SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 

SCHEDULE 13G

(Name of Issuer)

Common Stock

(Title of Class of Securities)

966387102

(CUSIP Number of Class of Securities)

Jim Black
Orrick, Herrington & Sutcliffe LLP
405 Howard Street
San Francisco, CA 94105
(415) 773-5840

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

July 17, 2008

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

o		Rule 13d-1(b)
þ		Rule 13d-1(c)
o		Rule 13d-1(d)

     ^*The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

     The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

(Continued on following pages)

SCHEDULE 13G

CUSIP No.		966387102

(1)     Kevin Douglas and his wife, Michelle Douglas, hold 1,009,837 shares jointly as the beneficiaries and co-trustees of the K&M Douglas Trust. In addition, Kevin Douglas and Michelle Douglas are co-trustees of the James Douglas and Jean Douglas Irrevocable Descendants’ Trust, which holds 649,090 shares.

(2)     Includes 172,000 shares underlying short put options held by the K&M Douglas Trust and 108,000 shares underlying short put options held by the James Douglas and Jean Douglas Irrevocable Descendants’ Trust.

(3)     Includes 100,000 shares held by Celtic Investments Holdings, LLC, of which Kevin Douglas is co-Manager.

(4)     Kevin Douglas has dispositive power with respect to 234,190 shares held by James E. Douglas, III and 478,283 shares held by the Douglas Family Trust.

(5)     Includes 40,000 shares underlying short put options held by James E. Douglas III and 80,000 shares underlying short put options held by the Douglas Family Trust.

(6)     Based on 42,318,634 shares of the Issuer’s common stock outstanding as of April 15, 2008, as provided in the Issuer’s Form 10-Q for the quarterly period ended March 31, 2008.

SCHEDULE 13G

CUSIP No.		966387102

(1)     Michelle Douglas and her husband, Kevin Douglas, hold 1,009,837 shares jointly as the beneficiaries and co-trustees of the K&M Douglas Trust. In addition, Kevin Douglas and Michelle Douglas are co-trustees of the James Douglas and Jean Douglas Irrevocable Descendants’ Trust, which holds 649,090 shares.

(2)     Includes 172,000 shares underlying short put options held by the K&M Douglas Trust and 108,000 shares underlying short put options held by the James Douglas and Jean Douglas Irrevocable Descendants’ Trust.

(3)     Based on 42,318,634 shares of the Issuer’s common stock outstanding as of April 15, 2008, as provided in the Issuer’s Form 10-Q for the quarterly period ended March 31, 2008.

SCHEDULE 13G

CUSIP No.		966387102

(1)     Includes 40,000 shares underlying short put options held by James E. Douglas III.

(2)     Kevin Douglas shares dispositive power with respect to 234,190 shares held by James E. Douglas, III.

(3)     Based on 42,318,634 shares of the Issuer’s common stock outstanding as of April 15, 2008, as provided in the Issuer’s Form 10-Q for the quarterly period ended March 31, 2008.

SCHEDULE 13G

CUSIP No.		966387102

(1)     Kevin Douglas and Michelle Douglas, husband and wife, are beneficiaries and co-trustees.

(2)     Kevin Douglas and his wife, Michelle Douglas, hold 1,009,837 shares jointly as the beneficiaries and co-trustees of the K&M Douglas Trust.

(3)     Includes 172,000 shares underlying short put options held by the K&M Douglas Trust.

(4)     Based on 42,318,634 shares of the Issuer’s common stock outstanding as of April 15, 2008, as provided in the Issuer’s Form 10-Q for the quarterly period ended March 31, 2008.

SCHEDULE 13G

CUSIP No.		966387102

(1)     James E. Douglas, Jr. and Jean A. Douglas, husband and wife, are co-trustees.

(2)     Includes 80,000 shares underlying short put options held by the Douglas Family Trust.

(3)     Kevin Douglas has dispositive power with respect to 478,283 shares held by the Douglas Family Trust.

(4)     Based on 42,318,634 shares of the Issuer’s common stock outstanding as of April 15, 2008, as provided in the Issuer’s Form 10-Q for the quarterly period ended March 31, 2008.

SCHEDULE 13G

CUSIP No.		966387102

(1)     Kevin Douglas and Michelle Douglas, husband and wife, are co-trustees.

(2)     Includes 108,000 shares underlying short put options held by the James Douglas and Jean Douglas Irrevocable Descendants’ Trust

(3)     Based on 42,318,634 shares of the Issuer’s common stock outstanding as of April 15, 2008, as provided in the Issuer’s Form 10-Q for the quarterly period ended March 31, 2008.

 

CUSIP No.		966387102

(1)     Kevin Douglas, co-Manager of Celtic Investments Holdings, LLC, shares voting and dispositive power of with respect to 100,000 shares held by Celtic Investments Holdings, LLC.

(2)     Based on 42,318,634 shares of the Issuer’s common stock outstanding as of April 15, 2008, as provided in the Issuer’s Form 10-Q for the quarterly period ended March 31, 2008.

Item 1.

