Kosmos Energy hits gas off Mauritania

Kosmos Energy said that the Tortue-1 exploration well, drilled to test the Tortue West prospect, which forms part of the Greater Tortue Complex, in Block C-8 offshore Mauritania has made a significant, play-opening gas discovery.

Based on the preliminary analysis of drilling results and intermediate logging to a depth of 4,630 meters, Tortue-1 has intersected 107 meters of net hydrocarbon pay. A single gas pool was encountered in the primary Lower Cenomanian objective. The Lower Cenomanian is comprised of three excellent quality multi-Darcy reservoirs totaling 88 meters in thickness over a gross hydrocarbon bearing interval of 160 meters. A fourth zone 19 meters thick was penetrated within the secondary Upper Cenomanian target over a gross hydrocarbon bearing interval of 150 meters, the company said in a statement.

An appraisal program is being planned to delineate the Tortue West discovery. In addition, the Marsouin-1 exploration well, located in the central part of Block C-8, is expected to spud in the third quarter of 2015. An exploration program is also being formulated to test the other prospects in the Greater Tortue Complex, which extends into the St. Louis Offshore Profond Block in Senegal, including the Tortue East and Tortue North prospects. In support of this program, a 3D seismic survey acquired over our Senegal blocks in 2014 is currently being processed and interpreted.

Located approximately 285 kilometers southwest of Nouakchott in 2,700 meters of water, and drilled with the Atwood Achiever drillship, the Tortue-1 well is now drilling to the planned total depth of approximately 5,250 meters.

Kosmos currently owns a 90 percent interest in the Tortue Prospect, along with Société Mauritanienne Des Hydrocarbures et de Patrimoine Minier (SMHPM) at 10 percent.

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Image: Atwood Oceanics

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