<?xml version="1.0" encoding="us-ascii"?><InstanceReport xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><Version>2.4.0.8</Version><ReportLongName>020 - Disclosure - Supplemental Cash Flow Disclosure</ReportLongName><DisplayLabelColumn>true</DisplayLabelColumn><ShowElementNames>false</ShowElementNames><RoundingOption /><HasEmbeddedReports>false</HasEmbeddedReports><Columns><Column FlagID="0"><Id>1</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><CurrencyCode /><FootnoteIndexer /><hasSegments>false</hasSegments><hasScenarios>false</hasScenarios><MCU><KeyName /><CurrencySymbol /><contextRef><ContextID>Context_6ME__30-Jun-2013</ContextID><EntitySchema>http://www.sec.gov/CIK</EntitySchema><EntityValue>0000086264</EntityValue><PeriodDisplayName /><PeriodType>duration</PeriodType><PeriodStartDate>2013-01-01T00:00:00</PeriodStartDate><PeriodEndDate>2013-06-30T00:00:00</PeriodEndDate><Segments /><Scenarios /></contextRef><UPS /><CurrencyCode /><OriginalCurrencyCode /></MCU><CurrencySymbol /><Labels><Label Key="CalendarSupplement" Id="0" Label="6 Months Ended" /><Label Key="Calendar" Id="1" Label="Jun. 30, 2013" /></Labels></Column></Columns><Rows><Row FlagID="0"><Id>1</Id><IsAbstractGroupTitle>true</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>1</Level><ElementName>us-gaap_SupplementalCashFlowElementsAbstract</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText /><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>xbrli:stringItemType</ElementDataType><SimpleDataType>string</SimpleDataType><IsTotalLabel>false</IsTotalLabel><UnitID>0</UnitID><Label>Supplemental Cash Flow Disclosure [Abstract]</Label></Row><Row FlagID="0"><Id>2</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>2</Level><ElementName>us-gaap_CashFlowSupplementalDisclosuresTextBlock</ElementName><ElementPrefix>us-gaap_</ElementPrefix><IsBaseElement>true</IsBaseElement><BalanceType>na</BalanceType><PeriodType>duration</PeriodType><IsReportTitle>false</IsReportTitle><IsSegmentTitle>false</IsSegmentTitle><IsCalendarTitle>false</IsCalendarTitle><IsEquityPrevioslyReportedAsRow>false</IsEquityPrevioslyReportedAsRow><IsEquityAdjustmentRow>false</IsEquityAdjustmentRow><IsBeginningBalance>false</IsBeginningBalance><IsEndingBalance>false</IsEndingBalance><IsReverseSign>false</IsReverseSign><PreferredLabelRole>verboseLabel</PreferredLabelRole><FootnoteIndexer /><Cells><Cell FlagID="0" ContextID="Context_6ME__30-Jun-2013" UnitID=""><Id>1</Id><IsNumeric>false</IsNumeric><IsRatio>false</IsRatio><DisplayZeroAsNone>false</DisplayZeroAsNone><NumericAmount>0</NumericAmount><RoundedNumericAmount>0</RoundedNumericAmount><NonNumbericText>&lt;div style="text-align: justify; 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;&lt;font style="display: inline; text-decoration: underline;"&gt;Note 14 &amp;#8211; Supplemental Cash Flow Disclosure&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;
&lt;div style="text-align: justify; text-indent: 0pt; display: block;"&gt;&amp;#160;&lt;/div&gt;
&lt;div style="text-align: justify; 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;Supplemental cash flow disclosures for the six months ended June 30, 2013 and 2012 are presented below:&lt;/font&gt;&lt;/div&gt;
&lt;div style="text-indent: 0pt; display: block;"&gt;&amp;#160;&lt;/div&gt;
&lt;div align="right"&gt;
&lt;table style="width: 100%; font-family: times new roman; font-size: 10pt;" cellspacing="0" cellpadding="0"&gt;
&lt;tr&gt;
&lt;td style="padding-bottom: 2px;" 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 style="padding-bottom: 2px;" 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 style="border-bottom: black 2px solid;" valign="bottom" colspan="6"&gt;
&lt;div style="text-indent: 0pt; display: block; margin-left: 9pt; margin-right: 0pt;"&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;Six Months Ended June 30,&lt;/font&gt;&lt;/div&gt;
&lt;/div&gt;
&lt;/td&gt;
&lt;td style="text-align: left; padding-bottom: 2px;" valign="bottom" nowrap="nowrap"&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 style="padding-bottom: 2px;" 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 style="padding-bottom: 2px;" 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 style="border-bottom: black 2px solid;" valign="bottom" colspan="2"&gt;
&lt;div style="text-indent: 0pt; display: block; margin-left: 9pt; margin-right: 0pt;"&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;/div&gt;
&lt;/td&gt;
&lt;td style="text-align: left; padding-bottom: 2px;" valign="bottom" nowrap="nowrap"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="padding-bottom: 2px;" 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 style="border-bottom: black 2px solid;" valign="bottom" colspan="2"&gt;
&lt;div style="text-indent: 0pt; display: block; margin-left: 9pt; margin-right: 0pt;"&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;/div&gt;
&lt;/td&gt;
&lt;td style="text-align: left; padding-bottom: 2px;" valign="bottom" nowrap="nowrap"&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"&gt;
&lt;div align="justify" style="text-indent: 0pt; display: block; margin-left: 18pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;(in thousands)&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 valign="bottom" colspan="2"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" nowrap="nowrap"&gt;&lt;font 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 valign="bottom" colspan="2"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" nowrap="nowrap"&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"&gt;&lt;font 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 valign="bottom" colspan="2"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" nowrap="nowrap"&gt;&lt;font 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 valign="bottom" colspan="2"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" nowrap="nowrap"&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"&gt;