		(a)		Name of Issuer:
				Whiting Petroleum Corporation
		(b)		Address of Issuer’s Principal Executive Offices:
				1700 Broadway, Suite 2300
				Denver, Colorado
				80290-2300

Item 2.

			(1	)(a)		NAME OF PERSONS FILING:
						Kevin Douglas
						Michelle Douglas
						James E. Douglas, III
			(b	)		ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:
						125 E. Sir Francis Drake Blvd., Ste 400
						Larkspur, CA 94939
			(c	)		CITIZENSHIP:
						United States
			(d	)		TITLE OF CLASS OF SECURITIES:
						Common Stock
			(e	)		CUSIP NUMBER:
						966387102
			(2	)(a)		NAME OF PERSONS FILING:
						K&M Douglas Trust
						Douglas Family Trust
						James Douglas and Jean Douglas Irrevocable Descendants’ Trust
			(b	)		ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:
						125 E. Sir Francis Drake Blvd., Ste 400
						Larkspur, CA 94939
			(c	)		CITIZENSHIP:
						California
			(d	)		TITLE OF CLASS OF SECURITIES:
						Common Stock
			(e	)		CUSIP NUMBER:
						966387102

			(3	)(a)		NAME OF PERSONS FILING:
						Celtic Investments Holdings, LLC
			(b	)		ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:
						125 E. Sir Francis Drake Blvd., Ste 400
						Larkspur, CA 94939
			(c	)		CITIZENSHIP:
						Delaware
			(d	)		TITLE OF CLASS OF SECURITIES:
						Common Stock
			(e	)		CUSIP NUMBER:
						966387102

Item 3. If this statement is filed pursuant to Rule 13d-1(b) or 13d-2(b) or (c), check whether the person filing is a:

		(a)		o		Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).
		(b)		o		Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).
		(c)		o		Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).
		(d)		o		Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8)
		(e)		o		An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);
		(f)		o		An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);
		(g)		o		A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);
		(h)		o		A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
		(i)		o		A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
		(j)		o		Group, in accordance with §240.13d-1(b)(1)(ii)(J)
		Not Applicable.

Item 4. Ownership

     Reference is made as to each of the Reporting Persons hereunder to Rows 5-9 and 11 of each of the cover pages of this Schedule 13G and associated footnotes, which are incorporated by reference herein.

     Each of the Reporting Persons hereunder may be deemed a member of a “group” within the meaning of Section 13(d)(3) of the Securities Exchange Act of 1934 (the “Exchange Act”), or Rule 13d-5 promulgated under the Exchange Act with one or more of the other Reporting Persons hereunder. Although the Reporting Persons are reporting such securities as if they were members of a “group,” the filing of this Schedule 13G shall not be construed as an admission by any Reporting Person that such Reporting Person is a beneficial owner of any securities other than those directly held by such Reporting Person.

Item 5. Ownership of Five Percent or Less of a Class

     If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following: o

Item 6. Ownership of More Than Five Percent on Behalf of Another Person

     Not applicable.

     Not applicable.

Item 8. Identification and Classification of Members of the Group

     See Item 4 of this Schedule 13G and the Joint Filing Agreement attached hereto as Exhibit A.

Item 9. Notice of Dissolution of Group

     Not applicable.

Item 10. Certification

     By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: July 29, 2008		* Kevin Douglas   Kevin Douglas
Date: July 29, 2008		* Michelle Douglas   Michelle Douglas
Date: July 29, 2008		* James E. Douglas, III   James E. Douglas, III
		K&M Douglas Trust
Date: July 29, 2008		* Kevin Douglas
		By: Kevin Douglas
		Title: Trustee
Date: July 29, 2008		* Michelle Douglas
		By: Michelle Douglas
		Title: Trustee
		Douglas Family Trust
Dated: July 29, 2008		* James E. Douglas, Jr.
		By: James E. Douglas, Jr.
		Title: Trustee
Date: July 29, 2008		* Jean A. Douglas
		By: Jean A. Douglas
		Title: Trustee
		James Douglas And Jean Douglas
		Irrevocable Descendants’ Trust
Date: July 29, 2008		* Kevin Douglas
		By: Kevin Douglas
		Title: Trustee
Date: July 29, 2008		* Michelle Douglas
		By: Michelle Douglas
		Title: Trustee
		Celtic Investments Holdings, LLC
Date: July 29, 2008		* Kevin Douglas
		By: Kevin Douglas
		Title: Manager

*By:		/s/ Tim McGaw
		Tim McGaw
		Attorney-in-fact

EXHIBIT A

JOINT FILING AGREEMENT

This Joint Filing Agreement (this “Agreement”) hereby confirms the agreement by and among all of the undersigned that the Schedule 13G to which this Agreement is attached as Exhibit A with respect to the beneficial ownership of the undersigned of shares Common Stock of Whiting Petroleum Corporation is being filed on behalf of each of the undersigned. This Agreement may be executed in two or more counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument.

