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Development and evaluation of technology for methane production from a deep coal seam in the Piceance Basin. Annual report, June 1, 1985-May 31, 1986

Technical Report ·
OSTI ID:7148946
; ; ;
The Red Mountain Site, leased and operated by Resource Enterprises, Inc. is the focus of a six-year, multi-well project with a main objective to develop, improve, evaluate and communicate the technology required to produce gas from deeply buried coal. To understand the parameters controlling coalbed gas production, project efforts are focused on a single coal reservoir (the Cameo Coal 'D' Seam) at the test site. Last year, 1 Deep Seam was stimulated with a nitrogen foam fracture. Post-stimulation stabilized gas production is approximately 20 Mcfd, accompanied by water production of 1 Bpd. Extensive pre-frac testing was performed on 2 Deep Seam including step-rate tests, pump-in/flow-back tests, and a 20,000 gallon mini-frac. The well was successfully fracture stimulated with approximately 122,00 gallons of 40-lb linear gel and 260,000 lbs of 20/40 mesh sand. The well stimulation was designed to selectively place the proppant in the D coal seam. Post-stimulation gas production reached over 100 Mcfd; however, it has declined to 40 Mcfd at present. A horizontal drainhole will be attempted in 3 Deep Seam. The overall objective is to test and evaluate the effectiveness of drainhole completion technology in a coal reservoir.
Research Organization:
Resource Enterprises, Inc., Grand Junction, CO (USA)
OSTI ID:
7148946
Report Number(s):
PB-87-121034/XAB
Country of Publication:
United States
Language:
English

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Related Subjects

01 COAL, LIGNITE, AND PEAT
010500 -- Coal
Lignite
& Peat-- Products & By-Products
03 NATURAL GAS
030900* -- Natural Gas-- Artificial Stimulation
Plowshare-- (-1989)
ALKANES
COAL DEPOSITS
COAL SEAMS
COMMINUTION
ENERGY SOURCES
ENGINEERING
FLUIDS
FOSSIL FUELS
FRACTURING
FUEL GAS
FUELS
GAS FUELS
GASES
GEOLOGIC DEPOSITS
HYDRAULIC FRACTURING
HYDROCARBONS
METHANE
MINERAL RESOURCES
NATURAL GAS
ORGANIC COMPOUNDS
PICEANCE CREEK BASIN
RECOVERY
RESERVOIR ENGINEERING
RESOURCES
STIMULATION
WELL STIMULATION