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Gasbuggy reservoir evaluation - 1969 report

Abstract

The December 10, 1967, Project Gasbuggy nuclear detonation followed the drilling and testing of two exploratory wells which confirmed reservoir characteristics and suitability of the site. Reentry and gas production testing of the explosive emplacement hole indicated a collapse chimney about 150 feet in diameter extending from the 4,240-foot detonation depth to about 3,900 feet, the top of the 300-foot-thick Pictured Cliffs gas sand. Production tests of the chimney well in the summer of 1968 and during the last 12 months have resulted in a cumulative production of 213 million cubic feet of hydrocarbons, and gas recovery in 20 years is estimated to be 900 million cubic feet, which would be an increase by a factor of at least 5 over estimated recovery from conventional field wells in this low permeability area. At the end of production tests the flow rate was 160,000 cubic feet per day, which is 6 to 7 times that of an average field well in the area. Data from reentry of a pre-shot test well and a new postshot well at distances from the detonation of 300 and 250 feet, respectively, indicate low productivity and consequently low permeability in any fractures at these locations. (author)
Authors:
Atkinson, C H; Ward, Don C; [1]  Lemon, R F [2] 
  1. Bureau of Mines, U.S. Department of the Interior (United States)
  2. El Paso Natural Gas Company (United States)
Publication Date:
May 01, 1970
Product Type:
Conference
Report Number:
CONF-700101(vol.1); INIS-XA-N-228
Resource Relation:
Conference: Symposium on engineering with nuclear explosives, Las Vegas, NV (United States), 14-16 Jan 1970; Other Information: 4 refs, 4 figs, 3 tabs; PBD: May 1970; Related Information: In: Symposium on engineering with nuclear explosives. Proceedings. Vol. 1, 871 pages.
Subject:
42 ENGINEERING; CHIMNEYS; EXPLORATORY WELLS; FLOW RATE; GASBUGGY EVENT; HYDROCARBONS; NUCLEAR EXPLOSIONS; PERMEABILITY; PRODUCTIVITY
OSTI ID:
20555841
Research Organizations:
American Nuclear Society, Hinsdale, IL (United States); United States Atomic Energy Commission (United States)
Country of Origin:
IAEA
Language:
English
Other Identifying Numbers:
TRN: XA04N0861010815
Availability:
Available from INIS in electronic form
Submitting Site:
INIS
Size:
page(s) 722-731
Announcement Date:

Citation Formats

Atkinson, C H, Ward, Don C, and Lemon, R F. Gasbuggy reservoir evaluation - 1969 report. IAEA: N. p., 1970. Web.
Atkinson, C H, Ward, Don C, & Lemon, R F. Gasbuggy reservoir evaluation - 1969 report. IAEA.
Atkinson, C H, Ward, Don C, and Lemon, R F. 1970. "Gasbuggy reservoir evaluation - 1969 report." IAEA.
@misc{etde_20555841,
title = {Gasbuggy reservoir evaluation - 1969 report}
author = {Atkinson, C H, Ward, Don C, and Lemon, R F}
abstractNote = {The December 10, 1967, Project Gasbuggy nuclear detonation followed the drilling and testing of two exploratory wells which confirmed reservoir characteristics and suitability of the site. Reentry and gas production testing of the explosive emplacement hole indicated a collapse chimney about 150 feet in diameter extending from the 4,240-foot detonation depth to about 3,900 feet, the top of the 300-foot-thick Pictured Cliffs gas sand. Production tests of the chimney well in the summer of 1968 and during the last 12 months have resulted in a cumulative production of 213 million cubic feet of hydrocarbons, and gas recovery in 20 years is estimated to be 900 million cubic feet, which would be an increase by a factor of at least 5 over estimated recovery from conventional field wells in this low permeability area. At the end of production tests the flow rate was 160,000 cubic feet per day, which is 6 to 7 times that of an average field well in the area. Data from reentry of a pre-shot test well and a new postshot well at distances from the detonation of 300 and 250 feet, respectively, indicate low productivity and consequently low permeability in any fractures at these locations. (author)}
place = {IAEA}
year = {1970}
month = {May}
}