Unocal Completes Appraisal Well at Harvest Deep Shelf Field

Unocal has drilled a successful appraisal well on its Harvest deep shelf field on West Cameron block 44 in the Gulf of Mexico. The Harvest-2 well was drilled to a total depth of 14,322 feet and encountered more than 140 feet of net natural gas pay, including 110 continuous feet of pay in one high-quality interval.

Harvest-2 was drilled more than one-half mile from the Harvest-1 discovery well. Harvest-1 had encountered 70 feet of net gas pay and is currently producing 35 to 40 million cubic feet (mmcf) of gas per day. Unocal said it expects the Harvest-2 well to begin production in mid-December at a rate that is likely to be higher than the Harvest-1 well.

Unocal is also formulating plans for a second appraisal well on West Cameron block 44 in 2004 and evaluating follow-up drilling opportunities on nearby West Cameron blocks 22 and 57.

Unocal is operator of West Cameron block 44 and holds a 41-percent working interest. Co-venturers are Marlin Energy Offshore, LLC, which has a 37-percent working interest; The William G. Helis Company, LLC, with a 20-percent interest; and Houston Energy, LP, which holds the remaining 2 percent.

The company said that it also made a discovery at its deep shelf exploration well on the Red Pepper prospect (High Island block 37). The well found 55 feet of net natural gas pay and began producing 40 days after the rig moved off location. Red Pepper is now flowing at a rate of 25 mmcfd. Unocal has a 36-percent working interest; its co-venturers are Seneca Resources Corporation 25-percent, Fidelity Exploration & Production Company 25-percent, and The William G. Helis Company, L.L.C. 14-percent. The company's exploratory well on the Comanchero prospect on Eugene Island 37 is a dry hole. Unocal will take a pre-tax $2.4 million charge to third quarter earnings for the well.

Unocal currently has four more deep shelf exploration wells drilling -- La Grange (West Cameron 41), House Payment (Eugene Island 40), Acadiana (onshore Louisiana), and Thin Red Line (South Timbalier block 214). Results of these wells should be available by year-end.

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