EXHIBIT 12.1

HALLIBURTON COMPANY

Computation of Ratio of Earnings to Fixed Charges

(Unaudited)

(Millions of dollars, except ratios)

	Six Months Ended June 30,		Year Ended December 31
	2010		2009		2008		2007		2006		2005
Earnings available for fixed charges:
Income from continuing operations
before income taxes and noncontrolling interest	$	1,010	$	1,682	$	3,849	$	3,447	$	3,186	$	1,985
Add:
Distributed earnings from equity in
unconsolidated affiliates		3		17		30		43		28		34
Fixed charges		190		361		232		222		238		260
Subtotal		1,203		2,060		4,111		3,712		3,452		2,279
Less:
Equity in earnings of unconsolidated
affiliates		8		16		50		57		65		42
Total earnings available for fixed charges	$	1,195	$	2,044	$	4,061	$	3,655	$	3,387	$	2,237
Fixed charges:
Interest expense	$	158	$	297	$	167	$	168	$	179	$	208
Rental expense representative of interest		32		64		65		54		59		52
Total fixed charges	$	190	$	361	$	232	$	222	$	238	$	260
Ratio of earnings to fixed charges		6.3		5.7		17.5		16.5		14.2		8.6