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Chevron announces successful appraisal of Anchor discovery in deepwater Gulf of Mexico

Chevron has announced the successful appraisal of the Anchor discovery in the Lower Tertiary Wilcox Trend. “The positive results of our appraisal work at Anchor indicate a significant discovery of potentially hub class scale,” Jay Johnson, Executive Vice President Upstream at Chevron, said.

The original Anchor discovery well, located in Green Canyon Block 807, approximately 140 miles (225 km) off the coast of Louisiana in 5,180 ft of water (1,579 m), was drilled in late 2014 to a depth of 33,750 ft (10,287 m). It encountered 690 ft (210 m) of net oil pay.

Appraisal drilling began in June and recently found 694 ft (211 m) of net oil pay. To date, Chevron has confirmed a hydrocarbon column of at least 1,800 ft (549 m) in the Lower Tertiary Wilcox reservoirs at Anchor. Complete appraisal of the field will require further delineation wells and technical studies.

“After the success of the discovery well announced earlier this year, we have pursued appraisal work to further evaluate the results and assess development alternatives to optimize value creation,” Jeff Shellebarger, President of Chevron North America Exploration and Production, added.

Chevron subsidiary Chevron USA is the operator of the Anchor Prospect, with a 55% working interest. Anchor co-owners are Cobalt International Energy, (20%), Samson Offshore Anchor (12.5%) and Venari Resources (12.5%).

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