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Ashley Field Petroleum

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by Stacy Sutliff Johansson on 25 September 2013

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Transcript of Ashley Field Petroleum

Ashley Field
Introduction
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
Structure
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
St
Stratigraphic Column
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
Production Record
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
Recent Activity
There are now 17 producing wells

Presently looking into injecting CO2 into the Weber reservoir, to increase permeability
BY:Stacy Sutliff
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