Anadarko makes fourth major discovery offshore Mozambique with Tubarao

By Phaedra Friend Troy

Its fourth major natural gas discovery offshore Mozambique, US independent Anadarko Petroleum Corporation (NYSE:APC) reported that its Tubarao exploration well discovered more than 110 net feet (34 meters) of natural gas pay in the Offshore Area 1 of the Rovuma Basin.

The Tubarao discovery well transected natural gas in a high-quality Eocene-age reservoir that is separate and distinct from the three previous discoveries on the block.

"The discovery at the Tubarao prospect opens an entirely new play style, which has additional opportunities in Mozambique's Offshore Area 1," Anadarko Sr. Vice President, Worldwide Exploration Bob Daniels said.

Drilled to a total depth of 13,900 feet (4,237 meters) by the Belford Dolphin drillship, the Tubarao discovery well is situated in waters measure 2,950 feet (898 meters) deep about 18 miles (29 kilometers) from the coast of Mozambique. Anadarko may use the Tubarao well for future testing.

“Our seismic imaging indicates Tubarao's areal extent could cover about 15,000 acres that will be better defined with appraisal drilling,” Daniels said. “In addition, we continue to safely enhance our drilling efficiencies, procedures and methodology in Mozambique, as we drilled this well in half the time of our first exploration wells."

Once drilling is complete at the Tubarao, Anadarko plans to mobilize the rig to the Windjammer discovery about 26 miles (42 kilometers) to the northeast to start a coring program and then appraisal drilling in the Windjammer, Barquentine and Lagosta complex.

In 2010, Anadarko announced the first deepwater discoveries offshore Mozambique; Windjammer was discovered in February, Barquentine was discovered in October, and Lagosta was discovered in November.

Anadarko serves as the operator of the Offshore Area 1 with 36.5 percent interest. Project partners include Mitsui with 20 percent, BPRL with 10 percent, Videocon with 10 percent and Cove Energy with 8.5 percent. Empresa Nacional de Hidrocarbonetos holds a 15 percent carried interest through the exploration phase.

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