Accounts Receivable

12 Months Ended

Dec. 31, 2011

Accounts Receivables [Abstract]

ACCOUNTS RECEIVABLE:

NOTE 3 — ACCOUNTS RECEIVABLE:

In our capacity as operator for our co-venturers, we incur drilling and other costs that we bill to the respective parties based on their working interests. We also receive payments for these billings and, in some cases, for billings in advance of incurring costs. Our accounts receivable are comprised of the following amounts:

	As of December 31,
	2011		2010
Other co-venturers	$	8,890	$	6,769
Trade		91,959		75,653
Insurance receivable		4,236		1,718
Unbilled accounts receivable		13,009		4,352
Other		45		37
	$	118,139	$	88,529

We have accrued insurance receivables to the extent we have concluded the insurance recovery is probable. The accrual only relates to costs previously recorded in our financial statements, including asset retirement obligations and repair expenses included in lease operating expenses.