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The AAPG/Datapages Combined Publications Database
Showing 26,134 Results. Searched 200,635 documents.
Mesozoic-Cenozoic Detrital Record of the Circum-Gulf of Mexico: Implications for Clastic Reservoir Quality Assessment
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Assessing HPHT Sandstone Reservoir Quality: Identifying the Reality
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ABSTRACT From Radiolarian Ooze to Reservoir RocksMicroporosity in Chert Beds in the Upper Devonian-Lower Mississippian Woodford Shale in Oklahoma and Implications for Gas Storage, #90104 (2010)
Fishman Neil; Ellis Geoffrey S.; Paxton Stanley T.; Abbott Marvin M.; Boehlke Adam R.
Search and Discovery.com
... lithofacies that display different characteristics. Cherts (>90 wt% quartz, <5 wt% clays) have an average TOC content of 4.5%. Quartz occurs...
2010
Abstract: MineralogicalVariations in Mudstone Dominated Clinoforms, Central Alberta, Canada; #90187 (2014)
Dallin P. Laycock, Per K. Pedersen, and Ron J. Spencer
Search and Discovery.com
..., with varying amounts of quartz, calcite, and clay minerals. These variations demonstrate that significantly distinct sedimentary processes or sources...
2014
Abstract: Litho Facies And Semi-Quantitative Analysis By X-Ray Diffraction/Scanning Electron Microscopy For Evaluating The Impact Of Mineralogy On Reservoir Quality Of Organic Shale In Cambay Basin; #90315 (2017)
P.T. Prathimon, Swati Sharma, Amrita Roy, Prashanthi M, Niraj Gamit, B. K. Jha, Jagmohan Singh
Search and Discovery.com
.... The detrital assemblages in the studied Cambay Shale samples, as determined from thin section and qualitative X-Ray Diffraction analyses comprise quartz...
2017
Abstract: The Presence of Microcrystalline Quartz and Chlorite as Driving Factors for Porosity Preservation and Reservoir Quality in the Lewis Shale, Great Divide Basin and Wamsutter Arch, Wyoming; #91206 (2023)
Ligia Carolina Mayorga, Stephen Sonnenberg
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...Abstract: The Presence of Microcrystalline Quartz and Chlorite as Driving Factors for Porosity Preservation and Reservoir Quality in the Lewis Shale...
2023
Precambrian Rocks of the Llano R
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From Mud to Shale: the Role of Microquartz Cementation; #50206 (2009)
Jens Jahren, Brit Thyberg, Øyvind Marcussen, Turid Winje, Knut Bjørlykke, and Jan Inge Faleide
Search and Discovery.com
... measurements. The transformation processes is, however, poorly understood. New discoveries of fine-grained micropore filling quartz cement found in Upper...
2009
Anadarko Woodford Shale: Improving Production by Understanding Lithologies/Mechanical Stratigraphy and Optimizing Completion Design; #80288 (2013)
Craig D. Caldwell and Philip G. Johnson
Search and Discovery.com
... of the play. Seven mudrock lithologies, defined on the basis of percent quartz, clay, dolomite, and TOC, make up the 15 lithostratigraphic units...
2013
Diagenesis and reservoir quality of lacustrine deep-water gravity-flow sandstones in the Eocene Shahejie Formation in the Dongying sag, Jiyang depression, eastern China
Tian Yang, Yingchang Cao, Henrik Friis, Keyu Liu, Yanzhong Wang, Lingli Zhou, Guanghui Yuan, Kelai Xi, and Shaomin Zhang
AAPG Bulletin
... of these sandstones has been established by a variety of methods. Petrographically, the sandstones consist mainly of lithic arkose (with 43% of quartz...
2020
History of Burial Diagenesis Determined from Isotopic Geochemistry, Frio Formation, Brazoria County, Texas
K. L. Milliken , L. S. Land , R. G. Loucks
AAPG Bulletin
... data from the literature, indicate that quartz cement formed at 75 to 80°C and kaolinite at approximately 100°C. The zone of most rapid albitization...
1981
Three-dimensional Mechanical Compaction and Chemical Compaction Simulation of the Oligocene Sandstone in Xihu Sag, East China Sea Basin
Wenguang Wang, Chengyan Lin, Jianli Lin, Xianguo Zhang, Chunmei Dong, Lihua Ren
Unconventional Resources Technology Conference (URTEC)
... that there was no correlation between the porosity compaction loss and quartz cement content in different grain size sandstones in the H4 and H5 members, indicating...
