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Ashley Field Petroleum
Transcript of Ashley Field Petroleum
1900, the first well in the Uinta basin was drilled.
1925 the Ashley Field was found producing gas in commercial amounts
1948, deeper drilling in the Ashley field by the Equity Oil Company resulted in the finding of oil
located 5 mi SE of Vernal, along the south flank of the Uinta Mountains, in the Uinta basin
Cumulative production over 20 million barrels of oil
Principle reservior Pennsylvanian Weber Sandstone
Located on a northwest-southeast plunging antincline on another Blue Mountain anticline
Field closure is about 300ft
Several basement type faults that do not reach the surface
The Uinta Basin formed during the Paleocene or Eocene time, due to subsidance in the central region and uplift around the boundaries
Wells begin in the lower part of the Mancos Shale
Cretaceous- brackish, marine, and terrestrial waters
Jurassic-Alternated between marine and nonmarine environments
Triassic- Marine transgression in conjunction with volcanism south west of the Uinta basin.
Permian-characterized by the Weber Sandstone and the Park City formations. These are the Primary producing horizons.The Weber is of Aeolian deposition
In 1948, the Ashley Field started producing 300bbls of oil per day.
There are now 17 producing wells producing 5000bbls of oil monthly and over 23,000,000bbls of water.
Production as of January 1, 2005, was 20,575,112bbls of oil and 1,315,409,604bbl of water
There are now 17 producing wells
Presently looking into injecting CO2 into the Weber reservoir, to increase permeability