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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No.     )*

Gasco Energy Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

367220100

(CUSIP Number)

December 31, 2007

(Date of Event Which Requires Filing of this Statement)

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

x Rule 13d-1(b)

x Rule 13d-1(c)

¨ 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 the disclosures provided in a prior cover page.

The information required in 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).

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

SEC 1745 (2-02)

Page 1 of 13

CUSIP No. 367220100 13G

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).             Whitebox Advisors, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a)  ¨ (b)  x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION             Delaware

NUMBER OF   SHARES   BENEFICIALLY   OWNED BY   EACH   REPORTING   PERSON   WITH:	5    SOLE VOTING POWER             0
	6    SHARED VOTING POWER             6,108,173
	7    SOLE DISPOSITIVE POWER             0
	8    SHARED DISPOSITIVE POWER             6,108,173

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON             6,108,173 (see Item 4)
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)             6.3%
12	TYPE OF REPORTING PERSON*             IA

*SEE INSTRUCTION BEFORE FILLING OUT!

Page 2 of 13

CUSIP No. 367220100 13G

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).             Whitebox Intermarket Advisors, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a)  ¨ (b)  x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION             Delaware

NUMBER OF   SHARES   BENEFICIALLY   OWNED BY   EACH   REPORTING   PERSON   WITH:	5    SOLE VOTING POWER             0
	6    SHARED VOTING POWER             4,964,924
	7    SOLE DISPOSITIVE POWER             0
	8    SHARED DISPOSITIVE POWER             4,964,924

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON             4,964,924 (see Item 4)
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)             5.1%
12	TYPE OF REPORTING PERSON*             IA

*SEE INSTRUCTION BEFORE FILLING OUT!

Page 3 of 13

CUSIP No. 367220100 13G

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).             Whitebox Intermarket Partners, L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a)  ¨ (b)  x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION             British Virgin Islands

NUMBER OF   SHARES   BENEFICIALLY   OWNED BY   EACH   REPORTING   PERSON   WITH:	5    SOLE VOTING POWER             0
	6    SHARED VOTING POWER             4,964,924
	7    SOLE DISPOSITIVE POWER             0
	8    SHARED DISPOSITIVE POWER             4,964,924

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON             4,964,924 (see Item 4)
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)             5.1%
12	TYPE OF REPORTING PERSON*             PN

*SEE INSTRUCTION BEFORE FILLING OUT!

Page 4 of 13

CUSIP No. 367220100 13G

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).             Whitebox Intermarket Fund, L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a)  ¨ (b)  x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION             Delaware

NUMBER OF   SHARES   BENEFICIALLY   OWNED BY   EACH   REPORTING   PERSON   WITH:	5    SOLE VOTING POWER             0
	6    SHARED VOTING POWER             4,964,924
	7    SOLE DISPOSITIVE POWER             0
	8    SHARED DISPOSITIVE POWER             4,964,924

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON             4,964,924 (see Item 4)
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)             5.1%
12	TYPE OF REPORTING PERSON*             PN

*SEE INSTRUCTION BEFORE FILLING OUT!

Page 5 of 13

CUSIP No. 367220100 13G

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).             Whitebox Intermarket Fund, Ltd.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a)  ¨ (b)  x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION             British Virgin Islands

NUMBER OF   SHARES   BENEFICIALLY   OWNED BY   EACH   REPORTING   PERSON   WITH:	5    SOLE VOTING POWER             0
	6    SHARED VOTING POWER             4,964,924
	7    SOLE DISPOSITIVE POWER             0
	8    SHARED DISPOSITIVE POWER             4,964,924

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON             4,964,924 (see Item 4)
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)             5.1%
12	TYPE OF REPORTING PERSON*             CO

*SEE INSTRUCTION BEFORE FILLING OUT!

Page 6 of 13

CUSIP No. 367220100 13G

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).             Whitebox Statistical Arbitrage Advisors, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a)  ¨ (b)  x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION             Delaware

NUMBER OF   SHARES   BENEFICIALLY   OWNED BY   EACH   REPORTING   PERSON   WITH:	5    SOLE VOTING POWER             0
	6    SHARED VOTING POWER             348,384
	7    SOLE DISPOSITIVE POWER             0
	8    SHARED DISPOSITIVE POWER             348,384

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON             348,384 (see Item 4)
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)             0.4%
12	TYPE OF REPORTING PERSON*             IA

*SEE INSTRUCTION BEFORE FILLING OUT!

Page 7 of 13

CUSIP No. 367220100 13G

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).             Whitebox Statistical Arbitrage Partners, L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a)  ¨ (b)  x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION             British Virgin Islands

NUMBER OF   SHARES   BENEFICIALLY   OWNED BY   EACH   REPORTING   PERSON   WITH:	5    SOLE VOTING POWER             0
	6    SHARED VOTING POWER             348,384
	7    SOLE DISPOSITIVE POWER             0
	8    SHARED DISPOSITIVE POWER             348,384

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON             348,384 (see Item 4)
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)             0.4%
12	TYPE OF REPORTING PERSON*             PN

*SEE INSTRUCTION BEFORE FILLING OUT!

