Segment Information (Tables)

12 Months Ended

Dec. 31, 2014

Revenues from External Customers and Long-Lived Assets [Line Items]

Schedule of Drilling Long-Lived Assets, by Status [Table Text Block]

The following is a summary of our drilling rig counts as of December 31, 2014 and February 1, 2015.

	Drilling Rigs Owned	Drilling Rigs Held for Sale		Drilling Rig Fleet Count
As of December 31, 2014	62	(9	)	53
As of February 1, 2015	59	(12	)	47

The following is a summary of our drilling rig counts as of December 31, 2014 and February 1, 2015.

	Drilling Rigs Owned	Drilling Rigs Held for Sale		Drilling Rig Fleet Count
As of December 31, 2014	62	(9	)	53
As of February 1, 2015	59	(12	)	47

The following is a summary of our drilling rig counts as of December 31, 2014 and February 1, 2015.

	Drilling Rigs Owned	Drilling Rigs Held for Sale		Drilling Rig Fleet Count
As of December 31, 2014	62	(9	)	53
As of February 1, 2015	59	(12	)	47

Schedule of Long-Lived Assets, by Reporting Segment

As of February 1, 2015, the drilling rigs in our fleet are assigned to the following divisions:

Drilling Division	Rig Count
South Texas	13
West Texas	10
North Dakota	9
Utah	4
Appalachia	3
Colombia	8
	47

As of February 1, 2015, the drilling rigs in our fleet are assigned to the following divisions:

Drilling Division	Rig Count
South Texas	13
West Texas	10
North Dakota	9
Utah	4
Appalachia	3
Colombia	8
	47

Schedule of Segment Reporting Information, by Segment

The following tables set forth certain financial information for our two operating segments and corporate as of and for the years ending December 31, 2014, 2013 and 2012 (amounts in thousands):

	As of and for the year ended December 31, 2014
	Drilling Services Segment		Production Services Segment		Corporate		Total
Identifiable assets	$	712,604	$	412,516	$	46,469	$	1,171,589
Revenues	$	516,473	$	538,750	$	—	$	1,055,223
Operating costs	345,862		340,102		—		685,964
Segment margin	$	170,611	$	198,648	$	—	$	369,259
Depreciation and amortization	$	115,714	$	66,326	$	1,336	$	183,376
Capital expenditures	$	112,483	$	74,652	$	986	$	188,121

	As of and for the year ended December 31, 2013
	Drilling Services Segment		Production Services Segment		Corporate		Total
Identifiable assets	$	791,820	$	395,219	$	42,584	$	1,229,623
Revenues	$	528,327	$	431,859	$	—	$	960,186
Operating costs	351,630		277,625		—		629,255
Segment margin	$	176,697	$	154,234	$	—	$	330,931
Depreciation and amortization	$	122,201	$	64,604	$	1,113	$	187,918
Capital expenditures	$	78,708	$	44,541	$	2,171	$	125,420

	As of and for the year ended December 31, 2012
	Drilling Services Segment		Production Services Segment		Corporate		Total
Identifiable assets	$	867,526	$	439,113	$	33,137	$	1,339,776
Revenues	$	498,867	$	420,576	$	—	$	919,443
Operating costs	333,846		252,775		—		586,621
Segment margin	$	165,021	$	167,801	$	—	$	332,822
Depreciation and amortization	$	108,151	$	55,693	$	873	$	164,717
Capital expenditures	$	265,966	$	110,813	$	2,493	$	379,272

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

The following table reconciles the segment profits reported above to income from operations as reported on the consolidated statements of operations for the years ended December 31, 2014, 2013 and 2012 (amounts in thousands):

	Year ended December 31,
	2014			2013			2012
Segment margin	$	369,259		$	330,931		$	332,822
Depreciation and amortization	(183,376		)	(187,918		)	(164,717		)
General and administrative	(103,385		)	(94,183		)	(85,603		)
Bad debt expense	(1,445		)	(767		)	440
Impairment charges	(73,025		)	(54,292		)	(1,131		)
Gain on sale of fishing and rental services operations	10,702			—			—
Gain on litigation	5,254			—			—
Income (loss) from operations	$	23,984		$	(6,229	)	$	81,811

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas

The following table sets forth certain financial information for our international operations in Colombia as of and for the years ended December 31, 2014, 2013 and 2012 (amounts in thousands):

	As of and for the year ended December 31,
	2014		2013		2012
Identifiable assets	$	142,321	$	150,719	$	148,567
Revenues	$	104,520	$	115,631	$	95,338