Exhibit 12.1

WHITING PETROLEUM CORPORATION

FORM S-4 REGISTRATION STATEMENT

Calculation of Ratio of Earnings to Fixed Charges

(dollars in thousands)

	Three Months Ended March 31,				Year Ended December 31,
	2004		2003		2003		2002		2001			2000		1999
Fixed Charges:
Interest Expensed	$	2,037	$	2,926	$	8,086	$	10,867	$	10,233		$	7,549	$	5,384
Interest Capitalized		—		—		—		—		210			—		—
Amortized Premiums, Discounts and Capitalized Expenses Related to Indebtedness		282		300		1,091		71		—			—		—
Estimate of Interest Within Rental Expense		52		46		209		183		165			105		98
Preference Security Dividend Requirements of Subs		—		—		—		—		—			—		—
Total Fixed Charges	$	2,371	$	3,272	$	9,386	$	11,121	$	10,608		$	7,654	$	5,482
Earnings:
Pre-tax Income from Continuing Operations	$	15,698	$	11,935	$	36,139	$	11,952	$	54,337		$	45,361	$	12,726
Fixed Charges (above)		2,371		3,272		9,386		11,121		10,608			7,654		5,482
Amortization of Capitalized Interest		5		5		21		21		—			—		—
Distributed Income of Equity Investees		—		—		—		—		—			—		—
Whiting Share of Pre-tax losses of Equity Investees		—		—		—		—		—			—		—
Less
Interest Capitalized		—		—		—		—		(210	)		—		—
Preference Security Dividend Requirements of Subs		—		—		—		—		—			—		—
Minority Interest in Pre-tax income of Subs		—		—		—		—		—			—		—
Total earnings	$	18,074	$	15,212	$	45,546	$	23,094	$	64,735		$	53,015	$	18,208
Ratio of Earnings to Fixed Charges (unaudited)		7.62		4.65		4.85		2.08		6.10			6.93		3.32