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The AAPG/Datapages Combined Publications Database

AAPG Bulletin


Volume: 55 (1971)

Issue: 8. (August)

First Page: 1392

Last Page: 1392

Title: Peoria Field, Arapahoe County, Colorado: ABSTRACT

Author(s): George D. Ecker, Jr.

Article Type: Meeting abstract


The Peoria field, approximately 40 mi east of Denver in Arapahoe County, Colorado, is in the south-central part of the Denver-Julesburg basin. The field was discovered in July 1970 by Tom Vessels in partnership with Amoco Production Company (Pan American Petroleum Corporation). The discovery was drilled in an attempt to extend the prolific production developed in the 1950s in Washington County southwestward into Arapahoe County. As of March 1, 1971, the field had 53 wells producing from the Lower Cretaceous "J" sandstone. Cumulative production was 742,000 bbl of oil. Development drilling is still being conducted.

Production in Peoria is from a Lower Cretaceous Muddy "J" channel sandstone, with a maximum thickness of 45 ft. Average porosity values are 14.7% with permeabilities averaging 200 md and ranging as high as 1,400 md.

Relatively shallow drilling depths (top of pay at 6,500 ft), inexpensive drilling costs, and high yield wells have been the stimulus for extensive drilling activity in the south-central Denver-Julesburg basin.

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