Page 8 of 13

CUSIP No. 367220100 13G

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).             Whitebox Statistical Arbitrage Fund, L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a)  ¨ (b)  x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION             Delaware

NUMBER OF   SHARES   BENEFICIALLY   OWNED BY   EACH   REPORTING   PERSON   WITH:	5    SOLE VOTING POWER             0
	6    SHARED VOTING POWER             348,384
	7    SOLE DISPOSITIVE POWER             0
	8    SHARED DISPOSITIVE POWER             348,384

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON             348,384 (see Item 4)
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)             0.4%
12	TYPE OF REPORTING PERSON*             PN

*SEE INSTRUCTION BEFORE FILLING OUT!

Page 9 of 13

CUSIP No. 367220100 13G

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY).             Whitebox Statistical Arbitrage Fund, Ltd.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a)  ¨ (b)  x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION             British Virgin Islands

NUMBER OF   SHARES   BENEFICIALLY   OWNED BY   EACH   REPORTING   PERSON   WITH:	5    SOLE VOTING POWER             0
	6    SHARED VOTING POWER             348,384
	7    SOLE DISPOSITIVE POWER             0
	8    SHARED DISPOSITIVE POWER             348,384

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON             348,384 (see Item 4)
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)             0.4%
12	TYPE OF REPORTING PERSON*             CO

*SEE INSTRUCTION BEFORE FILLING OUT!

Page 10 of 13

Item 1.	(a)	Name of Issuer
		Gasco Energy, Inc. (the “Company”)
	(b)	Address of Issuer’s Principal Executive Offices
		8 Inverness Drive East, Suite 100 Englewood, Colorado 80112
Item 2.	(a)	Name of Person Filing
		This statement is filed by:
	(i)	Whitebox Advisors, LLC, a Delaware limited liability company (“WA”);
	(ii)	Whitebox Intermarket Advisors, LLC, a Delaware limited liability company (“WIA”);
	(iii)	Whitebox Intermarket Partners, L.P., a British Virgin Islands limited partnership (“WIP”);
	(iv)	Whitebox Intermarket Fund, L.P., a Delaware limited partnership (“WIFLP”);
	(v)	Whitebox Intermarket Fund, Ltd., a British Virgin Islands business company (“WIFLTD”);
	(vi)	Whitebox Statistical Arbitrage Advisors, LLC, a Delaware limited liability company (“WSAA”);
	(vii)	Whitebox Statistical Arbitrage Partners, L.P., a British Virgin Islands limited partnership (“WSAP”);
	(viii)	Whitebox Statistical Arbitrage Fund, L.P., a Delaware limited partnership (“WSAFLP”); and
	(ix)	Whitebox Statistical Arbitrage Fund, Ltd., a British Virgin Islands exempted company (“WSAFLTD”).
	(b)	Address of Principal Business Office or, if none, Residence
		The address of the business office of WA, WIA, WIFLP, WSAA, and WSAFLP is:
		3033 Excelsior Boulevard Suite 300 Minneapolis, MN 55416
		The address of the business office of WIP, WIFLTD, WSAP, and WSAFLTD is:
		Trident Chambers, P.O. Box 146 Waterfront Drive, Wickhams Cay Road Town, Tortola, British Virgin Islands
	(c)	Citizenship
		WA, WIA, WIFLP, WSAA, and WSAFLP are organized under the laws of the State of Delaware; WIP, WIFLTD, WSAP, and WSAFLTD are organized under the laws of the British Virgin Islands.
	(d)	Title of Class of Securities
		Common Stock
	(e)	CUSIP Number
		367220100
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
	(a)	¨	Broker or dealer registered under section 15 of the Act.
	(b)	¨	Bank as defined in section 3(a)(6) of the Act.
	(c)	¨	Insurance company as defined in section 3(a)(19) of the Act.
	(d)	¨	Investment company registered under section 8 of the Investment Company Act of 1940.
	(e)	x	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E).
	(f)	¨	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F).
	(g)	¨	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G).
	(h)	¨	A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act.
	(i)	¨	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.
	(j)	¨	Group, in accordance with § 240.13d-1(b)(1)(ii)(J).
	In addition to the investment advisers on behalf of whom this statement is filed pursuant to § 240.13d-1(b), this statement is also filed on behalf of the following persons pursuant to § 240.13d-1(c): WIFLP, WSAFLP, WIP, WSAP, WIFLTD, and WSAFLTD.

