2.4.0.80017 - Disclosure - Fair Value Measurementstruefalsefalse1false falsefalseFrom2013-01-01to2013-06-30http://www.sec.gov/CIK0001373485duration2013-01-01T00:00:002013-06-30T00:00:001true 1us-gaap_FairValueDisclosuresAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Fair Value Disclosures [Abstract]2false 2us-gaap_FairValueDisclosuresTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"><div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: bold 10pt Times New Roman">12 – Fair Value Measurements</font></div> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt Times New Roman"> </font></div> <div style="text-indent: 36pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt Times New Roman">Fair value measurements are based upon inputs that market participants use in pricing an asset or liability, which are classified into two categories: observable inputs and unobservable inputs. Observable inputs represent market data obtained from independent sources, whereas unobservable inputs reflect a company’s own market assumptions, which are used if observable inputs are not reasonably available without undue cost and effort. These two types of inputs are further prioritized into the following fair value input hierarchy:</font></div> <div style="text-indent: 0pt; display: block"><br /> </div> <div> <table cellpadding="0" cellspacing="0" style="width: 100%; font: 10pt times new roman; font-size: 10pt; font-family: times new roman"> <tr> <td style="text-align: left; vertical-align: top; width: 4%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: top; width: 8%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0.8pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Level 1 –</font></div> </td> <td style="text-align: left; vertical-align: top; width: 73%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0.8pt; text-align: left"><font style="display: inline; font: 10pt times new roman">quoted prices for identical assets or liabilities in active markets.</font></div> </td> </tr></table> </div> <div style="text-indent: 0pt; display: block"><br /> </div> <div> <table cellpadding="0" cellspacing="0" style="width: 100%; font: 10pt times new roman; font-size: 10pt; font-family: times new roman"> <tr> <td style="text-align: left; vertical-align: top; width: 4%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: top; width: 8%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0.8pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Level 2 –</font></div> </td> <td style="text-align: left; vertical-align: top; width: 73%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0.8pt; text-align: left"><font style="display: inline; font: 10pt times new roman">quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability (e.g. interest rates) and inputs derived principally from or corroborated by observable market data by correlation or other means.</font></div> </td> </tr></table> </div> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt Times New Roman"> </font></div> <div> <table cellpadding="0" cellspacing="0" style="width: 100%; font: 10pt times new roman; font-size: 10pt; font-family: times new roman"> <tr> <td style="text-align: left; vertical-align: top; width: 4%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: top; width: 8%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0.8pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Level 3 –</font></div> </td> <td style="text-align: left; vertical-align: top; width: 73%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0.8pt; text-align: left"><font style="display: inline; font: 10pt times new roman">unobservable inputs for the asset or liability.</font></div> </td> </tr></table> </div> <div style="text-indent: 36pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt Times New Roman"> </font></div> <div style="text-indent: 36pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt Times New Roman">The fair value input hierarchy level to which an asset or liability measurement in its entirety falls is determined based on the lowest level input that is significant to the measurement in its entirety.</font></div> <div style="text-indent: 0pt; display: block"><br /> </div> <div style="text-indent: 36pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt Times New Roman">The following tables summarize the valuation of the Company’s financial assets and liabilities at June 30, 2013 and December 31, 2012:<a name="FIS_UNIDENTIFIED_TABLE_11"></a></font></div> <div style="text-indent: 0pt; display: block"><br /> </div> <div style="text-align: left"> <table cellpadding="0" cellspacing="0" style="width: 100%; font: 10pt times new roman; font-size: 10pt; font-family: times new roman"> <tr> <td style="text-align: left; vertical-align: bottom; width: 42%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td colspan="13" style="vertical-align: bottom; width: 45%; border-bottom: black 2px solid; text-align: center"><font style="display: inline; font: bold 10pt times new roman"> <font style="display: inline; font: bold 10pt times new roman">Fair Value Measurements at Reporting Date Using</font></font></td> <td style="vertical-align: bottom; width: 1%; padding-bottom: 2px"> </td> </tr><tr> <td style="vertical-align: bottom; width: 42%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td colspan="2" style="vertical-align: bottom; width: 10%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"><font style="display: inline; font: bold 10pt times