Site selection for GRI (Gas Research Institute) cooperative tight-gas-field research. Volume 2. Geologic characteristics of selected low-permeability gas sandstones. Topical report, May-July 1988
Geological, engineering, and economic data on selected formations were compiled to provide a basis for siting the fourth Staged Field Experiment (SFE) for the Tight Gas Sands research program. The geologic units chosen are the Abo, Cleveland, and Frontier Formations, and the Mesaverde Group. Extrapolation potential is good for all formations except the Cleveland, whose thin deltaic package has no good analogy in other low-permeability sandstones. The Abo has the best potential for extrapolation to other low-permeability formations. Average thickness of reservoirs is about 250 ft in the Mesaverde and Abo, 160 ft in the Frontier, and 120 ft in the Cleveland. Deepest production depth varies from 4,750 ft (Abo) to 12,198 ft (Second Frontier sandstone). Estimated resource base ranges from 3 TCF (Abo) to 86 TCF (Mesaverde). Pre-stimulation production ranges from too small to measure (Cleveland, Frontier, Mesaverde) to 314 MCFD (Frontier). Post-stimulation production ranges from 3 MCFD (Mesaverde) to 12,250 MCFD (Cleveland). Permeability ranges from less than 0.0001 md (Frontier) to 1.3 md (Frontier). Natural fractures have been shown to be significant locally in the Mesaverde, but their contribution to reservoir permeability in the other formations is not well-documented.
- Research Organization:
- Texas Univ., Austin (USA). Bureau of Economic Geology
- OSTI ID:
- 6119131
- Report Number(s):
- PB-89-146302/XAB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
NATURAL GAS DEPOSITS
WELL STIMULATION
SANDSTONES
GEOLOGIC SURVEYS
ECONOMIC ANALYSIS
ENGINEERING GEOLOGY
PERMEABILITY
PROGRESS REPORT
DOCUMENT TYPES
ECONOMICS
GEOLOGIC DEPOSITS
GEOLOGY
MINERAL RESOURCES
RESOURCES
ROCKS
SEDIMENTARY ROCKS
STIMULATION
SURVEYS
030900* - Natural Gas- Artificial Stimulation
Plowshare- (-1989)
030300 - Natural Gas- Drilling
Production
& Processing