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 * Wallace Gregory C   2. Issuer Name and Ticker or Trading Symbol SemGroup Energy Partners, L.P. [SGLP] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner _____ Officer (give title below) __X__ Other (specify below) Dir. of GP of Issuer (Last) (First) (Middle) 6120 SOUTH YALE AVENUE, SUITE 700 3. Date of Earliest Transaction (Month/Day/Year) 06/20/2008 (Street) TULSA, OK 74136 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 Common units representing limited partner interests 06/20/2008   A   35,000 (1) A $ 0 225,000 D   Common units representing limited partner interests 06/20/2008   A   30,000 (2) A $ 0 255,000 (3) D   Common units representing limited partner interests               20,000 I By Wife Common units representing limited partner interests               10,000 I By Son Common units representing limited partner interests               10,000 I By Daughter

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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
Wallace Gregory C 6120 SOUTH YALE AVENUE SUITE 700 TULSA, OK 74136				Dir. of GP of Issuer

Signatures

/s/ Alex G. Stallings, Attorney-In-Fact For:Gregory C. Wallace		06/27/2008
**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 phantom units awarded under the Type A phantom unit agreement. Each phantom unit awarded is the economic equivalent of one common unit. The phantom units vest in one-third increments on July 23, 2009, July 23, 2010 and July 23, 2011.
(2)	Represents phantom units awarded under the Type B phantom unit agreement. Each phantom unit awarded is the economic equivalent of one common unit. The phantom units vest in one-third increments on July 23, 2009, July 23, 2010 and July 23, 2011.
(3)	The amount of securities owned includes 85,000 phantom units previously awarded to the reporting person. Each phantom unit awarded is the economic equivalent of one common unit. The phantom units vest in one-quarter increments on July 23, 2008, July 23, 2009, July 23, 2010 and July 23, 2011.

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