<?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>015 - Disclosure - Accounts Payable and Accrued Liabilities</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_PayablesAndAccrualsAbstract</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>Accounts Payable and Accrued Liabilities [Abstract]</Label></Row><Row FlagID="0"><Id>2</Id><IsAbstractGroupTitle>false</IsAbstractGroupTitle><LabelSeparator>

</LabelSeparator><Level>2</Level><ElementName>us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock</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 align="justify" style="line-height: 11.4pt; 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 9 &amp;#8211; Accounts Payable and Accrued Liabilities&lt;/font&gt;&lt;/font&gt;&lt;/div&gt;
&lt;div style="line-height: 11.4pt; text-indent: 0pt; display: block;"&gt;&amp;#160;&lt;/div&gt;
&lt;div align="justify" style="line-height: 11.4pt; 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;Accounts payable and accrued liabilities at June 30, 2013 and December 31, 2012 consist of the following:&lt;/font&gt;&lt;/div&gt;
&lt;div style="line-height: 11.4pt; text-indent: 0pt; display: block;"&gt;&amp;#160;&lt;/div&gt;
&lt;div align="left"&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="border-top: black 2px solid;" 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-top: black 2px solid;" 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-top: black 2px solid;" 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; border-top: black 2px solid;" 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="border-top: black 2px solid;" 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-top: black 2px solid;" 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; border-top: black 2px solid;" 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="border-bottom: black 2px solid;" valign="bottom"&gt;
&lt;div align="justify" style="line-height: 11.4pt; text-indent: 0pt; display: block; margin-left: 9pt; 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 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="line-height: 11.4pt; 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;June 30,&lt;/font&gt;&lt;/div&gt;
&lt;div align="center" style="line-height: 11.4pt; 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;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="line-height: 11.4pt; 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;December 31, 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;font 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 bgcolor="#cceeff"&gt;
&lt;td valign="bottom" width="70%"&gt;
&lt;div align="justify" style="line-height: 11.4pt; text-indent: 0pt; display: block; margin-left: 9pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Accounts payable&lt;/font&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td align="right" 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;$&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: right;" valign="bottom" width="12%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;3,112&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" width="1%" nowrap="nowrap"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td align="right" valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left;" valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: right;" valign="bottom" width="12%"&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;&lt;font style="margin-left: 12pt;" &gt;&lt;/font&gt;790&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="70%"&gt;
&lt;div align="justify" style="line-height: 11.4pt; text-indent: 0pt; display: block; margin-left: 9pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Oil and gas revenue payable to oil
 and gas property owners&lt;/font&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td align="right" 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="12%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;1,768&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 align="right" 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="12%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="margin-left: 16.85pt;" &gt;&lt;/font&gt;1,886&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="70%"&gt;
&lt;div align="justify" style="line-height: 11.4pt; text-indent: 0pt; display: block; margin-left: 9pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Production taxes payable&lt;/font&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td align="right" 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="12%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;149&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 align="right" 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="12%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="margin-left: 26.85pt;" &gt;&lt;/font&gt;123&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="70%"&gt;
&lt;div align="justify" style="line-height: 11.4pt; text-indent: 0pt; display: block; margin-left: 9pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Drilling advances received from joint venture partner&lt;/font&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td align="right" 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="12%"&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: 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 align="right" 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="12%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="margin-left: 26.85pt;" &gt;&lt;/font&gt;537&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="70%"&gt;
&lt;div align="justify" style="line-height: 11.4pt; text-indent: 0pt; display: block; margin-left: 9pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Accrued drilling costs&lt;/font&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td align="right" 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="12%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;289&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 align="right" 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="12%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="margin-left: 33.5pt;" &gt;&lt;/font&gt;75&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="70%"&gt;
&lt;div align="justify" style="line-height: 11.4pt; text-indent: 0pt; display: block; margin-left: 9pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Accrued lease operating costs&lt;/font&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td align="right" 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="12%"&gt;&lt;font style="display: inline; font-family: times new
 roman; font-size: 10pt;"&gt;34&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 align="right" 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="12%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="margin-left: 33.5pt;" &gt;&lt;/font&gt;61&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="70%"&gt;
&lt;div align="justify" style="line-height: 11.4pt; text-indent: 0pt; display: block; margin-left: 9pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Accrued ad valorem taxes&lt;/font&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td align="right" 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="12%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;844&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 align="right" 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="12%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="margin-left: 26.85pt;" &gt;&lt;/font&gt;596&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="70%"&gt;
&lt;div align="justify" style="line-height: 11.4pt; text-indent: 0pt; display: block; margin-left: 9pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Accrued general and administrative expenses&lt;/font&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td align="right" 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="12%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;566&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 align="right" 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="12%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="margin-left: 16.85pt;" &gt;&lt;/font&gt;1,083&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="padding-bottom: 2px;" valign="bottom" width="70%"&gt;
&lt;div align="justify" style="line-height: 11.4pt; text-indent: 0pt; display: block; margin-left: 9pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Other accrued liabilities&lt;/font&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td align="right" style="padding-bottom: 2px;" 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 2px solid; 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="border-bottom: black 2px solid; text-align: right;" valign="bottom" width="12%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;227&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left; padding-bottom: 2px;" 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 align="right" style="padding-bottom: 2px;" 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 2px solid; 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="border-bottom: black 2px solid; text-align: right;" valign="bottom" width="12%"&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;&lt;font style="display: inline;"&gt;&amp;#160;253&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left; padding-bottom: 2px;" 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="70%"&gt;&lt;font style="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="12%"&gt;&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="12%"&gt;&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 style="padding-bottom: 4px;" valign="bottom" width="70%"&gt;
&lt;div align="justify" style="line-height: 11.4pt; text-indent: 0pt; display: block; margin-left: 9pt; margin-right: 0pt;"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;Total accounts payable and accrued liabilities&lt;/font&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td align="right" 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;$&lt;/font&gt;&lt;/td&gt;
&lt;td style="border-bottom: black 4px double; text-align: right;" valign="bottom" width="12%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;6,989&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left; padding-bottom: 4px;" valign="bottom" width="1%" nowrap="nowrap"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="padding-bottom: 4px;" valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&amp;#160;&lt;/font&gt;&lt;/td&gt;
&lt;td style="border-bottom: black 4px double; text-align: left;" valign="bottom" width="1%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;$&lt;/font&gt;&lt;/td&gt;
&lt;td style="border-bottom: black 4px double; text-align: right;" valign="bottom" width="12%"&gt;&lt;font style="display: inline; font-family: times new roman; font-size: 10pt;"&gt;&lt;font style="display: inline;"&gt;5,404&lt;/font&gt;&lt;/font&gt;&lt;/td&gt;
&lt;td style="text-align: left; padding-bottom: 4px;" 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="border-bottom: black 2px solid;" valign="bottom" width="70%"&gt;&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" 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 2px solid; 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="border-bottom: black 2px solid; text-align: right;" valign="bottom" width="12%"&gt;&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; 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 style="border-bottom: black 2px solid;" 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 2px solid; 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="border-bottom: black 2px solid; text-align: right;" valign="bottom" width="12%"&gt;&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; 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;/table&gt;
&lt;/div&gt;</NonNumbericText><FootnoteIndexer /><CurrencyCode /><CurrencySymbol /><IsIndependantCurrency>false</IsIndependantCurrency><ShowCurrencySymbol>false</ShowCurrencySymbol><DisplayDateInUSFormat>false</DisplayDateInUSFormat></Cell></Cells><ElementDataType>nonnum:textBlockItemType</ElementDataType><SimpleDataType>na</SimpleDataType><ElementDefenition>The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period.</ElementDefenition><ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef

 -Publisher SEC

 -Name Regulation S-X (SX)

 -Number 210

 -Section 02

 -Paragraph 19

 -Subparagraph a

 -Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

 -Publisher FASB

 -Name Accounting Standards Codification

 -Topic 210

 -SubTopic 10

 -Section S99

 -Paragraph 1

 -Subparagraph (SX 210.5-02.19(a),20,24)

 -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682



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

 -Publisher SEC

 -Name Regulation S-X (SX)

 -Number 210

 -Section 02

 -Paragraph 20, 24

 -Article 5



</ElementReferences><IsTotalLabel>false</IsTotalLabel><UnitID>0</UnitID><Label>Accounts Payable and Accrued Liabilities</Label></Row></Rows><Footnotes /><IsEquityReport>false</IsEquityReport><ReportName>Accounts Payable and Accrued Liabilities</ReportName><MonetaryRoundingLevel>UnKnown</MonetaryRoundingLevel><SharesRoundingLevel>UnKnown</SharesRoundingLevel><PerShareRoundingLevel>UnKnown</PerShareRoundingLevel><ExchangeRateRoundingLevel>UnKnown</ExchangeRateRoundingLevel><HasCustomUnits>true</HasCustomUnits><IsEmbedReport>false</IsEmbedReport><IsMultiCurrency>false</IsMultiCurrency><ReportType>Sheet</ReportType><RoleURI>http://www.cng.com/role/DisclosureAccountsPayableAndAccruedLiabilities</RoleURI><NumberOfCols>1</NumberOfCols><NumberOfRows>2</NumberOfRows></InstanceReport>