Page 11 of 13

Item 4.	Ownership
	(a)	Amount Beneficially Owned
		WA, acting as investment adviser to its clients, is deemed to beneficially own 6,108,173 shares of Common Stock of the Company. WIA, acting as investment adviser to its clients, is deemed to beneficially own 4,964,924 shares of Common Stock of the Company. WIP is deemed to beneficially own 4,964,924 shares of Common Stock of the Company as a result of its direct ownership of Common Stock of the Company. WIFLP is deemed to beneficially own 4,964,924 shares of Common Stock of the Company as a result of its indirect ownership of Common Stock of the Company. WIFLTD is deemed to beneficially own 4,964,924 shares of Common Stock of the Company as a result of its indirect ownership of Common Stock of the Company. WSAA, acting as investment adviser to its clients, is deemed to beneficially own 348,384 shares of Common Stock of the Company. WSAP is deemed to beneficially own 348,384 shares of Common Stock of the Company as a result of its direct ownership of Common Stock of the Company. WSAFLP is deemed to beneficially own 348,384 shares of Common Stock of the Company as a result of its indirect ownership of Common Stock of the Company. WSAFLTD is deemed to beneficially own 348,384 shares of Common Stock of the Company as a result of its indirect ownership of Common Stock of the Company. As a result of the relationships described in this statement, each of WA, WIA, WIFLP, WIFLTD, WSAA, WSAFLP, and WSAFLTD may be deemed to possess indirect beneficial ownership of the shares of Common Stock held by one or more of WIP, WSAP, and other investment advisory clients. WA, WIA, WIFLP, WIFLTD, WSAA, WSAFLP, and WSAFLTD each disclaim indirect beneficial ownership of the shares of Common Stock except to the extent of their pecuniary interest in such shares. Based on the relationships described herein, these entities may be deemed to constitute a “group” within the meaning of Rule 13d-5(b)(1) under the Securities Exchange Act of 1934. The filing of this statement shall not be construed as an admission that WA, WIA, WSAA, WIP, WSAP, WIFLP, WSAFLP, WSAFLTD and WIFLTD are a group, or have agreed to act as a group.
	(b)	Percent of Class
		WA is deemed to beneficially own 6.3% of the Company’s Common Stock. WIA is deemed to beneficially own 5.1% of the Company’s Common Stock. WIP is deemed to beneficially own 5.1% of the Company’s Common Stock. WIFLP is deemed to beneficially own 5.1% of the Company’s Common Stock. WIFLTD is deemed to beneficially own 5.1% of the Company’s Common Stock. WSAA is deemed to beneficially own 0.4% of the Company’s Common Stock. WSAP is deemed to beneficially own 0.4% of the Company’s Common Stock. WSAFLP is deemed to beneficially own 0.4% of the Company’s Common Stock. WSAFLTD is deemed to beneficially own 0.4% of the Company’s Common Stock. The percentage of Common Stock reportedly owned by each entity herein is based on 96,340,000 shares of outstanding Common Stock of the Company, which is the total number of shares issued and outstanding on 11/01/2007.
	(c)	Number of shares as to which such person has:
		(i)	Sole power to vote or to direct the vote
			0
		(ii)	Shared power to vote or to direct the vote
			WA has shared voting power with respect to 6,108,173 shares of the Company’s Common Stock. WIA, WIP, WIFLP, and WIFLTD have shared voting power with respect to 4,964,924 shares of the Company’s Common Stock. WSAA, WSAP, WSAFLP, and WSAFLTD have shared voting power with respect to 348,384 shares of the Company’s Common Stock.
		(iii)	Sole power to dispose or to direct the disposition of
			0
		(iv)	Shared power to dispose or to direct the disposition of
			WA has shared power to direct the disposition of 6,108,173 shares of the Company’s Common Stock. WIA, WIP, WIFLP, and WIFLTD have shared power to direct the disposition of 4,964,924 shares of the Company’s Common Stock. WSAA, WSAP, WSAFLP, and WSAFLTD have shared power to direct the disposition of 348,384 shares of the Company’s Common Stock.
		Instruction. For computations regarding securities which represent a right to acquire an underlying security see §240.13d3(d)(1).
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 ¨.
	Not Applicable
	Instruction. Dissolution of a group requires a response to this item.
Item 6.	Ownership of More than Five Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group
	See Item 2
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 acquired and are held in the ordinary course of business and 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.

February 14, 2008

Date

/s/ Jonathan D. Wood

Signature

Jonathan D. Wood, Chief Operating Officer of Whitebox Advisors, LLC, on behalf of Whitebox Intermarket Advisors, LLC, and Whitebox Statistical Arbitrage Advisors, LLC

Name/Title

Page 12 of 13

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.

February 14, 2008

Date

/s/ Jonathan D. Wood

Signature

Jonathan D. Wood, Chief Operating Officer of Whitebox Advisors, LLC, on behalf of Whitebox Intermarket Partners, L.P., Whitebox Intermarket Fund, L.P., Whitebox Intermarket Fund, Ltd., Whitebox Statistical Arbitrage Partners, L.P., Whitebox Statistical Arbitrage Fund, L.P., and Whitebox Statistical Arbitrage Fund, Ltd.

Name/Title

The original statement shall be signed by each person on whose behalf the statement is filed or his authorized representative. If the statement is signed on behalf of a person by his authorized representative other than an executive officer or general partner of the filing person, evidence of the representative’s authority to sign on behalf of such person shall be filed with the statement, provided, however, that a power of attorney for this purpose which is already on file with the Commission may be incorporated by reference. The name and any title of each person who signs the statement shall be typed or printed beneath his signature.

NOTE: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See § 240.13d-7 for other parties for whom copies are to be sent.

Attention: Intentional misstatements or omissions of fact constitute Federal criminal violations (See 18 U.S.C. 1001)

Page 13 of 13