Lower Tertiary GoM appraisal well confirms Shenandoah oil discovery

Offshore staff

HOUSTON – The Shenandoah 2 deepwater Gulf of Mexico appraisal well has found more than 1,000 net feet (305 net m) of oil pay in multiple Lower Tertiary reservoirs.

The well, in Walker Ridge block 51, was drilled to TD of 31,405 ft (9,572 m) in 5,800 ft (1,768 m) of water and is 1 mi southwest and 1,700 ft down-dip from the Shenandoah 1 discovery well.

Participants in the well include Anadarko Petroleum Corp. (operator, 30%), ConocoPhillips (30%), Cobalt International Energy, L.P. (20%), Marathon Oil Corp. (10%), and Venari Resources LLC (10%).

“The successful Shenandoah-2 well marks one of Anadarko's largest oil discoveries in the Gulf of Mexico, with more than 1,000 net feet of oil pay and reservoir rock and fluid properties of much higher quality than previously encountered by industry in Lower Tertiary discoveries,” said Bob Daniels, Anadarko Sr. VP Deepwater and International Exploration. “With ownership in the successful Shenandoah wells, the adjacent Yucatan prospect, and the very encouraging results from the nearby Coronado well, Anadarko is strategically positioned in the Shenandoah Basin, which has the potential to become one of the most prolific new areas in the deepwater Gulf of Mexico.”


Shanandoah 2 confirmation well map

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