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The AAPG/Datapages Combined Publications Database
Showing 5,872 Results. Searched 196,426 documents.
Protodolomite Redefined: REPLY
Alan M. Gaines
Journal of Sedimentary Research (SEPM)
...) defined an "ideal dolomite" as "one with a 1:1 molar CaCO3:MgCO3 ratio that gives an X-ray diffraction pattern containing the complete set...
1978
Quartz Cement in Upper Jurassic Brora Formation Sandstone: What Electron Backscatter Diffraction Reveals about Microquartz Coatings
Sasha C. Haddad, Richard H. Worden, David Prior, Craig Smalley
Search and Discovery.com
...Quartz Cement in Upper Jurassic Brora Formation Sandstone: What Electron Backscatter Diffraction Reveals about Microquartz Coatings Sasha C. Haddad...
Unknown
Geologic Interpretation of Argillaceous Sediments: Part II. Clay Petrology of Upper Mississippian-Lower Pennsylvanian Sediments of Central United States
Charles E. Weaver
AAPG Bulletin
... to as the lower Goddard. The differential thermal analysis (DTA) curves and X-ray diffraction patterns (Fig. 6) are from a series of black and gray shales...
1958
Geophysical characterization of a nonaqueous-phase liquidcontaminated site
Alberto Godio, Alessandro Arato, Stefano Stocco
Environmental Geosciences (DEG)
... in sandy soil by converting the TDR traveltime in water content using Topp formula, a polynomial regression that relates the water content...
2010
Carbon dioxide storage potential for the Queenston Formation near the AES Cayuga coal-fired power plant in Tompkins County, New York
Kathryn L. Tamulonis, Teresa E. Jordan, Brian Slater
Environmental Geosciences (DEG)
... for proximity to the AES Cayuga power plant (Figure 5). To convert from two-way traveltime, we used sonic velocities calculated by Anschutz Exploration...
2011
Chapter 12: The Discovery Process behind the Giant Johan Sverdrup Field
Hans Chr Rønnevik, Arild Jørstad, Jan Erik Lie
AAPG Special Volumes
... microscopic and X-ray diffraction (XRD) analyses of cuttings have been introduced as standard tools in the exploration and delineation wells. The sampled...
2017
Porosity--Depth Trends in Deeply Buried Upper Jurassic Reservoirs in the Norwegian Central Graben: An Example of Porosity Preservation Beneath the Normal Economic Basement by Grain-Coating Microquartz
Mogens Ramm,, Arne W. Forsberg, Jens S. Jahren
AAPG Special Volumes
.... Only locally are Figure 1. Location map showing depth (two-way traveltime in milliseconds) to the base-Cretaceous unconformity, Cod Terrace area...
1997
Subsurface Geology of the Warfield Structures in Southwestern West Virginia: Implications for Tectonic Deformation and Hydrocarbon Exploration in the Central Appalachian Basin
Dengliang Gao , Robert C. Shumaker
AAPG Bulletin
... normal fault dipping toward the northwest. Fault B is suggested by an anomalous traveltime that may result from a velocity anomaly or diffraction...
1996
Origin of Eocene lacustrine dolomite and evolution of multiple diagenetic fluids in the Huanghekou sag, Bohai Bay Basin, China
Tingting Yao, Hongtao Zhu, Bin Fu, Xiaofeng Du, Qingbin Wang, Sen Li, Xianghua Yang, and Mónica Sánchez-Román
AAPG Bulletin
... in x-ray diffraction patterns, microbially induced dolomite in the laboratory is considered protodolomite (Gregg et al., 2015; Kaczmarek et al., 2017...
2024
Application of Force Spectroscopy to Evaluate Rock-Fluid Interactions at the Nanoscale
Dayo A. Afekare, Jayne C. Garno, Dandina N. Rao
Unconventional Resources Technology Conference (URTEC)
... Materials Rock chips from TMS cores (provided by Goodrich Petroleum and University of Louisiana) were crushed to powder for X-ray diffraction (XRD...
2020
Micropores in Carbonate Mud: Early Development and Petrophysics
F. Jerry Lucia, Robert G. Loucks
GCAGS Journal
... that changes in fabric and petrophysics could be observed. Mineralogy was determined using x-ray diffraction (XRD) by Dr. Necip Guven at the University...
2013
Geology and Log Study of Tight Gas Sandstones: Cotton Valley Group
Gordon Pirie
GCAGS Transactions
... and 8, far right). Generally the four arms of the HDT track each other and the curves demonstrate clearly the thicker bedded shale and sandstone units...
1982
The Petrophysical Integration of Four Volumetric End Points Applied to an Indonesian Carbonate
Mark Deakin, David R. Smith
Indonesian Petroleum Association
..., and to flag or adjust curves which do not. To overcome the possibility of Nature varying between wells, multiwell crossplots of two highly correlated...
