Related Party Transactions (Details Narrative) (USD $)	6 Months Ended
Related Party Transactions (Details Narrative) (USD $)	Jun. 30, 2012
Related Party Transactions Details Narrative
Description of management control	In accordance with the laws of the State of Delaware, Mewbourne Development Corporation ("MD"), a Delaware Corporation, has been appointed as the Partnership's managing general partner. MD has no significant equity interest in the Partnership. Mewbourne Oil Company ("MOC") is operator of oil and gas properties owned by the Partnership. Mewbourne Holdings, Inc. is the parent of both MD and MOC. Substantially all transactions are with MD and MOC.
Description of allocated administrative expenses	In accordance with the Partnership agreement, during any particular calendar year the total amount of administrative expenses allocated to the Partnership by MOC shall not exceed the greater of (a) 3.5% of the Partnership’s gross revenue from the sale of oil and natural gas production during each year (calculated without any deduction for operating costs or other costs and expenses) or (b) the sum of $50,000 plus .25% of the capital contributions of limited and general partners.
Percentage of Partnership's gross revenue from sale of oil and gas	3.50%
Amount of administrative fees allocated	$ 50,000
Percentage of capital contributions of limited and general partners	0.25%

A description of the related party transaction, including transactions to which no amounts or nominal amounts were ascribed and such other information deemed necessary to an understanding of the effects of the transactions on the financial statements. Examples of common related party transactions are, sales, purchases and transfers of realty and personal property, services received or furnished, loans and leases to and from top management and affiliates.

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+ Details

MEWBOURNE ENERGY PARTNERS 02-A LP 10-Q