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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(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.
Persons who 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 1474 (9-02)

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.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

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 number.