Amount agreed to under the Stock Purchase Agreement to continue capital and exploratory expenditures

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- Definition

Amount of gain (loss) on sale or disposal of proven and unproven oil and gas properties net of tax.

+ References

No definition available.

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- Definition

The amount of ownership percentage sold in an oil and gas exploration block.

+ References

No definition available.

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Loan receivable from the participating interest purchasing the oil and gas properties sold during the period reported.

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- Definition

No authoritative reference available.

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No definition available.

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- Definition

No authoritative reference available.

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No definition available.

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- Definition

Amount of gain (loss) on sale or disposal of proven and unproven oil and gas properties.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

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The increase (decrease) during the reporting period in other liabilities used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current liabilities, other noncurrent liabilities, or a combination of other current and noncurrent liabilities.

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-Section 45

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Aggregate carrying amount of current liabilities (due within one year or within the normal operating cycle if longer) not separately disclosed in the balance sheet. Includes costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered and of liabilities not separately disclosed.

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Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the balance sheet. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer).

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The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Note 4 - Divestiture (Details) (USD $)	1 Months Ended	12 Months Ended			0 Months Ended		1 Months Ended
Note 4 - Divestiture (Details) (USD $)	Apr. 27, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 14, 2012	Dec. 14, 2012	Dec. 31, 2012
Note 4 - Divestiture (Details) [Line Items]
Proceeds from Sale of Oil and Gas Property and Equipment	$ 150,000,000			$ 79,299,000
Ownership Percentage Sold, Oil and Gas Exploration Block	49.00%
Capital and Exploratory Expenditures Funding Agreement	185,000,000	177,900,000	81,300,000
Participating Interest Loans	65,000,000bpz_ParticipatingInterestLoans
Gain (Loss) on Disposition of Oil and Gas Property				26,864,000
Sale Adjustments Prior to Closing				18,300,000bpz_SaleAdjustmentsPriorToClosing			18,300,000bpz_SaleAdjustmentsPriorToClosing
Other Liabilities, Current		22,533,000us-gaap_OtherLiabilitiesCurrent	24,494,000us-gaap_OtherLiabilitiesCurrent
Other Liabilities, Noncurrent			16,755,000us-gaap_OtherLiabilitiesNoncurrent
Increase (Decrease) in Other Operating Liabilities		(18,716,000)	(1,299,000)	836,000
Collection of Revenue [Member]
Note 4 - Divestiture (Details) [Line Items]
Sale Adjustments Prior to Closing				56,100,000			56,100,000
Payment of Expenses [Member]
Note 4 - Divestiture (Details) [Line Items]
Sale Adjustments Prior to Closing				32,600,000			32,600,000
Income Taxes [Member]
Note 4 - Divestiture (Details) [Line Items]
Sale Adjustments Prior to Closing				5,200,000			5,200,000
Block Z-1 [Member]
Note 4 - Divestiture (Details) [Line Items]
Proceeds from Sale of Oil and Gas Property and Equipment	150,000,000			85,000,000			85,000,000
Ownership Percentage Sold, Oil and Gas Exploration Block	49.00%				49.00%	49.00%
Capital and Exploratory Expenditures Funding Agreement	185,000,000		80,600,000
Participating Interest Loans	65,000,000
Transaction Costs				5,700,000
Gain (Loss) on Disposition of Oil and Gas Property				26,900,000
Gain (Loss) On Sale of Oil and Gas Property Net of Tax				31,100,000
Other Liabilities, Current		22,500,000	23,900,000
Other Liabilities, Noncurrent		0	16,800,000
Pacific Rubiales [Member]
Note 4 - Divestiture (Details) [Line Items]
Increase (Decrease) in Other Operating Liabilities		$ (14,400,000)