UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

(Rule 13d-102)

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No.     )*

EV ENERGY PARTNERS, L.P.

(Name of Issuer)

Common Units

(Title of Class of Securities)

26926V107

(CUSIP Number)

March 19, 2013

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

x Rule 13d-1(b)

¨ Rule 13d-1(c)

¨ Rule 13d-1(d)

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act, but shall be subject to all other provisions of the Act (however, see the Notes).

EV Energy Partners, L.P.

1001 Fannin, Suite 800

Houston, Texas

Robert J. Raymond

RR Advisors, LLC

RCH Energy MLP Fund GP, L.P.

RCH Energy MLP Fund, L.P.

RCH Energy MLP Fund-A, L.P.

RCH Energy Opportunity Fund II GP, L.P.

RCH Energy Opportunity Fund II, L.P.

RCH Energy Long Alpha Fund, L.P.

The principal business for all reporting persons:

3953 Maple Avenue, Suite 180

Dallas, Texas 75219

Robert J. Raymond is a citizen of the United States.

RR Advisors, LLC is a Delaware limited liability company.

Each of RCH Energy MLP Fund GP, L.P., RCH Energy MLP Fund, L.P., RCH Energy MLP Fund-A, L.P., RCH Energy Opportunity Fund II GP, L.P., RCH Energy Opportunity Fund II, L.P. and RCH Energy Long Alpha Fund, L.P. is a Delaware limited partnership.

Common Units

26926V107

With respect to the disclosure set forth in this Item 4, each reporting person expressly disclaims (a) the existence of any group and (b) beneficial ownership with respect to any common units other than the common units owned of record by such reporting person. The percent of class provided for each reporting person below is based on 48,349,080 outstanding common units as of November 1, 2013, as reported in the Issuer’s Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2013, filed with the Securities and Exchange Commission on November 12, 2013.

Robert J. Raymond: 3,720,386

RR Advisors, LLC: 3,675,386

RCH Energy MLP Fund GP, L.P.: 2,421,815

RCH Energy MLP Fund, L.P.: 2,394,709

RCH Energy MLP Fund-A, L.P.: 27,106

RCH Energy Opportunity Fund II GP, L.P.: 698,237

RCH Energy Opportunity Fund II, L.P.: 610,491

RCH Energy Long Alpha Fund, L.P.: 87,746

Robert J. Raymond: 7.7%

RR Advisors, LLC: 7.6%

RCH Energy MLP Fund GP, L.P.: 5.0%

RCH Energy MLP Fund, L.P.: 5.0%

RCH Energy MLP Fund-A, L.P.: 0.1%

RCH Energy Opportunity Fund II GP, L.P.: 1.4%

RCH Energy Opportunity Fund II, L.P.: 1.3%

RCH Energy Long Alpha Fund, L.P.: 0.0%

Robert J. Raymond: 45,000

RR Advisors, LLC: 0

RCH Energy MLP Fund GP, L.P.: 0

RCH Energy MLP Fund, L.P.: 0

RCH Energy MLP Fund-A, L.P.: 0

RCH Energy Opportunity Fund II GP, L.P.: 0

RCH Energy Opportunity Fund II, L.P.: 0

RCH Energy Long Alpha Fund, L.P.: 0

Robert J. Raymond: 3,675,386

RR Advisors, LLC: 3,675,386

RCH Energy MLP Fund GP, L.P.: 2,421,815

RCH Energy MLP Fund, L.P.: 2,394,709

RCH Energy MLP Fund-A, L.P.: 27,106

RCH Energy Opportunity Fund II GP, L.P.: 698,237

RCH Energy Opportunity Fund II, L.P.: 610,491

RCH Energy Long Alpha Fund, L.P.: 87,746

Robert J. Raymond: 45,000

RR Advisors, LLC: 0

RCH Energy MLP Fund GP, L.P.: 0

RCH Energy MLP Fund, L.P.: 0

RCH Energy MLP Fund-A, L.P.: 0

RCH Energy Opportunity Fund II GP, L.P.: 0

RCH Energy Opportunity Fund II, L.P.: 0

RCH Energy Long Alpha Fund, L.P.: 0

Robert J. Raymond: 3,675,386

RR Advisors, LLC: 3,675,386

RCH Energy MLP Fund GP, L.P.: 2,421,815

RCH Energy MLP Fund, L.P.: 2,394,709

RCH Energy MLP Fund-A, L.P.: 27,106

RCH Energy Opportunity Fund II GP, L.P.: 698,237

RCH Energy Opportunity Fund II, L.P.: 610,491

RCH Energy Long Alpha Fund, L.P.: 87,746

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following:  ¨

Limited partners of RCH Energy MLP Fund GP, L.P., RCH Energy MLP Fund, L.P., RCH Energy MLP Fund-A, L.P., RCH Energy Opportunity Fund II GP, L.P., RCH Energy Opportunity Fund II, L.P. and RCH Energy Long Alpha Fund, L.P. indirectly participate in the receipt of dividends from, and proceeds from the sale of, the common units. In addition, RR Advisors, LLC serves as investment adviser for certain separately managed accounts, and the holders of the securities in such accounts participate in the receipt of dividends from, and proceeds from the sale of, the common units held therein.

Not Applicable

Not Applicable

Not Applicable

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that effect or purpose, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: February 12, 2014

[Signature Page—Schedule 13G]

[Signature Page—Schedule 13G]