Marathon Oil U.K. Ltd. and partners have gauged the first reported hydrocarbon strike in St. George's Channel between Wales and Ireland. Marathon completed two tests of its 103/1-1 frontier wildcat, drilled in 318 ft of water to target formations below 7,500 ft. The first test of 124 ft of Jurassic perforations flowed at a stabilized rate of 21 MMcfd of gas, 120 b/d of 42 gravity liquid hydrocarbons, and 55 b/d of water through a 72/64 in. choke with 800 psi flowing tubing pressure. Analysis showed most of the water was from drilling fluids. A second test included the first interval and another 15 ft of perforations...

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