Supplemental Cash Flow Information

6 Months Ended

Jun. 30, 2013

Supplemental Cash Flow Information [Abstract]

SUPPLEMENTAL CASH FLOW INFORMATION

SUPPLEMENTAL CASH FLOW INFORMATION

The following table summarizes the changes in the components of operating assets and liabilities shown on our condensed consolidated statements of cash flows (in thousands):

	Six Months Ended June 30,
	2013			2012
Decrease (increase) in restricted cash	$	275		$	4,508
Decrease (increase) in accounts receivable	(12,512		)	(71,647		)
Decrease (increase) in receivable from affiliates	(2,416		)	648
Decrease (increase) in inventories	(237		)	9,944
Decrease (increase) in derivatives and margin deposits	972			702
Decrease (increase) in other current assets	839			3,825
Decrease (increase) in other assets	266			2,259
Increase (decrease) in accounts payable and accrued liabilities	7,229			42,802
Increase (decrease) in payable to affiliates	2			(5,622		)
Increase (decrease) in payables to pre-petition creditors	(424		)	(4,360		)
Increase (decrease) in other noncurrent liabilities	(3,323		)	(1,289		)
	$	(9,329	)	$	(18,230	)

Other supplemental disclosures

We recorded a $90.5 million reduction to noncontrolling interests in consolidated subsidiaries and an offsetting increase to additional paid-in capital of $56.8 million (net of tax impact of $33.7 million). This non-cash entry represents the portion of the proceeds in excess of historical cost which were attributed to Rose Rock's third-party unitholders related to Rose Rock's purchase of a 33% interest in SemCrude Pipeline, L.L.C. (Note 2).

During the six months ended June 30,2013, we issued 420,067 Class A units related to the exercise of 762,807 warrants resulting in the non-cash reclassification of $23.3 million from other noncurrent liabilities to common stock and additional paid-in capital. Cash proceeds of $0.2 million were received in connection with the warrant exercises.

We paid cash interest of $4.1 million and $4.2 million for the six months ended June 30,2013 and 2012, respectively.

We paid cash for income taxes (net of refunds received) of $2.0 million and $6.1 million for the six months ended June 30,2013 and 2012, respectively.

We incurred liabilities for construction work in process that had not been paid of $3.7 million and $8.5 million as of June 30, 2013 and 2012, respectively. Such amounts are not included in capital expenditures on the consolidated statements of cash flows.