new roman">Quoted Prices in Active Markets for Identical Assets or Liabilities</font></div> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"><font style="display: inline; font: bold 10pt times new roman"> (Level 1)</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td colspan="2" style="vertical-align: bottom; width: 10%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"><font style="display: inline; font: bold 10pt times new roman">Significant or Other Observable Inputs</font></div> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"><font style="display: inline; font: bold 10pt times new roman">(Level 2)</font></div> </td> <td style="vertical-align: bottom; width: 1%; padding-bottom: 2px"> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td colspan="2" style="vertical-align: bottom; width: 10%; border-bottom: black 2px solid">  <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"><font style="display: inline; font: bold 10pt times new roman">Significant <br /> Unobservable Inputs</font></div> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"><font style="display: inline; font: bold 10pt times new roman">(Level 3)</font></div> </td> <td style="vertical-align: bottom; width: 1%; padding-bottom: 2px"> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td colspan="2" style="vertical-align: bottom; width: 10%; border-bottom: black 2px solid">  <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"><font style="display: inline; font: bold 10pt times new roman">Fair Value at </font></div> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"><font style="display: inline; font: bold 10pt times new roman">June 30, 2013</font></div> </td> <td style="vertical-align: bottom; width: 1%; padding-bottom: 2px"> </td> </tr><tr style="background-color: #cceeff"> <td style="text-align: left; vertical-align: bottom; width: 42%"> <div style="text-indent: -18pt; display: block; margin-left: 18pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Assets:</font></div> </td> <td style="text-align: left; vertical-align: bottom; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: right; vertical-align: bottom; width: 9%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">  </font></div> </td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: right; vertical-align: middle; width: 9%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">  </font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: right; vertical-align: middle; width: 9%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">  </font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: right; vertical-align: middle; width: 9%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">  </font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> </tr><tr style="background-color: white"> <td style="text-align: left; vertical-align: bottom; width: 42%; padding-bottom: 2px"> <div style="text-indent: -18pt; display: block; margin-left: 27pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Commodities derivatives</font></div> </td> <td style="text-align: left; vertical-align: bottom; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: bottom; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">155,744</font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">155,744</font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> </tr><tr style="background-color: #cceeff"> <td style="text-align: left; vertical-align: bottom; width: 42%; padding-bottom: 2px"> <div style="text-indent: -18pt; display: block; margin-left: 18pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Total</font></div> </td> <td style="text-align: left; vertical-align: bottom; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: bottom; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">155,744</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">155,744</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> </tr><tr style="background-color: white"> <td style="text-align: left; vertical-align: bottom; width: 42%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block"><font style="display: inline; font: 10pt times new roman">Liabilities</font></div> </td> <td style="vertical-align: bottom; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: bottom; width: 9%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 9%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 9%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 9%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> </tr><tr style="background-color: #cceeff"> <td style="text-align: left; vertical-align: bottom; width: 42%; padding-bottom: 2px"> <div style="text-indent: -18pt; display: block; margin-left: 27pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Environmental liability</font></div> </td> <td style="text-align: left; vertical-align: bottom; width: 1%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: bottom; width: 9%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">(2,088,158</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">)  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">(2,088,158</font></div> </td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">)  </font></td> </tr><tr style="background-color: white"> <td style="text-align: left; vertical-align: bottom; width: 42%; padding-bottom: 2px"> <div style="text-indent: -18pt; display: block; margin-left: 27pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Asset retirement obligations (non-recurring)</font></div> </td> <td style="text-align: left; vertical-align: bottom; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: bottom; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">(3,399,096</font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">)</font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">(3,399,096</font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">)</font></td> </tr><tr style="background-color: #cceeff"> <td style="text-align: left; vertical-align: bottom; width: 42%"> <div style="text-indent: -18pt; display: block; margin-left: 18pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Total</font></div> </td> <td style="text-align: left; vertical-align: bottom; width: 1%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: bottom; width: 9%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">(5,487,254</font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">)  </font></td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">(5,487,254</font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">) </font></td> </tr></table> </div> <div style="text-indent: 0pt; display: block"><br /> </div> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: justify"> </div> <div style="text-align: left"> <table cellpadding="0" cellspacing="0" style="width: 100%; font: 10pt times new roman; font-size: 10pt; font-family: times new roman"> <tr> <td style="text-align: left; vertical-align: bottom; width: 44%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td colspan="13" style="vertical-align: bottom; width: 23%; border-bottom: black 2px solid; text-align: center"><font style="display: inline; font: bold 10pt times new roman"> <font style="display: inline; font: bold 10pt times new roman">Fair Value Measurements at Reporting Date Using</font></font></td> <td style="vertical-align: bottom; width: 1%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"><font style="display: inline; font: bold 10pt times new roman"> </font></div> </td> </tr><tr> <td style="text-align: left; vertical-align: bottom; width: 44%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: bold 10pt times new roman">(in thousands)</font></div> </td> <td colspan="2" style="vertical-align: bottom; width: 10%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"><font style="display: inline; font: bold 10pt times new roman">Quoted Prices in Active Markets for Identical Assets or Liabilities</font></div> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"><font style="display: inline; font: bold 10pt times new roman"> (Level 1)</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td colspan="2" style="vertical-align: bottom; width: 10%; border-bottom: black 2px solid">  <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"><font style="display: inline; font: bold 10pt times new roman">Significant or Other Observable Inputs</font></div> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"><font style="display: inline; font: bold 10pt times new roman">(Level 2)</font></div> </td> <td style="vertical-align: bottom; width: 1%; padding-bottom: 2px"> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td colspan="2" style="vertical-align: bottom; width: 10%; border-bottom: black 2px solid"><font style="display: inline; font: bold 10pt times new roman">  </font> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"><font style="display: inline; font: bold 10pt times new roman"><font style="display: inline; font: bold 10pt times new roman">Significant <br /> Unobservable <br /> Inputs</font></font></div> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"><font style="display: inline; font: bold 10pt times new roman"><font style="display: inline; font: bold 10pt times new roman">(Level 3)</font></font></div> </td> <td style="vertical-align: bottom; width: 1%; padding-bottom: 2px"> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td colspan="2" style="vertical-align: bottom; width: 10%; border-bottom: black 2px solid">  <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"><font style="display: inline; font: bold 10pt times new roman">Fair Value at <br /> December 31, 2012</font></div> </td> <td style="vertical-align: bottom; width: 1%; padding-bottom: 2px"> </td> </tr><tr style="background-color: #cceeff"> <td style="text-align: left; vertical-align: bottom; width: 44%"> <div style="text-indent: -18pt; display: block; margin-left: 18pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Assets:</font></div> </td> <td style="text-align: left; vertical-align: bottom; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: right; vertical-align: bottom; width: 9%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">  </font></div> </td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: right; vertical-align: middle; width: 9%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">  </font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: right; vertical-align: middle; width: 9%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">  </font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: right; vertical-align: middle; width: 9%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">  </font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> </tr><tr style="background-color: white"> <td style="text-align: left; vertical-align: bottom; width: 44%; padding-bottom: 2px"> <div style="text-indent: -18pt; display: block; margin-left: 27pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Commodities