2.4.0.83060 - Disclosure - Asset Retirement Obligations (Tables)truefalsefalse1false falsefalseD2013http://www.sec.gov/CIK0001006655duration2012-07-01T00:00:002013-06-30T00:00:001true 1us-gaap_AssetRetirementObligationDisclosureAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Asset Retirement Obligations2false 2us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div style="font-size:10.0pt;font-family:Times New Roman;"> <table style="text-align:left;TEXT-ALIGN: left; WIDTH: 908px;" border="0" cellspacing="0" cellpadding="0" width="908"> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="bottom"> <th style="FONT-FAMILY: times;" align="left"></th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="5" align="center">Year Ended</th> <th style="FONT-FAMILY: times;"> </th></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="bottom"> <th style="FONT-FAMILY: times;" align="left">  </th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="2" align="center">2013</th> <th style="FONT-FAMILY: times;"> </th> <th style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" colspan="2" align="center">2012</th> <th style="FONT-FAMILY: times;"> </th></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="top" bgcolor="#CCEEFF"> <td style="FONT-FAMILY: times;" valign="bottom"> Asset retirement obligations—beginning of period</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">968,677</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">859,586</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="top" bgcolor="white"> <td style="FONT-FAMILY: times;" valign="bottom"> Liabilities incurred</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">60,143</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">175,943</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="top" bgcolor="#CCEEFF"> <td style="FONT-FAMILY: times;" valign="bottom"> Liabilities settled</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">(51,086</td> <td style="FONT-FAMILY: times;" valign="bottom">)</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">(61,936</td> <td style="FONT-FAMILY: times;" valign="bottom">)</td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="top" bgcolor="white"> <td style="FONT-FAMILY: times;" valign="bottom"> Liabilities sold</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">(439,927</td> <td style="FONT-FAMILY: times;" valign="bottom">)</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">—</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="top" bgcolor="#CCEEFF"> <td style="FONT-FAMILY: times;" valign="bottom"> Accretion</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">72,312</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">77,505</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="top" bgcolor="white"> <td style="FONT-FAMILY: times;" valign="bottom"> Revisions to previous estimates</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">5,432</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">(82,421</td> <td style="FONT-FAMILY: times;" valign="bottom">)</td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-SIZE: 1.5pt; PADDING-TOP: 0px;" valign="top"> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 1pt solid; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; PADDING-TOP: 0px;" valign="top" bgcolor="#CCEEFF"> <td style="FONT-FAMILY: times;" valign="bottom"> Asset retirement obligations—end of period</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">615,551</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">$</td> <td style="FONT-FAMILY: times;" valign="bottom" align="right">968,677</td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr> <tr style="padding:0;PADDING-BOTTOM: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; FONT-SIZE: 1.5pt; PADDING-TOP: 0px;" valign="top"> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 2.25pt double; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td> <td style="BORDER-BOTTOM: #000000 2.25pt double; FONT-FAMILY: times;" valign="bottom" colspan="2" align="right"> </td> <td style="FONT-FAMILY: times;" valign="bottom"> </td></tr></table> </div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859 false0Schedule of reconciliation of the beginning and ending asset retirement obligationfalseAsset Retirement Obligations (Tables)UnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.evolutionpetroleum.com/role/DisclosureAssetRetirementObligationsTables12