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Exhibit 12.1

Key Energy Services, Inc. and Subsidiaries
Calculation of Ratio of Earnings to Fixed Charges
(in thousands, except for ratios)

			Year Ended December 31,									Six Months Ended June 30,
			2004			2005		2006		2007		2007		2008
Earnings:
	Pretax income from continuing operations before minority interest or income or loss from equity investees		$	(28,528	)	$	83,931	$	274,064	$	275,596	$	162,922	$	127,127
	plus: fixed charges			52,188			55,640		43,308		40,254		20,207		22,461
	plus: amortization of capitalized interest			1,412			1,873		1,663		2,086		975		1,332
	plus: distributed net income of equity investees			—			—		—		—		—		—
	plus: share of pre-tax losses of equity investees for which charges arising from guarantees are included in fixed charges			—			—		—		—		—		—
	less: capitalized interest			2,306			1,266		3,358		5,296		1,999		3,174
	less: preference security dividend requirements of consolidated subsidiaries			—			—		—		—		—		—
	less: minority interest in pre-tax income of subsidiaries that have not incurred fixed charges			—			—		—		—		—		—
		Total earnings		22,766			140,178		315,677		312,640		182,105		147,746
Fixed Charges:
	Interest expense			41,571			47,473		33,949		29,231		15,460		15,967
	Capitalized interest			2,306			1,266		3,358		5,296		1,999		3,174
	Amortization of debt issuance costs			2,329			1,560		1,620		1,680		858		978
	Estimate of interest in rent expense			5,982			5,341		4,381		4,047		1,890		2,342
	Preference security dividend requirements of consolidated subsidiaries			—			—		—		—		—		—
		Total fixed charges		52,188			55,640		43,308		40,254		20,207		22,461
Ratio of Earnings to Fixed Charges				0.4			2.5		7.3		7.8		9.0		6.6

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Exhibit 12.1