derivatives</font></div> </td> <td style="text-align: left; vertical-align: bottom; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: bottom; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">290,788</font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">290,788</font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> </tr><tr style="background-color: #cceeff"> <td style="text-align: left; vertical-align: bottom; width: 44%; padding-bottom: 2px"> <div style="text-indent: -18pt; display: block; margin-left: 18pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Total</font></div> </td> <td style="text-align: left; vertical-align: bottom; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: bottom; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">290,788</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">290,788</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> </tr><tr style="background-color: white"> <td style="vertical-align: bottom; width: 44%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: bottom; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: bottom; width: 9%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 9%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 9%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 9%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> </tr><tr style="background-color: #cceeff"> <td style="text-align: left; vertical-align: bottom; width: 44%; padding-bottom: 2px"> <div style="text-indent: -18pt; display: block; margin-left: 18pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Liabilities:</font></div> </td> <td style="vertical-align: bottom; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: bottom; width: 9%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 9%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 9%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 9%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> </tr><tr style="background-color: white"> <td style="text-align: left; vertical-align: bottom; width: 44%; padding-bottom: 2px"> <div style="text-indent: -18pt; display: block; margin-left: 27pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Environmental liability</font></div> </td> <td style="text-align: left; vertical-align: bottom; width: 1%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: bottom; width: 9%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">(2,100,000</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">)  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">(2,100,000</font></div> </td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">)  </font></td> </tr><tr style="background-color: #cceeff"> <td style="text-align: left; vertical-align: bottom; width: 44%; padding-bottom: 2px"> <div style="text-indent: -18pt; display: block; margin-left: 27pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Asset retirement obligations (non-recurring)</font></div> </td> <td style="text-align: left; vertical-align: bottom; width: 1%; border-bottom: black 2px solid"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: right; vertical-align: bottom; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; border-bottom: black 2px solid"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: right; vertical-align: middle; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; border-bottom: black 2px solid"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: right; vertical-align: middle; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">(3,317,358</font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">)  </font></td> <td style="vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%; border-bottom: black 2px solid"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: right; vertical-align: middle; width: 9%; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">(3,317,358</font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">)  </font></td> </tr><tr style="background-color: white"> <td style="text-align: left; vertical-align: bottom; width: 44%"> <div style="text-indent: -18pt; display: block; margin-left: 36pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Total</font></div> </td> <td style="text-align: left; vertical-align: bottom; width: 1%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: bottom; width: 9%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="vertical-align: middle; width: 9%; text-align: right"> <div style="text-align: right; text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt"><font style="display: inline; font: 10pt times new roman">—</font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">(5,417,358</font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">)  </font></td> <td style="vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="text-align: left; vertical-align: middle; width: 1%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></div> </td> <td style="text-align: right; vertical-align: middle; width: 9%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: right"><font style="display: inline; font: 10pt times new roman">(5,417,358</font></div> </td> <td style="text-align: left; vertical-align: middle; width: 1%"><font style="display: inline; font: 10pt times new roman">) </font></td> </tr></table> </div> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: justify"> </div> <div style="text-indent: 0pt; display: block; margin-left: 9pt; margin-right: 3.3pt; text-align: