Ophir Drills Third Gas Discovery Offshore Tanzania

Ophir announced it has made a third Tanzanian gas discovery with the Chaza-1 well, located in Block 1 about 11 miles (18 kilometers) offshore southern Tanzania in a water depth of about 3,117 feet (950 meters). Drilled by the Deepsea Stavanger semisub, the discovery is situated nearly 124 miles (200 kilometers) south of the Pweza and Chewa discoveries.

These three discoveries form part of an initial work program planned for Blocks 1, 3 and 4, which also includes the acquisition of a minimum of 988,422 acres (4,000 square kilometers) of 3D seismic data. BG Group, holding a 60% working interest in the license, has the option to assume operatorship of all three blocks upon completion of the initial work program.

To date, 790,737 acres (3,200 square kilometers) of 3D seismic has been acquired in Blocks 3 and 4, and a second 3D survey of 444,790 acres (1,800 square kilometers) is nearing completion in Block 1. The operator plans to commence a second drilling campaign in late 2011.  

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