Mariner Energy L.L.C.

Public Company, Headquarters Location
One Briar Lake Pz., Ste. 2000, 2000 W Sam Houston Pwky. S, Houston, TX 77042-3622, United States
(713)954-5500, (713)954-5555 fax, http://www.mariner-energy.com

Primary SIC: Crude Petroleum And Natural Gas, Primary NAICS: Crude Petroleum and Natural Gas Extraction
Description: NYSE-listed Mariner Energy Inc., incorporated in August 1983 in Delaware, is an independent oil and gas exploration, development and production company. Headquartered in Houston, Texas, Mariner Energy currently operates in three principal geographic areas: Permian Basin, in which the company is an active driller in the prolific Spraberry field at depths between 6,000 and 10,000 feet; Gulf of Mexico Deepwater, in which the company has actively conducted exploration and development projects since 1996 in water depths ranging from 1,300 to 7,000 feet; and the Gulf of Mexico Shelf, in which the company drills or participates in conventional shelf wells and deep shelf wells extending to 1,300 foot water depths. During 2008, Mariner Energy produced approximately 118.4 Bcfe (billions of cubic feet equivalent) and the average daily production rate was 323 MMcfe (millions of cubic feet equivalent) per day. As of December 31, 2008, the company had 973.9 Bcfe of estimated proved reserves, of which approximately 57 percent were natural gas and 43 percent were oil, natural gas liquids and condensate. Approximately 70 percent of Mariner Energy's estimated proved reserves were classified as proved developed.Mining: Oil and gas exploration and production.