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The AAPG/Datapages Combined Publications Database
Showing 3,253 Results. Searched 200,619 documents.
Vitrinite Reflectance of Coals from the Heath Formation, Central Montana: ABSTRACT
John A. Daniel, Gary A. Cole
AAPG Bulletin
.... Since vitrinite reflectance is a method of determining thermal maturation of organic material in sediments (in this case, a thin coal seam near the base...
1983
Origin of Coal Seam Structures, Sullivan County, Indiana: ABSTRACT
Scot C. Adams, Gunnar Kullerud
AAPG Bulletin
...Origin of Coal Seam Structures, Sullivan County, Indiana: ABSTRACT Scot C. Adams, Gunnar Kullerud 1983 1452 1452 67 9. (September) Structures...
1983
Abstract: Mineral-Catalyzed Formation Of Natural Gas During Coal Maturation, by S. J. Butala, J. C. Medina, M. L. Lee, S. A. Felt, T. Q. Taylor, D. B. Andrus, C. H. Bartholomew, P. Yin, and R. C. Surdam; #90937 (1998)
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1998
Petrologic and Chemical Characteristics of Deep-Subsurface Wilcox (Eocene) Lignites from East and East-Central Texas: ABSTRACT
C. M. Jones, S. J. Tewalt
AAPG Bulletin
... and trace element concentrations. Most seams are low in sulfur, except for a seam underlying a marine unit at the top of the Wilcox, in which the dry...
1984
Rank of British Coalfields in Relation to Geothermal History and Geologic Structure: ABSTRACT
D. G. Murchison, A. C. Raymond, A. H. V. Smith
AAPG Bulletin
... have been prepared from coalfield seam maps, originally constructed from coal chemical parameters, using what are now acceptable chemical parameter...
1984
Applied Depositional Modeling for Developing Western Coal Deposits: ABSTRACT
J. M. Mercier, R. D. Tifft, III, G. E. Vaninetti
AAPG Bulletin
... with reduced seam thicknesses. The immediate association of marine-deposited strata and coal commonly results in higher sulfur values at the contacts...
1984
Computerized Coal-Quality Prediction from Digital Geophysical Logs: ABSTRACT
D. L. Nations, D. E. Tabet, C. R. Gerould
AAPG Bulletin
... of the coal seam. Standard curve-fitting techniques were then employed to determine which log response parameter most accurately predicted the various...
1984
Petrographic Characterization of Coals in Kozlu and Kilic Formations (Westphalian A), Zonguldak, Turkey: ABSTRACT
Selami Toprak, Maurice Deul
AAPG Bulletin
... as well as virtinertite microlithotypes suggests a lacustrine depositional environment for the coals. Successive coal seams, or even a single coal seam...
1984
Fibrous Calcium Sulfate in Veins: ABSTRACT
Hans-G. Machel
AAPG Bulletin
... of the veins, vertical fibers, a parting separating a lower from an upper seam, incorporated wall-rock fragments), but several observations are new...
1985
Chemical and Petrographic Characterization of Drill Core from Beluga Coalfield: ABSTRACT
P. D. Rao, J. S. Youtcheff, J. E. Smith
AAPG Bulletin
... analyses showed less drastic variations within a seam. The wide variation in ash composition, particularly of iron and silica, among others...
1985
Abstract: Mineral-Catalyzed Formation Of Natural Gas During Coal Maturation, by S. J. Butala, J. C. Medina, M. L. Lee, S. A. Felt, T. Q. Taylor, D. B. Andrus, C. H. Bartholomew, P. Yin, and R. C. Surdam; #90928 (1999).
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1999
Abstract: Basic Log Analysis In Coalbed Methane Exploration, by T. Campen and B. Campen; #90919 (1999).
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1999
Abstract: Geological Risk Assessment of Coalbed Methane Prospects, by Moore, Thomas R.; #90031 (2004)
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2004
Abstract: Use of Pre-existing Coal Mine Maps and Drill Holes for Coal Bed Methane Exploration
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N/A
Abstract: First Coalbed Methane Commercial Exploration in East Kalimantan, Indonesia, by Fikri M. Fiqih and Adi Purwanto; #90124 (2011)
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2011
Abstract: Reliable Sweet Spot Identification from Seismic - Case Studies from Around the World, by Ralf Oppermann; #90179 (2013)
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2013
Comparison of hydraulic stimulation methods of coals and carbonaceous shales in the Cherokee Basin
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N/A
ABSTRACT: Methane of the Donbas: A Future of Ukraine's Energy Sector; #90007 (2002)
Boris Semenovich Panov, O. V. Chayka, O. A. Shevchenko
Search and Discovery.com
... closures of folds, seam bends (flexures), and zones of intense fracturing, etc. are the most promising for methane exploration. The most favorable...
Unknown
ABSTRACT: Petrographic Characterization of Coals of the Semirara Formation in Maniguin Wells, Sibay Basin, Central Philippines: A Preliminary Presentation of Results; #90007 (2002)
Monina Tesalona Forbes
Search and Discovery.com
... deposited in paleowet-forest mires with the exception of the uppermost seam. The average maximum reflectance value (Ro) of the ten samples from...
Unknown
ABSTRACT: Coalbed Methane Resource Potential in Canada; #90013 (2003)
J. D. Hughes
Search and Discovery.com
... surrounding resource estimates. First, coal seam thickness, depth, gas content and structural configuration for in situ volume estimation. Second, critical...
2003
ABSTRACT: Characterization of the Coalbed Methane Potential in the Western Canada Sedimentary Basin: Evidence from the Upper Cretaceous Horseshoe Canyon Formation of South-Central Alberta; #90013 (2003)
Dwayne F. Giggs, S. George Pemberton
Search and Discovery.com
... production potential of the coal seams and the effects of the inter-seam strata on this production. The research strategy uses an integrated approach...
2003
ABSTRACT: Geology and Production Characteristics of Nora CBM Field, Dickenson, Russell, Wise and Buchanan Counties, Virginia; #90019 (2003)
Craig A. Eckert, Michael J. Kovarik
Search and Discovery.com
... recently into multiple stage jobs where thick coals can be staged alone. Presently, mapping of net total seam thickness of the numerous coal seams...
2003
ABSTRACT: Coal-Bed Methane Activity in the Illinois Basin An Update; #90019 (2003)
Steven A. Tedesco
Search and Discovery.com
... to moderate gas contents that vary across the basin. Completion practices have gone from historically single seam to multiple seams. The coal seams...
2003
ABSTRACT: Unconventional Drilling Methods for Unconventional Reservoirs; #90019 (2003)
Douglas R. Wight
Search and Discovery.com
...-Pinnate well drilled in a coal seam can deplete 1200 acres from a single small wellsite and typically recover 85 to 90 percent of the gas in place...
2003
ABSTRACT: Unconventional Drilling Methods for Unconventional Reservoirs; #90020 (2003)
Doug R. Wight
Search and Discovery.com
... method. A Z-Pinnate well drilled in a coal seam can deplete 1200 acres from a single small wellsite and typically recover 85 to 90 percent of the gas...
2003