Offshore staff

NEW ORLEANS –McMoran Exploration Co. has completed a successful production test on the Flatrock discovery on OCS 310 at South Marsh Island block 212. The test indicated 71 MMcf/d of natural gas and 739 b/d of condensate on 37/64th choke with flowing tubing pressure of 8,520 psi (58.74 MPa).

Drilled to TD of 18,400 ft (5,608 m), the discovery found eight zone totaling 260 ft of hydrocarbon bearing sands over a 637-ft interval including five zones in the Rob-L and three in the Operc section. The production test was in the Operc section.

An offset, Flatrock B, is under way one mile northwest of the discovery. A third well is scheduled before year end.

10/22/2007