Item 1.01. Entry into a Material Definitive Agreement.

On August 11, 2008, EV Properties, L.P., a partnership wholly owned by EV Energy Partners, L.P., entered into a definitive purchase and sale agreement with EnerVest Energy Institutional Fund IX, L.P. and EnerVest Energy Institutional Fund IX-WI, L.P. ("Fund IX") to acquire certain oil and gas properties located in the San Juan Basin in Colorado and New Mexico for a total purchase price of $142.1 million from Fund IX. The acquisition, which is expected to close in September, 2008, is subject to customary closing conditions and purchase price adjustments. A wholly owned subsidiary of EnerVest, Ltd. is the general partner of the general partner of EV Energy Partners and another wholly owned subsidiary of EnerVest, Ltd. is the general partner of Fund IX.

Item 7.01 Regulation FD Disclosure.

The following information is being furnished pursuant to Item 7.01 "Regulation FD Disclosure." This information shall not be deemed "filed" for purposes of
Section 18 of the Exchange Act or incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

On August 11, 2008, the Partnership issued a press release announcing its second quarter 2008 results, agreements to acquire natural gas and oil properties and an anticipated distribution increase. A copy of the press release is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated by reference.

Item 9.01 Financial Statements and Exhibits. (Information furnished in this Item 9.01 is furnished pursuant to Item 7.01.)

(d) Exhibits.

99.1 News Release of EV Energy Partners, L.P. dated August 11, 2008

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