EXHIBIT 12.1

COOPER CAMERON CORPORATION
COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
(Amounts in millions of dollars)

	Years ended December 31,
	1999		2000			2001			2002			2003			3/31/2004
Pre-tax income from continuing operations	$	70.9	$	43.8		$	142.6		$	85.1		$	77.6		$	24.3
Equity adjustments:
Deduct undistributed income of less than 50% owned entities		—		(0.2	)		—			—			(0.2	)		(0.2	)
Amortization of capitalized interest		0.2		0.2			0.2			0.2			0.2			0.1
Less interest capitalized during the period		—		—			(1.8	)		(0.4	)		—			—
Fixed charges:
Interest, including amortization of debt issuance costs and original issue discount		27.8		18.0			15.3			8.4			8.2			2.4
Interest portion of rental expense (1)		8.0		6.5			7.0			3.5			5.2			1.3
Total fixed charges		35.8		24.5			22.3			11.9			13.4			3.7
Earnings before income taxes and fixed charges	$	106.9	$	68.3		$	163.3		$	96.8		$	91.0		$	27.9
Ratio of earnings to fixed charges		3.0		2.8			7.3			8.1			6.8			7.5

(1) The portion of rent included in the calculation is believed to be a reasonable approximation of the interest factor.