Exhibit 12.1

Oil States International, Inc.
Ratio of Earnings to Fixed Charges
(dollars in thousands)

	Three months ended Mar 31,				For the year ended December 31,
	2005		2004		2004		2003		2002			2001		2000
Fixed Charges:
Interest expense	$	2,314	$	1,647	$	7,667	$	7,930	$	4,863		$	10,060	$	11,600
Estimated interest within rent expense		500		407		1,501		1,624		1,431			1,277		990
Preferred dividends		—		—		—		—		—			41		332
Total Fixed Charges	$	2,814	$	2,054	$	9,168	$	9,554	$	6,294		$	11,378	$	12,922
Earnings:
Pretax income before minority interest	$	40,079	$	17,680	$	88,804	$	58,655	$	51,029		$	46,326	$	16,472
Add:
Fixed charges		2,814		2,054		9,168		9,554		6,294			11,378		12,922
Less:
Preferred dividends		—		—		—		—		—			41		332
Minority interest		2		3		36		1		(4	)		1,596		4,248
Total Earnings		42,891		19,731		97,936		68,208		57,327			56,067		24,814
Ratio of Earnings to Fixed Charges		15.2		9.6		10.7		7.1		9.1			4.9		1.9