Statement Of Cash Flow Information

6 Months Ended

Jun. 30, 2011

Statement Of Cash Flow Information

Statement Of Cash Flow Information

NOTE I-STATEMENT OF CASH FLOW INFORMATION

Cash and cash equivalents at June 30, 2011 and December 31, 2010 includes $186,000 of restricted cash related to collateral on seismic operations bonds and $125,000 (Canadian) of restricted cash posted as security against Company issued credit cards for Olympic.

The Company had non-cash additions to its seismic data library comprised of the following for the periods indicated (in thousands):

		Six Months Ended June 30,
		2011				2010
Non-monetary exchanges related to resale licensing revenue	$		6,016		$		3,371
Non-monetary exchanges from underwriting of new data acquisition			1,139				778
Other non-monetary exchanges			86				28
Completion of data in progress from prior non-monetary exchanges			-				3,199
Less: Non-monetary exchanges for data in progress			(2,235	)			(1,423	)
Total non-cash additions to seismic data library	$		5,006		$		5,953

Non-cash revenue consisted of the following for the periods indicated (in thousands):

		Six Months Ended June 30,
		2011			2010
Acquisition revenue on underwriting from non-monetary exchange contracts	$		1,383	$		811
Licensing revenue from specific data licenses and selections on non-monetary exchange contracts			3,033			4,965
Total non-cash revenue	$		4,416	$		5,776