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 *   Zartler William A 2. Date of Event Requiring Statement (Month/Day/Year) 05/11/2011 3. Issuer Name and Ticker or Trading Symbol NGL Energy Partners LP [NGL] (Last) (First) (Middle) 600 TRAVIS STREET, SUITE 2310 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) HOUSTON, TX 77002 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 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 1,307,992 I See footnote (1)

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
Subordinated Units (2)	  (2)	  (2)	Common Units	1,544,100	$ (2)	I	See footnote (1)

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Zartler William A 600 TRAVIS STREET SUITE 2310 HOUSTON, TX 77002	  X	  X	Â	Â

Signatures

/s/ Sharra Straight, Attorney-in-Fact		05/11/2011
**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)	These units are owned directly by NGL Holdings, Inc., of which the Reporting Person is the sole director. NGL Holdings, Inc. is 100% owned by Denham Commodity Partners Fund II LP, which is managed by its general partner, Denham Commodity Partners GP II LP, which is owned by the employees of Denham Capital Management LP and is controlled by its general partner, Denham GP II LLC, which is in turn also owned by an employee of Denham Capital Management LP. Denham Capital Management LP, of which the Reporting Person is a founder and managing partner, acts as the investment advisor for Denham Commodity Partners Fund II LP. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or any other purpose.
(2)	The Subordinated Units have no expiration date and will convert on a one-for-one basis into Common Units at the end of the subordination period, as described in the Issuer's Registration Statement on Form S-1, as amended (File No. 333-172186), and as set forth in the Issuer's Second Amended and Restated Agreement of Limited Partnership.
  Remarks: Exhibit 24 - Power of Attorney

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