Date: July 29, 2008		* Kevin Douglas
		Kevin Douglas
Date: July 29, 2008		* Michelle Douglas   Michelle Douglas
Date: July 29, 2008		* James E. Douglas, III   James E. Douglas, III
		K&M Douglas Trust
Date: June 29, 2008		* Kevin Douglas   By: Kevin Douglas
		Title: Trustee
Date: July 29, 2008		* Michelle Douglas   By: Michelle Douglas
		Title: Trustee
		Douglas Family Trust
Dated: July 29, 2008		* James E. Douglas, Jr.
		By: James E. Douglas, Jr.
		Title: Trustee
Date: July 29, 2008		* Jean A. Douglas   By: Jean A. Douglas
		Title: Trustee
		James Douglas And Jean Douglas
		Irrevocable Descendants’ Trust
Date: June 29, 2008		* Kevin Douglas   By: Kevin Douglas
		Title: Trustee
Date: July 29, 2008		* Michelle Douglas   By: Michelle Douglas
		Title: Trustee
		Celtic Investments Holdings, LLC
Date: July 29, 2008		* Kevin Douglas
		By: Kevin Douglas
		Title: Manager

*By:		/s/ Tim McGaw
		Tim McGaw
		Attorney-in-fact

LIMITED POWER OF ATTORNEY FOR
REPORTING OBLIGATIONS UNDER SECTIONS 13(D) AND 13(G) OF THE SECURITIES
EXCHANGE ACT OF 1934

     The undersigned hereby make, constitute and appoint each of Tim McGaw, Eileen Davis-Wheatman and Kevin Douglas, acting either individually or together, as each of the undersigned’s true and lawful attorneys-in-fact, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each of the undersigned to:

     (1) prepare, execute, acknowledge, deliver and file Schedules 13D and 13G (including any amendments thereto) with respect to the securities of Whiting Petroleum Corporation, a Delaware corporation (the “Company”), with the U.S. Securities and Exchange Commission, any national securities exchanges and the Company, as considered necessary or advisable under Sections 13(d) or 13(g) of the Securities Exchange Act of 1934 (the “Exchange Act”) and the rules and regulations promulgated thereunder (including, without limitation, Regulation 13D-G);

     (2) seek or obtain, as each of the undersigned’s representative and on each of the undersigned’s behalf, information on transactions in the Company’s securities from any third party, including brokers, employee benefit plan administrators and trustees, in connection with the foregoing, and the undersigned hereby authorizes any such person to release any such information to any of the attorneys-in-fact and approve and ratify any such release of information; and

     (3) perform any and all other acts which in the discretion of such attorney-in-fact are necessary or desirable for and on behalf of the undersigned in connection with the foregoing.

     The undersigned acknowledge that:

     (1) this Limited Power of Attorney authorizes, but does not require, each such attorney-in-fact to act in his or her discretion on information provided to such attorney-in-fact without independent verification of such information;

     (2) any documents prepared and/or executed by any such attorney-in-fact on behalf of the undersigned pursuant to this Limited Power of Attorney will be in such form and will contain such information and disclosure as such attorney-in-fact, in his or her discretion, deems necessary or desirable;

     (3) none of such attorneys-in-fact assumes (i) any liability for any responsibility of the undersigned to comply with the requirements of the Exchange Act, or (ii) any liability of the undersigned for any failure to comply with such requirements; and

     (4) this Limited Power of Attorney does not relieve the undersigned from responsibility for compliance with the obligations of the undersigned under the Exchange Act, including without limitation the reporting requirements under Sections 13(d) and 13(g) of the Exchange Act and Regulation 13D-G promulgated thereunder.

     The undersigned hereby give and grant each of the foregoing attorneys-in-fact full power and authority to do and perform all and every act and thing whatsoever requisite, necessary, appropriate or desirable to be done in and about the foregoing matters as fully to all intents and purposes as the undersigned might or could do if present, hereby ratifying all that each such attorney-in-fact of, for and on behalf of the undersigned, shall lawfully do or cause to be done by virtue of this Limited Power of Attorney.

     This Limited Power of Attorney shall remain in full force and effect until the undersigned are no longer required to file Schedules 13D or 13G with respect to the undersigned’s holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to each such attorney-in-fact.

     The undersigned have caused this Limited Power of Attorney to be executed as of this 29th day of July, 2008.

		Kevin Douglas
		/s/ Kevin Douglas
		Michelle Douglas
		/s/ Michelle Douglas
		James E. Douglas, III
		James E. Douglas, III
		K&M Douglas Trust
		/s/ Kevin Douglas
		By: Kevin Douglas
		Title: Trustee
		/s/ Michelle Douglas
		By: Michelle Douglas
		Title: Trustee
		Douglas Family Trust
		/s/ James E. Douglas, Jr.
		By: James E. Douglas, Jr.
		Title: Trustee
		/s/ Jean A. Douglas
		By: Jean A. Douglas
		Title: Trustee
		James Douglas And Jean Douglas
		Irrevocable Descendants’ Trust
		/s/ Kevin Douglas
		By: Kevin Douglas
		Title: Trustee
		/s/ Michelle Douglas
		By: Michelle Douglas
		Title: Trustee
		Celtic Investments Holdings, LLC
		/s/ Kevin Douglas
		By: Kevin Douglas
		Title: Manager