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Image courtesy of Chevron.

Chevron made a “significant” oil discovery Tuesday at the deepwater Anchor prospect in the U.S. Gulf of Mexico.

The well, currently known as Well No.2, encountered oil pay in multiple Lower Tertiary Wilcox Sands.

Well No. 2 is located in the Green Canyon Block 807 about 140 miles off the coast of Louisiana in 5,183 feet of water.

The well was spudded in August 2014 and was drilled to a depth of 33,749 feet by Pacific Drilling’s Pacific Santa Ana drillship.

Appraisal drilling is expected start in 2015.

Anchor is Chevron’s second deepwater U.S. Gulf of Mexico discovery in less than a year.

“We had one of our best years with the drill bit in 2014, reporting more than 30 discoveries worldwide and adding an estimated one billion barrels of new resources to our holdings,” Chevron senior vice president of upstream Jay Johnson said.

Chevron subsidiary Chevron U.S.A. operates the Anchor prospect with a 55 percent working interest.

Houston-based Cobalt International Energy 20 percent interest, Samson Offshore Anchor LLC holds a 12.5 percent interest and Venari Resources LLC holds a 12.5 percent interest.