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Wolverine Gas and Oil’s Covenant Discovery
by
Mike Seal, PTTC Rocky Mountain Region
Utah
currently ranks as number 15 in the oil producing states,
but if there are a few more discoveries like the Wolverine
Gas and Oil Covenant Field in Utah, it could be moving up
in the ratings. As reported in the April edition of the
AAPG Explorer, the Covenant Field discovery in Central
Utah opens up one of the most promising onshore plays in
the United States in recent memory. It also highlights the
importance of the independents to the U.S. Oil and Gas
Industry - Wolverine purchased its acreage from Chevron in
1999 when the majors were pulling out of the Rockies.
Doug Strickland, exploration manager for
Wolverine, is quoted as saying "I honestly expect this to
be a billion-barrel province. I expect we'll find another
10 fields out there." Wolverine's discovery well, the 17-1
Kings Meadow Ranch, hit nearly 500 feet of Navajo
Sandstone pay in Utah's Sevier County in late 2003. This
well was completed and began producing in May 2004. A
second well was completed in September 2004. It was
announced at an SPE workshop in Salt Lake City on May
20th, that these two wells are currently producing 1,600
BOPD and 160 BWPD and to date, they have produced over
376,665 barrels of good quality, 40 degree gravity crude.
The discovery well has produced 273,666 barrels.
Tom Chidsey, petroleum section chief
with the Utah Geological Survey, has provided some
background to this discovery. The last major new oil find
in Utah was the 1975 discovery of the Pineview Field in
the northern part of the state. Pineview has produced over
31 million barrels of oil and is still pumping nearly
15,000 barrels per month. Oil companies
have been exploring central Utah for over 50 years with no
success (58 dry
holes) until now. The major reason for this is the
extremely complex geology of the central Utah thrust belt,
also referred to as the "Hingeline."
cont.
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