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AAPG Bulletin

Abstract


Volume: 25 (1941)

Issue: 7. (July)

First Page: 1363

Last Page: 1395

Title: Geology of Eola Oil Field, Avoyelles Parish, Louisiana

Author(s): Fred W. Bates (2)

Abstract:

Eola, located in the Louisiana Gulf Coast area, in the south-central part of the state, was discovered by S. W. Richardson, in January, 1939. The location of the structure can be attributed solely to geophysics. Principal production is secured from sands at the top of the Sabine Wilcox of the lower Eocene at a depth of about 8,500 feet; commercial oil sands have been logged in some wells in the Cockfield and Sparta. To date, ninety oil wells have been completed from the Wilcox, and three from the Cockfield; twelve dry holes have been drilled on and adjacent to the field. Eola was the first field in the area to produce oil in commercial quantities from the Sabine Wilcox.

Structurally the field appears to be a large nose extending southeast from the Cheneyville salt dome, securing its north-west closure from a very complex system of normal faults. A total relief of about 400 feet on the top of the Wilcox has been established by the drill, with a maximum elevation of 300 feet of the producing sand above its water level.

The field has produced 4,561,544 barrels of oil to December 1, 1940, from about 1,750 acres. The probable ultimate recovery is more than 60 million barrels, indicating Eola to be one of the major petroleum reserves in the area.

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