Exhibit 12.1

WHITING PETROLEUM CORPORATION
FORM S-4 REGISTRATION STATEMENT
Calculation of Ratio of Earnings to Fixed Charges
(dollars in thousands)

	Nine
	Months
	Ended
	September 30,			Year Ended December 31,
	2005			2004			2003		2002		2001			2000
Fixed Charges:
Interest Expensed	$	20,404		$	11,800		$	7,867	$	10,867	$	10,233		$	7,549
Interest Capitalized		—			200			—		—		210			—
Amortized Premiums, Discounts and Capitalized Expenses Related to Indebtedness		4,614			4,056			1,310		71		—			—
Estimate of Interest Within Rental Expense		229			182			209		183		165			105
Preference Security Dividend Requirements of Subs								—		—		—			—
Total Fixed Charges	$	25,247		$	16,238		$	9,386	$	11,121	$	10,608		$	7,654
Earnings:
Pre-tax Income from Continuing Operations	$	136,116		$	114,005		$	36,139	$	11,952	$	54,337		$	45,361
Fixed Charges (above)		25,247			16,238			9,386		11,121		10,608			7,654
Amortization of Capitalized Interest		31			21			21		21		—			—
Distributed Income of Equity Investees		201			—			—		—		—			—
Whiting Share of Pre-tax losses of Equity Investees					—			—		—		—			—
Less Interest Capitalized					(200	)		—		—		(210	)		—
Preference Security Dividend Requirements of Subs					—			—		—		—			—
Minority Interest in Pre-tax income of Subs		(150	)		—			—		—		—			—
Total earnings	$	161,595		$	130,064		$	45,546	$	23,094	$	64,735		$	53,015
Ratio of Earnings to Fixed Charges (unaudited)		6.40			8.01			4.85		2.08		6.10			6.93