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 *
RCH Energy Opportunity Fund II L P
   2. Issuer Name and Ticker or Trading Symbol
CREDO PETROLEUM CORP [CRED] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
3953 MAPLE AVENUE, SUITE 180		 3. Date of Earliest Transaction (Month/Day/Year)
04/01/2011
(Street)

DALLAS, TX 75219		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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
Common Stock 04/01/2011   J(1)   1,150,000 (2) D $ 0 0 D  

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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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
RCH Energy Opportunity Fund II L P
3953 MAPLE AVENUE, SUITE 180
DALLAS, TX 75219		     X    
RCH Energy Opportunity Fund II GP, LP
3953 MAPLE AVENUE, SUITE 180
DALLAS, TX 75219		     X    

Signatures

 RCH ENERGY OPPORTUNITY FUND II, L.P. By: RCH Energy Opportunity Fund II GP, L.P., its general partner By: RR Advisors, LLC, its general partner By: /s/ W. Mark Meyer, President   04/05/2011
**Signature of Reporting Person Date
 RCH ENERGY OPPORTUNITY FUND II GP, L.P. By: RR Advisors, LLC, its general partner By: /s/ W. Mark Meyer, President   04/05/2011
**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) Represents a transfer of shares owned by RCH Energy Opportunity Fund II, L.P. ("RCH Fund II") to its affiliate RCH Energy SSI Fund, L.P. ("RCH SSI Fund") in connection with a restructuring of RCH Fund II.
(2) RCH Fund II directly beneficially owns all of the securities identified herein. RCH Energy Opportunity Fund II GP, L.P. ("RCH Fund II GP") may be deemed to indirectly beneficially own such securities because RCH Fund II GP is the general partner of RCH Fund II. At the time of the transaction reported herein, RCH Fund II and RCH Fund II GP may have been deemed to constitute a Section 13(d) group with respect to the issuer with Robert J. Raymond, RR Advisors, LLC, RCH Energy Opportunity Fund III, L.P. and RCH Energy Opportunity Fund III GP, L.P. Each member of such group disclaims beneficial ownership of such securities except to the extent of their respective pecuniary interest therein, and nothing in this report shall be deemed an admission of beneficial ownership of such securities for purposes of Section 16 or for any other purpose.

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