold;"&gt;Project&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="#cceeff"&gt;&lt;td align="left" valign="bottom" width="52%"&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;Blocks O and I (West Africa)&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;102&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;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;3&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&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;14&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; 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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;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 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;3&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="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 Exploratory Well Costs Capitalized for a Period Greater Than One Year After Completion of Drilling&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;302&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;$&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="9%" style="border-bottom: black 2px solid; text-align: right;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;36&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;&lt;td nowrap="nowrap" valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;&lt;td valign="bottom" width="1%" style="border-bottom: black 2px solid; text-align: left;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&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;58&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;208&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="font-style: italic; display: inline;"&gt;Blocks O and I (West Africa)&amp;#160;&amp;#160;&amp;#160;&lt;/font&gt;Blocks O and I are crude oil, natural gas and natural gas condensate discoveries located offshore Equatorial Guinea.&amp;#160;&amp;#160;&amp;#160;We are evaluating future crude oil and natural gas projects and are currently appraising the Diega/Carmen area, offshore Equatorial Guinea.&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" 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;YoYo &lt;font style="font-style: italic; display: inline;"&gt;(West Africa)&lt;/font&gt;&amp;#160;&amp;#160;&amp;#160;The YoYo mining concession is a 2007 natural gas and condensate discovery located offshore Cameroon.&amp;#160;&amp;#160;We recently completed a 3-D seismic acquisition, and results are being processed for further drilling potential.&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" 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;Dalit (Israel)&lt;/font&gt;&amp;#160;&amp;#160;&amp;#160;Dalit is a 2009 natural gas discovery located offshore Israel. &lt;font style="display: inline;"&gt;We are currently working with our partners on a cost-effective development plan.&lt;/font&gt;&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" 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;Deep Blue (Deepwater Gulf of Mexico)&amp;#160;&amp;#160;&lt;/font&gt;Deep Blue (Green Canyon Block 723) was a significant test well, which began drilling during 2009.&amp;#160;&amp;#160;When the Deepwater Gulf of Mexico moratorium was announced in May 2010, we were required to suspend sidetrack drilling activities.&amp;#160;&amp;#160;Once a drilling permit is approved, we plan to resume exploration activities.&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" 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;Gunflint (Deepwater Gulf of Mexico)&lt;/font&gt;&amp;#160;&amp;#160;&amp;#160;Gunflint (Mississippi Canyon Block 948) is a 2008 crude oil discovery. Our plans&lt;font style="display: inline;"&gt; to drill one or two appraisal wells in 2010 were delayed by the Deepwater Gulf of Mexico moratorium. &lt;/font&gt;Once a drilling permit is approved, we plan to drill one or two appraisal wells. &lt;font style="display: inline;"&gt;We are also reviewing host platform options.&lt;/font&gt;&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" 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;Redrock (Deepwater Gulf of Mexico) &lt;/font&gt;&amp;#160;&amp;#160;Redrock (Mississippi Canyon Block 204) was a 2006 natural gas/condensate discovery and is currently considered a co-development candidate with Raton South (Mississippi Canyon Block 292). We are in the process of tying back Raton South to a host platform at Viosca Knoll Block 900.&amp;#160;&amp;#160;We plan to tie back Redrock after Raton South commences production, which is currently expected to occur by the end of 2011.&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" 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;Selkirk (North Sea)&lt;/font&gt;&amp;#160;&amp;#160;&amp;#160;The Selkirk project is located in the UK sector of the North Sea. Capitalized costs to date primarily consist of the cost of drilling an exploratory well. We are currently working with our partners on a cost-effective development plan, including selection of a host facility.&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;/div&gt;</NonNumbericText><NonNumericTextHeader>Note 6.&amp;#160;&amp;#160;Capitalized Exploratory Well CostsChanges in capitalized exploratory well costs are as follows and exclude amounts that were capitalized and</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 text block may contain a table of aggregate capitalized costs relating to an enterprise's oil and gas producing activities and the aggregate related accumulated depreciation, depletion, amortization, and valuation allowances presented in a table or other format.</ElementDefenition><ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 19
 -Paragraph 59M

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