2003
Sacha Field--Ecuador Oriente Basin
Robert W. Canfield
AAPG Special Volumes
... good. The sandstones are mostly continental and conventional cores of them frequently have plant remains and locally abundant amber. X-ray diffraction...
1991
AAPG/Datapages Discovery Series No. 7, Multidimensional Basin Modeling, Chapter 8: Integration of Capillary Top-Seal Leakage with Map-Based Fluid-Flow Modeling
Michael, G. E., P. DOnfro, and F. Eilertsen
AAPG Special Volumes
.... Baldwin, B., and C. Butler, 1985, Compaction curves: AAPG Bulletin, v. 69, p. 622626.Barnard, P. C., and M. A. Bastow, 1991, Hydrocarbon generation...
2003
Evolution of Secondary Porosity in Pennsylvanian Morrow Sandstones, Anadarko Basin, Oklahoma
Zuhair Al-Shaieb, Patty Walker
AAPG Special Volumes
...-ray diffraction, scanning electron microscopy coupled with energy-dispersive X-ray analysis (SEM/EDXA), and catholo-luminescence were used to analyze...
1986
Innovative methods for flow-unit and pore-structure analyses in a tight siltstone and shale gas reservoir
Christopher R. Clarkson, Jerry L. Jensen, Per Kent Pedersen, Melissa Freeman
AAPG Bulletin
... obtained from our petrographic analysis (Table 2) and x-ray diffraction data from an offset well. Water saturations are generally less than 20...
2012
Reservoir characteristics of the Silurian Kepingtage Formation sandstones in the southern Tahe region, Tarim Basin
Yuanzhuang Chen, Yi Wang, Xiuxiang Lü, Jiang Wu, Ming Wang, and Yongtao Xia
AAPG Bulletin
...). Mercury capillary pressure curves from 79 samples were analyzed to investigate the pore-throat changes and reservoir quality of sandstones...
2024
Fast and Economic Gas Isotherm Measurements Using Small Shale Samples; #40646 (2010)
Mihai A. Vasilache
Search and Discovery.com
... preparation and handling techniques. Normal and abnormal desorption curves are examined. Full diameter and sidewall desorption data is compared. High...
2010
Fracturing Fluid Chemistry and Job Placement Design Optimized for Formation Skin Damage Reduction Improves Well Performance: A Permian Midland Basin Case Study
John Blevins, Timothy C. Svarczkopf, Kira Demitrus, Jordan Gist
Unconventional Resources Technology Conference (URTEC)
... to utilize the fluid to increase well performance over preceding type curves. Also, the goal must be to utilize the least amount of friction reducer...
2023
Polygenetic History of Paleosols in Middle–Upper Pennsylvanian Cyclothems of the Illinois Basin, U.S.A.: Part I. Characterization of Paleosol Types and Interpretation of Pedogenic Processes
Nicholas A. Rosenau, Neil J. Tabor, Scott D. Elrick, W. John Nelson
Journal of Sedimentary Research (SEPM)
... diffraction analysis of the < 2 µm size fraction of paleosol matrix in IB paleosols indicates a mineralogical composition dominated by kaolinite...
2013
Petrophysical and mineralogical evolution of weathered crystalline basement in western Uganda: Implications for fluid transfer and storage
B. Walter, Y. Géraud, D. Bartier, J.-M. Kluska, M. Diraison, C. Morlot, and F. Raisson
AAPG Bulletin
...:10.1007/s000240050134. Reynolds, R. C. Jr., 1985, NEWMOD, a computer program for the calculation of one-dimensional diffraction patterns of mixed-layered...
2018
Illite/Smectite Diagenesis in the Beaufort-Mackenzie Basin, Arctic Canada: Relation to Hydrocarbon Occurrence?
J. Ko, R. Hesse
CSPG Bulletin
..._Page 76------------------------- SAMPLES AND X-RAY DIFFRACTION CHARACTERISTICS OF I/S A total of 215 samples (110 core samples, 105 drill cuttings...
1998
A Reconnaissance Survey of the Relationship between Clay Mineralogy and Geological Environment in the Negev (Southern Israel)
Yaacov K. Bentor , Wolf Bodenheimer , Lisa Heller
Journal of Sedimentary Research (SEPM)
... diffraction des mineraux argileux de vases mediterrannes: Bull. Suisse de Min. et Petr., vol. 41, p. 65-70. GROOT, J. J., AND GLASS, H. D., 1960, Some...
1963
Chapter 14: Controls on Production in the Eagle Ford: Permeability, Stratigraphy, Diagenesis, and Fractures
Tobi H. Kosanke, John A. Breyer, Richard Denne, Ronald Nelson, Richard L. Rosen, Munir Aldin, Anne Warren
AAPG Special Volumes
...). Figure 5. Ternary plot of clay, calcite, and quartz abundances as determined by x-ray diffraction (XRD) analyses of Eagle Ford core samples, coded...
2019