FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF 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 *   SemStream, L.P. 2. Date of Event Requiring Statement (Month/Day/Year) 11/01/2011 3. Issuer Name and Ticker or Trading Symbol NGL Energy Partners LP [NGL] (Last) (First) (Middle) TWO WARREN PLACE, 6120 S. YALE AVENUE, SUITE 700 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) TULSA, OK 74136-4216 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 Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common units representing limited partner interests 8,932,031 (1) D (2) Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
SemStream, L.P. TWO WARREN PLACE 6120 S. YALE AVENUE, SUITE 700 TULSA, OK 74136-4216	Â	  X	Â	Â
SemOperating G.P., L.L.C. TWO WARREN PLACE 6120 S. YALE AVENUE, SUITE 700 TULSA, OK 74136-4216	Â	  X	Â	Â
SemGroup Corp TWO WARREN PLACE 6120 SOUTH YALE AVENUE, SUITE 700 TULSA, OK 74136-4216	Â	  X	Â	Â

Signatures

/s/ Robert N. Fitzgerald, Senior Vice President and CFO of SemGroup Corporation, sole member of SemOperating G.P., L.L.C, general partner of SemStream, L.P.		11/14/2011
**Signature of Reporting Person		Date
/s/ Robert N. Fitzgerald, Senior Vice President and CFO of SemGroup Corporation, sole member of SemOperating G.P., L.L.C		11/14/2011
**Signature of Reporting Person		Date
/s/ Robert N. Fitzgerald, Senior Vice President and CFO of SemGroup Corporation		11/14/2011
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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)	SemStream, L.P. acquired these securities on November 1, 2011, as part of the consideration for SemStream, L.P.'s sale of substantially all of its assets to NGL Supply Terminal Company, LLC, a subsidiary of the Issuer.
(2)	These common units are indirectly owned by SemOperating G.P., L.L.C., the sole general partner of SemStream, L.P., and by SemGroup Corporation, the sole limited partner of SemStream, L.P. and the sole member of SemOperating G.P., L.L.C. These entities may be deemed to be indirect beneficial owners of the reported securities.

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