&lt;div align="justify" style="text-indent: 0pt; display: block; margin-left: 18pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Cash paid during the period for:&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 valign="bottom" colspan="2"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" nowrap="nowrap"&gt;&lt;font 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 valign="bottom" colspan="2"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" nowrap="nowrap"&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="76%"&gt;
&lt;div align="justify" style="text-indent: 18pt; display: block; margin-left: 18pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Interest payments&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 style="text-align: left;" valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: right;" valign="bottom" width="9%"&gt;&lt;font
 style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="margin-left: 4.3pt;" &gt;&lt;/font&gt;277&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: right;" valign="bottom" width="9%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="margin-left: 4.3pt;" &gt;&lt;/font&gt;384&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"&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="76%"&gt;&lt;font style="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 style="text-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 style="text-align: right;" valign="bottom" width="9%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"&gt;&lt;font style="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 style="text-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 style="text-align: right;" valign="bottom" width="9%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"&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="76%"&gt;
&lt;div align="justify" style="text-indent: 0pt; display: block; margin-left: 18pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Non-cash transactions:&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 style="text-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 style="text-align: right;" valign="bottom" width="9%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"&gt;&lt;font style="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 style="text-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 style="text-align: right;" valign="bottom" width="9%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"&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 style="text-align: left; text-indent: 0pt; padding-left: 0pt; margin-left: 9pt; margin-right: 0pt;" valign="bottom" width="76%"&gt;
&lt;div style="text-align: left; text-indent: 0pt; display: block; margin-left: 18pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Increase in net asset retirement obligations&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 style="text-align: left;" valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: right;" valign="bottom" width="9%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="margin-left: 4.3pt;" &gt;&lt;/font&gt;151&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: right;" valign="bottom" width="9%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="margin-left: 4.3pt;" &gt;&lt;/font&gt;10&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"&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 style="text-align: left; text-indent: 0pt; padding-left: 0pt; margin-left: 9pt; margin-right: 0pt;" valign="bottom" width="76%"&gt;
&lt;div style="text-align: left; text-indent: 0pt; display: block; margin-left: 18pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&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 style="text-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 style="text-align: right;" valign="bottom" width="9%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"&gt;&lt;font style="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 style="text-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 style="text-align: right;" valign="bottom" width="9%"&gt;&lt;font style="display: inline; font-family: times new
 roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"&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 style="text-align: left; padding-bottom: 4px; text-indent: 0pt; margin-left: 0pt; margin-right: 0pt;" valign="bottom" width="76%"&gt;
&lt;div style="text-align: left; text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt;"&gt;
&lt;div style="text-align: left; text-indent: 0pt; display: block; margin-left: 18pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Increase (decrease) in accounts payable and accrued liabilities&lt;/font&gt;&amp;#160;included in oil and gas properties&lt;/font&gt;&lt;/div&gt;
&lt;/div&gt;
&lt;/td&gt;
&lt;td style="padding-bottom: 4px;" 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 style="border-bottom: black 4px double; text-align: left;" valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;
&lt;td style="border-bottom: black 4px double; text-align: right;" valign="bottom" width="9%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="margin-left: 4.3pt;" &gt;&lt;/font&gt;529&lt;/font&gt;&lt;/td&gt;
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&lt;td style="border-bottom: black 4px double; text-align: left;" valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;
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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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