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The AAPG/Datapages Combined Publications Database
Showing 5,468 Results. Searched 200,636 documents.
Automatic rock classification from core data to well logs: Using machine learning to accelerate potential CO2 storage site characterization
Misael M. Morales, Oriyomi Raheem, Carlos Torres-Verdín, Michael Pyrcz, Murray Christie, Vladimir Rabinovich
International Meeting for Applied Geoscience and Energy (IMAGE)
... integrates the estimated rock classes from four different unsupervised machine learning methods and compares against three different conventional physics...
2024
Empirical Relation Between Carbonate Porosity and Thermal Maturity: An Approach to Regional Porosity Prediction
James W. Schmoker
AAPG Bulletin
.... The computation of TTI values follows Waples' (1980) approach, except that a computer is used to calculate and sum the maturity acquired in each million-year...
1984
Geological Bibliography for the Peace River Area
G. Macauley
CSPG Bulletin
... of British Columbia; Geol. Surv., Canada, Sum. Rept. 1915, pp. 70--75. Cleveland, C. E., 1954: Geological Cross-Section through Northern Alberta...
1958
Inorganic silicification of ancient carbonate rocks
Amlan Banerjee, Sarbani Patranabis-Deb, Dilip Saha, M. Santosh
Journal of Sedimentary Research (SEPM)
... of silicification-front velocity (in cm/My) as a function of diffusion coefficient, surface area, porosity, and supersaturation with respect to silica...
2021
Seismic Prospecting for Gas-hydrate and Associated Free-gas Prospects in the Milne Point Area of Northern Alaska
T. L. Inks, M. W. Lee, W. F. Agena, D. J. Taylor, T. S. Collett, M. V. Zyrianova R. B. Hunter
AAPG Special Volumes
... saturations and then was able to calculate compressional wave (P wave) velocity as a function of gas-hydrate saturation, porosity, and clay content...
2009
Surface Prediction using Rejection Sampling to Handle Non-linear Constraints
Petter Abrahamsen, Pål Dahle, Vera Louise Hauge, Ariel Almendral-Vazquez, Maria Vigsnes
CSPG Bulletin
... Gaussian distribution. The impact on gross rock volume distributions from different assumptions and data types is demonstrated by examples...
2015
FOSSILIZATION MODEL FOR SQUAMASTROBUS TIGRENSIS FOLIAGE IN A VOLCANIC-ASH DEPOSIT: IMPLICATIONS FOR PRESERVATION AND TAPHONOMY (PODOCARPACEAE, LOWER CRETACEOUS, ARGENTINA)
MAITEN A. LAFUENTE DIAZ, JOSÉ A. D'ANGELO, GEORGINA M. DEL FUEYO, ERWIN L. ZODROW
PALAIOS
... branches of Squamastrobus tigrensis, preserved as fossilized-cuticles (Lower Cretaceous, Baquer´ Group, Patagonia, Argentina). The question of diagenetic...
2018
Using Interval Resistivity Data to Help Detect Ground-Water Contamination as a Function of Space and Time — A Case Study, Provo, Utah
Alvin K. Benson, Melissa A. Stubben
Utah Geological Association
... using a three-point method. Water levels in the monitoring wells were measured at two different times. Water level data from 1991 were obtained from ECI...
1995
Mid-Givetian Events in Western Canada: The Dawson Bay - Watt Mountain - "Slave Point" Interlude
W.K. Braun, J.E. Mathison
CSPG Bulletin
... in exploring these surface exposures. Then a long pause followed, and when the studies were resumed nearly four decades later, a different group...
1986
An Improved Protocol For Cleaning of Planktonic Foraminifera For Shell Weight Measurement
Bingbin Qin, Tiegang Li, Zhifang Xiong, Thomas J. Algeo, Fengming Chang
Journal of Sedimentary Research (SEPM)
... μg), and the average shell weight for the group was calculated by dividing the sum of measured weights by the total number of whole foraminiferal...
