Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
LARSEN KEITH G
  2. Issuer Name and Ticker or Trading Symbol
US ENERGY CORP [USEG]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
PRESIDENT and COO
(Last)
(First)
(Middle)
877 NORTH 8TH WEST
3. Date of Earliest Transaction (Month/Day/Year)
03/07/2005
(Street)

RIVERTON, WY 82501
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
U.S. Energy Common Stock 03/07/2005   M   44,444 A $ 2.25 87,538 D  
U.S. Energy Common Stock 03/07/2005   F   30,000 D (1) $ 0 57,538 D  
U.S. Energy Common Stock 03/07/2005   M   11,321 A $ 2.4 68,859 D (2) (3)  
U.S. Energy Common Stock               812,915 I (4) (5) (6) By Corporation
U.S. Energy Common Stock               7,500 I (7) By Custodian For Child
U.S. Energy Common Stock               51,015 I (8) By ESOP
U.S. Energy Common Stock               86,937 I (9) By Immediate Family

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Option 2 (Right to Buy) $ 2.4 03/07/2005   M     11,321 01/10/2001 01/09/2011 U.S. Energy Common Stock 11,321 $ 0 298,079 (10) D  
Employee Option 4 (Right to Buy) $ 2.25 03/07/2005   M     44,444 08/08/2002 12/07/2011 U.S. Energy Common Stock 44,444 $ 0 52,556 (11) D  
Employee Option 1 (Right to Buy) $ 2.88             12/04/1998 09/05/2008 U.S. Energy Common Stock 34,782   34,782 (10) D  
Employee Option 1a (Right to Buy) $ 2             12/04/1998 09/25/2008 U.S. Energy Common Stock 52,718   52,718 (10) D  
Employee Option 3 (Right to Buy) $ 3.9             12/07/2001 12/06/2011 U.S. Energy Common Stock 100,000   100,000 (11) D  
Employee Option 5 (Right to Buy) $ 2.46             07/01/2004 06/30/2014 U.S. Energy Common Stock 125,000   125,000 (11) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
LARSEN KEITH G
877 NORTH 8TH WEST
RIVERTON, WY 82501
  X     PRESIDENT and COO  

Signatures

 By: Robert Scott Lorimer Attorney in Fact   03/11/2005
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Surrendered shares for payment of exercise of options.
(2) Includes 60,039 shares held directly by the Reporting Person.
(3) Includes 8,820 shares issued under the USEG Restricted Stock Bonus Plan which are subject to forfeiture by the Reporting Person. The forfeitable shares issued the plan are deemed 'earned out' by the Reporting Person: (i) if he is continuously employed by USEG until he retires; (ii) if he becomes disabled; (iii) upon his death, or (iv) if the shares are claimed within three years following the occurrence of (i) (ii) (iii). The treasurer of USEG holds the shares in trust for the benefit of the Reporting Person, while non-employee directors of USEG exercise shared voting and dispositive rights over all forfeitable shares. Distributions to the Reporting Person will not be separately reported. The acquisitions of the shares by the Reporting Person from the Plan are exempt under Rule 16b-3.
(4) Includes 512,359 shares held by Crested Corp. (Crested), a majority-owned subsidiary of USEG. The Reporting Person is an Officer and/or Director of both USEG and Crested and is not a controlling shareholder and does not have or share investment controll over these shares, and therefore does not have a pecuniary interest in the USEG shares held by Crested, under rule 16a-1(a)(2)(iii).
(5) Includes 175,000 shares held by Sutter Gold Mining Company (SGMC), a subsidiary of USEG. The Reporting Person is an Officer and/or Director of both USEG and SGMC and is not a controlling shareholder and does not have or share investment controll over these shares, and therefore does not have a pecuniary interest in the USEG shares held by SGMC, under rule 16a-1(a)(2)(iii).
(6) Includes 125,556 shares held by Plateau Resources Limited (Plateau), a wholly owned subsidiary of USEG. The Reporting Person is an Officer and/or Director of both USEG and Plateau and is not a controlling shareholder and does not have or share investment controll over these shares, and therefore does not have a pecuniary interest in the USEG shares held by Plateau, under rule 16a-1(a)(2)(iii).
(7) Includes 7,500 shares indirectly held by the Reporting Person as Custodian for minor children under the Wyoming Uniform Transfers to Minors Act. The Reporting Person disclaims beneficial and pecuniary interest in these shares.
(8) Includes shares held in the U.S. Energy Corp. Employee Stock Ownership Plan (the 'ESOP') in an account established for the benefit of the Reporting Person.
(9) Includes a balance of shares held in ESOP accounts established to benefit members of the Reporting Persons 'Immediate Family', as that term is defined in Rule 16a-1(e), in accordance with Rule 16a-8(b)(2).
(10) Includes stock options granted under the Issuer's 1998 Incentive Stock Option Plan and exempt under Rule 16b-3.
(11) Includes stock options granted under the Issuer's 2001 Incentive Stock Option Plan and exempt under Rule 16b-3.

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