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MARATHON SUCCESSFULLY TESTS SOUTH PASS 87 DELINEATION WELL; RESERVE ESTIMATES FOR THE AREA REACH 80-100 MMBOE

 MARATHON SUCCESSFULLY TESTS SOUTH PASS 87 DELINEATION WELL;
 RESERVE ESTIMATES FOR THE AREA REACH 80-100 MMBOE
 HOUSTON, July 17 /PRNewswire/ -- Marathon Oil Company (NYSE: MRO) today announced that a fourth well on its South Pass 87 Block in the Gulf of Mexico tested at a daily rate of 2,590 barrels of 35.7-degree API gravity crude oil and 4.6 million cubic feet of natural gas at a flowing tubing pressure of 4,106 psi on a 22/64-inch choke.
 The well encountered 90 feet of oil pay in Pliocene sandstones above the apparent water-oil contact and tested from 28 feet of perforations. The well established a proven hydrocarbon column extending over a minimum of 1,300 vertical feet of structural interval.
 The South Pass 87 No. 4 well was drilled to a total depth of 18,862 feet from a template at the site of the South Pass 87 No. 2 delineation well.
 Marathon, the operator, estimates that the recoverable reserves from this area of the South Pass 89 Field, which is expected to extend into the adjacent South Pass 88 Block, could approximate 80 to 100 million gross equivalent barrels of oil. These reserves will be developed with first production anticipated in 1994.
 Earlier this year, the South Pass 87 No. 3 delineation well was drilled 3,000 feet due west of the No. 2 template and was suspended as an untested successful delineation well with over 280 feet of hydrocarbon pay.
 South Pass Block 87 is located 38 miles south of Venice, La., in 370 feet of water. It is two miles west of the 20-slot South Pass 86 "C" platform where Marathon and its partners began production in May.
 Marathon has a one-third working interest in South Pass Block 87. Its partners, each with one-third interests, are Amerada Hess Corporation and Box Energy Corporation, formerly OKC Limited Partnership. Marathon also holds a 50 percent interest in the offset blocks, South Pass 88 and West Delta Blocks 128 and 145. Amerada Hess holds the remaining 50 percent.
 -0- 7/17/92
 /CONTACTS: Michael R. Dixon, 713-296-3912, and William P. Ryder, 713-296-3915, both of USX Corporation/
 (MRO X) CO: Marathon Oil Company ST: Texas IN: OIL SU: DSC


CD -- PG007 -- 0168 07/17/92 10:50 EDT
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Publication:PR Newswire
Date:Jul 17, 1992
Words:380
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