2020
Comparative Petrologic Analysis of Argillite and Sandstone from the Bedford Canyon Formation, Santa Monica Slate and Chatsworth Formation Conglomerate Clasts
Eric R. West, Ivan P. Colburn
Pacific Section SEPM
...) that the argillite and the quartz-rich suites of clasts in the Chatsworth Formation conglomerates were derived from either the Santa Monica or northern...
1982
Formation of detrital clay grain coats by dewatering of deep-water sands and significance for reservoir quality
Kristin W. Porten, Michał J. Warchoł, Ian A. Kane
Journal of Sedimentary Research (SEPM)
... sandstones are quartz arenites and subarkoses, with minor to moderate volumes of quartz cement (up to 6%). However, strongly to completely quartz-cemented...
2019
Chert in the Middle Silurian Fossil Hill Formation of Manitoulin Island, Ontario
Betty E. Eley, Robert K. Jull
CSPG Bulletin
... polarizers, 25. Fig. 3. Replacement quartz in bryozoan (lower right) and crinoid fragments; syntaxial rims are visible around crinoid plates. Matrix...
1982
Depositional Environments and History of the Winnipeg Group (Ordovician), Williston Basin, North Dakota
Jonathan B. Ellingson, Richard D. LeFever
Williston Basin Symposium
...) There are two lithofacies identified in this study within the Hawkeye Valley Member: a red-bed lithofacies and a green quartz wacke...
1995
Petrographic and Diagenetic Studies of the Reservoir Sandstone of the Malay Basin
Chu Yun Shing
Geological Society of Malaysia (GSM)
... sandstones. The loss of porosity in these sandstones commonly is due to quartz cementation and precipitation of authigenic clays. Mechanical...
1992
Constraints on the Origin of Gold in the Meguma Zone, Ecum Secum area, Nova Scotia
M. N. Henderson, J. R. Henderson
Atlantic Geology
... Henderson Geological Survey of Canada 601 Booth St., Ottawa, Ontario K1A 0E8 Gold occurs mainly in laminated bedding-parallel quartz veins...
1986
Proximal to Distal Variability of Mississippian Lithofacies, Diagenetic Processes, and Reservoir Quality within a Mixed Siliciclastic-Carbonate System, Northern and Central Oklahoma, USA
Fnu Suriamin, Matthew Pranter
Unconventional Resources Technology Conference (URTEC)
...), compaction, quartz cement, diagenetic silica, and secondary porosity. At the proximal area, the reservoir typically occurs at the top of the shallowing...
2020
Early Diagenetic Silica Deposition in Algal Cysts and Spores: A Source of Sand in Black Shales?
Jurgen Schieber
Journal of Sedimentary Research (SEPM)
... and megaquartz, and single quartz crystals. Chalcedonic cyst fillings are preserved best in cheat and phosphate nodules, whereas megaquartz...
1996
Early Mesozoic Paleotectonic-Paleogeographic Reconstruction of the Southern Sierra Nevada Region
J. B. Saleeby, S. E. Goodin, W. D. Sharp, C. J. Busby
Pacific Section SEPM
... QUARTZ MONZONITE, GRANODIORITE, QUARTZ OIORITE, OIORITE ANO GABBRO JURASSIC DIORITE, GABBRO AND QUARTZ DIORITE JURA-TRIAS BITTER SEQUENCE: SILICI C...
1978
Petrology of Some Pennsylvanian Sedimentary Rocks
John C. Ferm
Journal of Sedimentary Research (SEPM)
.... Detrital constituents are quartz (approximately 25%), micaceous metamorphic and sedimentary rock fragments, coarse micas and clays (about 70...
1962
Correlation of Boskydell Sandstone in Southwestern Illinois: GEOLOGICAL NOTES
George A. Desborough
AAPG Bulletin
... (Pennsylvanian) in southwestern Illinois has a marine fauna and contains small quartz pebbles as a conspicuous conglomeratic component in the vicinity...
1959
Environmental Interpretation by Electron Microscopy: Dunvegan Formation, British Columbia: GEOLOGICAL NOTES
Monzer S. Shawa
AAPG Bulletin
.... (March) Quartz grains from the Dunvegan Formation in the Liard basin exhibit surface textures such as straight grooves, V-shaped patterns, graded arcs...
1973
Grain Assemblages in Organic-Rich Mudstones Dominated by Extrabasinal Sediment Sources, Yanchang Formation (Triassic), Ordos Basin, China, # 51203 (2015).
Kitty Milliken, Xiangzeng Wang, Ying Shen, Quansheng Liang, Tongwei Zhang, Bob Loucks, Harry Rowe
Search and Discovery.com
... the basin of deposition, and hence, these mudstone are ‘tarls’ (terrigenous argillaceous rocks). Major extrabasinal grains include K-rich clay, quartz...
2015