3 edition of Site-specific and regional geologic considerations for coalbed gas drainage found in the catalog.
Site-specific and regional geologic considerations for coalbed gas drainage
W. P. Diamond
Bibliography: p. 22-24.
|Statement||by W.P. Diamond.|
|Series||Information circular ;, 8898, Information circular (United States. Bureau of Mines) ;, 8898.|
|LC Classifications||TN295 .U4 no. 8898|
|The Physical Object|
|Pagination||24 p. :|
|Number of Pages||24|
|LC Control Number||82600254|
Production Performance Analysis for Multi-Branched Horizontal Wells in Composite Coal Bed Methane Reservoir Considering Stress Sensitivity A Parametric Study of the Effects of Coal Seam Properties on Gas Drainage Efficiency,” Part 1-Analytical Considerations,”. Ch. Joslyn Creek steam-assisted gravity drainage: geologic considerations related to a surface steam release incident, Athabasca oil sands area, Northeastern Alberta, Canada / Frances J. Hein and Brent Fairgrieve.
of coal and the greater the depth of coal, the higher is the coal’s gas content. Actual gas contents of various coal seams to mineable depths of ft ( m) indicate a range of 35 ft3/t (1 25 m3/t). Methane is the major component of coal bed methane (CBM), accounting for 80 95%. The balance is made up of ethane, propane. GEOLOGIC STRUCTURE The structural geology of the four anthracite coal fields within the folded and faulted Valley and Ridge Province is much more complex than the relatively flat-laying strata of most of the bituminous coal fields within the Allegheny Plateau of western Pennsylvania, shown on Figures. and
Initial gas-in-place and gas remaining within the drainage area for each GGV after mining of the E-1 panel indicated initial gas amounts ranging between × 10 6 m 3 and × 10 6 m 3 within the drainage area of GGVs. At the time of panel completion, 60–80% of these quantities were already captured, showing the importance of GGVs for. The San Juan basin leads the nation in coalbed methane production. Production from Fruitland coal beds has increased from 3 Bcf from coalbed wells in to Bcf from ˜2, wells in , to account for 51% of the basin's total gas production from all .
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Site-specific and regional geologic considerations for coalbed gas drainage. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines,  (OCoLC) The objective of this paper is to provide information on specific geologic factors that should be considered prior to, during, and after the drilling of coalbed gas drainage boreholes.
Many of the commonsense considerations that have been learned through many years of Bureau of Mines experience, but have generally not been reported formally.
SITE-SPECIFIC AND REGIONAL GEOLOGIC CONSIDERATIONS FOR COALBED GAS DRAINAGE By W. Diamond ' ABSTRACT The Bureau of Mines has been involved in the drilling of vertical, horizontal, and directional coalbed gas drainage boreholes for mine safety since In that time, boreholes have been drilled in most of.
Site-specific and regional geologic considerations for coalbed gas drainage. Authors Diamond-WP Source Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, ICNov; Link.
Site-specific and regional geologic considerations for coalbed gas drainage. Abstract "The Bureau of Mines has been involved in the drilling of vertical, horizontal, and directional coalbed gas drainage boreholes for mine safety since In that time, boreholes have been drilled in most of the major coal regions of the United States.
Site-specific and regional geologic considerations for coalbed gas drainage / By W. (William P.) Diamond. Abstract. Bibliography: p. Mode of access: Internet.
Diamond -specific and regional geologic considerations for coalbed gas drainage Information Circular No.US Dept. of Interior, US Bureau of Mines, Pittsburgh, PA () Google Scholar. Diamond, W.P.,Site-specific and regional geologic considerations for coalbed gas drainage: U.S.
Bureau of Mines Information Circular24 p. (Hartshorne. The geologic factors that are discussed in this chapter include stratigraphy, sedimentation, structural geology, hydrology, geothermics, coal quality, and gas storage shown in Fig.
The following sections discuss the relevance of each of these factors to the characterization and development of coalbed methane resources. and composition in the coal seams and surrounding strata, gas drainage designs and techniques, and site-specific geological and mining parameters.
A gas flow rate of l/s has achieved from the post-drainage in an Australian mine, though the gas flow ranges from to. Geologic framework and description of coal-bed gas plays In: National Assess-ment of United States Oil and Gas Resources: Results, Methodology, and Supporting Data Jan D D Rice.
Coal Bed Methane: From Prospect to Pipeline is the proceedings of the 25th anniversary of the North American Coal Bed Methane provides the latest advancements in the production of coal bed methane covering a variety of topics, from exploration to gas processing, for commercial utilization.
This basin contains a giant coalbed gas play, the Fruitland fairway, which has produced more than 7 tcf ( Tm3) of gas. The Fruitland coalbed gas system and its. Site-specific and regional geologic considerations for coalbed gas drainage.
Information circular/ Technical Report Diamond, W P. The Bureau of Mines has been involved in the drilling of vertical, horizontal, and directional coalbed gas drainage boreholes for mine safety since In that time, boreholes have been drilled in most of the. Washington, DC: U.S.
Department of the Interior, Bureau of Mines, Bulletin Diamond WP . Pertimbangan lokasi tertentu dan geologi wilayah untuk drainase gas lapisan batu bara [Site-specific and regional geologic considerations for coalbed gas drainage].
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, IC Precambrian basement. On the east flank, regional dip is about ft/mi to the west but increases to about ft/mi along the west limb of the Black Hills monocline; on the west flank, regional dip is about ft/mi but decreases to less than 50 ft/mi north of the Wyoming-Montana border (figs.
1 and 3). Considerations related to drilling methods in planning and performing borehole-geophysical logging for ground-water studies / (Denver, Colo.: U.S. Dept. of the Interior, U.S. Geological Survey: Books and Open-File Reports Section [distributor], ), by Richard E.
Hodges, Warren E. Teasdale, and Geological Survey (U.S.) (page images at. Coal-Bed Methane Gas-In-Place Resource Estimates Using Sorption Isotherms and Burial History Reconstruction L3 • Prior tothere was little coal-bed methane production in the United States.
• Between andindustry drilled ~ 6, coal-bed methane wells (Schraufnagel and Schafer, ). COALBED METHANE Coals can act as both a source rock of natural gas and as a reservoir rock.
When this is the case, coalbed methane "coal gas" can be produced8. The gas is generated from the woody organic matter that forms the coals. At shallow burial depths, relatively low volumes of gas may be generated by bacterial processes within the coals.
Stratigraphy and geologic structure determine the shape, continuity and permeability of coal and are therefore critical considerations for designing exploration and production strategies for coalbed methane. Coal in the United states is dominantly of Pennsylvanian, Cretaceous and Tertiary age, and to date, more than 90% of the coalbed methane produced is from.
Horizontal methane drainage borehole completion designs, drilling strategies, and degasification lead times may need to be adjusted for site-specific conditions due to mine design, geology, and the gas content of the coalbed.
This study investigates different horizontal methane drainage borehole patterns, borehole lengths, and degasification.The U.S. Geological Survey, in partnership with the U.S. Bureau of Land Management, the North Slope Borough, and the Arctic Slope Regional Corporation conducted a four-year study designed to identify, define, and delineate a shallow coalbed natural gas (CBNG) resource with the potential to provide locally produced, affordable power to the community of Wainwright, Alaska.Coalbed gas contents also decrease southward in the play and project economics become progressively leaner.
In these areas there is an additional need to focus development by locating production sweet-spots, or "fairways," quickly.
Because of these factors, Texaco used seismic to help guide its most recent development activity in the play.