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Asset Retirement Obligations - Additional Information (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | ||
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Mar. 31, 2015
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Jun. 30, 2014
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Apr. 30, 2015
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| Other Commitments [Line Items] | |||
| Current portion of asset retirement obligations | $ 356us-gaap_AssetRetirementObligationCurrent | $ 397us-gaap_AssetRetirementObligationCurrent | |
| Markwells Wood-1 | |||
| Other Commitments [Line Items] | |||
| Current portion of asset retirement obligations |
346us-gaap_AssetRetirementObligationCurrent / invest_InvestmentAxis = mpet_MarkwellsWood1Member |
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| Costs related to MW-1 included in wells in progress |
$ 296us-gaap_CostsIncurredExplorationCosts / invest_InvestmentAxis = mpet_MarkwellsWood1Member |
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| Subsequent Event | Markwells Wood-1 | |||
| Other Commitments [Line Items] | |||
| Interest sold |
40.00%mpet_AssetRetirementObligationsPercentageofInterestSold / invest_InvestmentAxis = mpet_MarkwellsWood1Member / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
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- Definition
Asset Retirement Obligations, Percentage of Interest Sold No definition available.
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- Definition
Current portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Exploration costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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