Sec Form 3 Filing - Segundo Navarro Drilling, Ltd. @ Vanguard Natural Resources, LLC - 2009-07-28

FORM 3 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 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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1. Name and Address of Reporting Person Segundo Navarro Drilling, Ltd. 2. Issuer Name and Ticker or Trading Symbol Vanguard Natural Resources, LLC [ VNR] 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) 10101 REUNION PLACE, SUITE 1000 3. Date of Earliest Transaction (MM/DD/YY) 07/28/2009 (Street) SAN ANTONIO, TX78216-4157 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 LLC interests 1,350,873 I See footnote ( 1 )

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 Segundo Navarro Drilling, Ltd. 10101 REUNION PLACESUITE 1000 SAN ANTONIO, TX78216-4157 X Tercero Navarro, Inc. 10101 REUNION PLACE, SUITE 1000 SAN ANTONIO, TX78216-4157 X Lewis Energy Group, L.P. 10101 REUNION PLACE SUITE 1000 SAN ANTONIO, TX78216-4157 X Signatures /s/ Rodney R. Lewis, President of Tercero Navarro, Inc., general partner of Segundo Navarro Drilling, Ltd. 08/14/2009 Signature of Reporting Person Date /s/ Rodney R. Lewis, President, Tercero Navarro, Inc. 08/14/2009 Signature of Reporting Person Date /s/ Rodney R. Lewis, President and Chief Executive Officer of Lewis Energy Group, L.P. 08/14/2009 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The securities of the Issuer reported as beneficially owned in the above table are owned of record by Segundo Navarro Drilling, Ltd. Tercero Navarro Inc. is the sole general partner of Segundo Navarro Drilling, Ltd. Accordingly, Tercero Navarro Inc. may be deemed to be an indirect beneficial owner of any securities held of record by Segundo Navarro Drilling, Ltd. Lewis Energy Group, L.P. is the parent entity of Segundo Navarro Drilling, Ltd. Accordingly, Lewis Energy Group, L.P. may be deemed to be an indirect beneficial owner of any securities held of record by Segundo Navarro Drilling, Ltd.

Remarks: Exhibit ListExhibit 99 - Joint Filer Information

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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