Investments In Non-Consolidated Subsidiaries (Tables)

3 Months Ended

Mar. 31, 2013

White Cliffs Pipeline, L.L.C. [Member]

Schedule of Income Statement Information on Equity Method Investments

Certain summarized income statement information of White Cliffs for the three months ended March 31, 2013 and March 31, 2012 is shown below (in thousands):

	Three Months Ended March 31,
	2013		2012
Revenue	$	30,673	$	22,656
Operating, general and administrative expenses	$	5,179	$	3,885
Depreciation and amortization expense	$	4,715	$	4,983
Net income	$	20,779	$	13,788
Distributions paid to SemGroup	$	13,792	$	8,940

NGL Energy Partners LP [Member]

Schedule of Income Statement Information on Equity Method Investments

Certain unaudited summarized income statement information of NGL Energy for the three months ended December 31, 2012 and 2011 is shown below (in thousands):

	Three Months Ended December 31,
	2012		2011
Revenue	$	1,338,208	$	470,649
Cost of products sold	$	1,204,545	$	439,790
Operating, general and administrative expenses	$	64,693	$	16,816
Depreciation and amortization expense	$	18,747	$	5,402
Net income	$	40,477	$	6,090