left"><font style="display: inline; font: 10pt Times New Roman">The following is a summary of changes to fair value measurements using Level 3 inputs during the three months ended June 30, 2013:</font></div> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: justify"> </div> <div style="text-align: left"> <table cellpadding="0" cellspacing="0" style="width: 100%; font: 10pt times new roman; font-size: 10pt; font-family: times new roman"> <tr> <td style="vertical-align: bottom; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman">  </font></td> <td style="vertical-align: bottom; padding-bottom: 2px"><font style="display: inline; font: bold 10pt times new roman"> </font></td> <td colspan="2" style="vertical-align: bottom; border-bottom: black 2px solid"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: center"><font style="display: inline; font: bold 10pt times new roman">Environmental Liability</font></div> </td> <td nowrap="nowrap" style="vertical-align: bottom; text-align: left; padding-bottom: 2px"><font style="display: inline; font: bold 10pt times new roman"> </font></td> </tr><tr style="background-color: #cceeff"> <td style="text-align: left; vertical-align: bottom; width: 88%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Balance, December 31, 2012</font></div> </td> <td style="vertical-align: bottom; width: 1%"><font style="display: inline; font: 10pt times new roman"> </font></td> <td style="vertical-align: bottom; width: 1%; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></td> <td style="vertical-align: bottom; width: 9%; text-align: right"><font style="display: inline; font: 10pt times new roman">2,100,000</font></td> <td nowrap="nowrap" style="vertical-align: bottom; width: 1%; text-align: left"><font style="display: inline; font: 10pt times new roman"> </font></td> </tr><tr style="background-color: white"> <td style="text-align: left; vertical-align: bottom; width: 88%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Acquisitions</font></div> </td> <td style="text-align: right; vertical-align: bottom; width: 1%"><font style="display: inline; font: 10pt times new roman"> </font></td> <td style="vertical-align: bottom; width: 1%; text-align: left"><font style="display: inline; font: 10pt times new roman"> </font></td> <td style="vertical-align: bottom; width: 9%; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></td> <td nowrap="nowrap" style="vertical-align: bottom; width: 1%; text-align: left"><font style="display: inline; font: 10pt times new roman"> </font></td> </tr><tr style="background-color: #cceeff"> <td style="text-align: left; vertical-align: bottom; width: 88%"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Settlement of liabilities</font></div> </td> <td style="text-align: right; vertical-align: bottom; width: 1%"><font style="display: inline; font: 10pt times new roman"> </font></td> <td style="vertical-align: bottom; width: 1%; text-align: left"><font style="display: inline; font: 10pt times new roman"> </font></td> <td style="vertical-align: bottom; width: 9%; text-align: right"><font style="display: inline; font: 10pt times new roman">11,842</font></td> <td nowrap="nowrap" style="vertical-align: bottom; width: 1%; text-align: left"><font style="display: inline; font: 10pt times new roman"> </font></td> </tr><tr style="background-color: white"> <td style="text-align: left; vertical-align: bottom; width: 88%; padding-bottom: 2px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Revisions of previous estimates</font></div> </td> <td style="text-align: right; vertical-align: bottom; width: 1%; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman"> </font></td> <td style="vertical-align: bottom; width: 1%; border-bottom: black 2px solid; text-align: left"><font style="display: inline; font: 10pt times new roman"> </font></td> <td style="vertical-align: bottom; width: 9%; border-bottom: black 2px solid; text-align: right"><font style="display: inline; font: 10pt times new roman">—</font></td> <td nowrap="nowrap" style="vertical-align: bottom; width: 1%; text-align: left; padding-bottom: 2px"><font style="display: inline; font: 10pt times new roman"> </font></td> </tr><tr style="background-color: #cceeff"> <td style="text-align: left; vertical-align: bottom; width: 88%; padding-bottom: 4px"> <div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt; text-align: left"><font style="display: inline; font: 10pt times new roman">Balance, June 30, 2013</font></div> </td> <td style="text-align: right; vertical-align: bottom; width: 1%; padding-bottom: 4px"><font style="display: inline; font: 10pt times new roman"> </font></td> <td style="vertical-align: bottom; width: 1%; border-bottom: black 4px double; text-align: left"><font style="display: inline; font: 10pt times new roman">$</font></td> <td style="vertical-align: bottom; width: 9%; border-bottom: black 4px double; text-align: right"><font style="display: inline; font: 10pt times new roman">2,088,158</font></td> <td nowrap="nowrap" style="vertical-align: bottom; width: 1%; text-align: left; padding-bottom: 4px"><font style="display: inline; font: 10pt times new roman"> </font></td> </tr></table> </div> </div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14064-108612 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13504-108611 false0Fair Value MeasurementsfalseFair Value MeasurementsUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://xbres.com/role/FairValueMeasurements12