2016
Discrepancy Between Thin-Section and X-Ray Estimates of Dolomite in Limestone
David N. Lumsden
Journal of Sedimentary Research (SEPM)
... et al (1971) have a good bibliography on the method. In an attempt to quantify the variation in dolomite content of the rocks of the Wayne Group...
1979
Oil and Gas Developments in North Mid-Continent in 1983
Shirley E. Paul , Bruce W. Netzler , Robin Coubrough , Roger Peters , Donivan L. Gordon , John M. Mossler
AAPG Bulletin
... than 1 million bbl or less than 6 bcf. The percentages of new pools in each age group of the reservoirs were: Cretaceous, < 1% (1 well); Permian, 1...
1984
A test of analog-based tools for quantitative prediction of large-scale fluvial architecture
Luca Colombera, Nigel P. Mountney, John A. Howell, Andreas Rittersbacher, Fabrizio Felletti, and William D. McCaffrey
AAPG Bulletin
.... HERESIM Group, 1993, On the connectivity of two random set models: the truncated Gaussian and the Boolean, in Soares, A., ed., Geostatistics Tróia’92...
2016
Depositional Facies and Aqueous-Solid Geochemistry of Travertine-Depositing Hot Springs (Angel Terrace, Mammoth Hot Springs, Yellowstone National Park, U.S.A.)
Bruce W. Fouke , Jack D. Farmer , David J. Des Marais , Lisa Pratt , Neil C. Sturchio , Peter C. Burns , Mykell K. Discipulo
Journal of Sedimentary Research (SEPM)
... compositions were significantly different from those of the precipitated travertine. In 1967 the USGS drilled research hole Y-10 in New Highland Terrace...
2000
End-Member Modeling of Siliciclastic Grain-Size Distributions: The Late Quaternary Record of Eolian and Fluvial Sediment Supply to the Arabian Sea and Its Paleoclimatic Significance
Maarten A. Prins, Gert Jan Weltje
Special Publications of SEPM
... no a priori is available to distinguish subpopulations of sediments with different provenances Indeed reconstruction of provenance and dispersal...
1999
Dolomitizanon of Recent and Plio-Pleistocene Sediments by Marine Evaporite Waters on Bonaire Netherlands Antilles
K. S. Deffeyes, F. Jerry Lucia, P. K. Weyl
Special Publications of SEPM
... sand and spaced mud If dolomitization further no limestone occurred containing different from the opcn ocean the water chem istry...
1965
Prediction of Permeability and Capillary Pressure
Alan P. Byrnes
Special Publications of SEPM
... lems encountered when porosity-depth trends are applied to different lithologies or basins, a different porosity-permeability relationship is generated...
1994
Repeatability of Three Instruments Used to Determine the Undrained Shear Strength of Extremely Weak, Saturated, Cohesive Sediments
Joseph H. Kravitz
Journal of Sedimentary Research (SEPM)
... according to Skempton (1953), places the specimens in the inactive clays of group 2, whose activity ranges from 0.5 to 0.75. Theoretically, Group 2...
1970
Petrology of Bengal Fan turbidites (IODP Expeditions 353 and 354): provenance versus diagenetic control
Mara Limonta, Eduardo Garzanti, Alberto Resentini
Journal of Sedimentary Research (SEPM)
... (U1444A and U1454B) are not different from those in eastern cores, indicating very minor supply from the subcontinent. Forward-mixing calculations based...
2023
Frontmatter, Table of Contents, Road Logs, Back Pocket Material: Geology of the Llano Region, Central Texas: Guidebook to the Annual Field Trip of the West Texas Geological Society
West Texas Geological Society
... Angelo Geol. Society Guidebook, 139 p. Barnes, V.E. and W.C. Bell, 1977, The Moore Hollow Group of central Texas: Bur. Econ. Geology, Univ. Tex., Rept...
1980
Regional Geology and Petroleum Potential of the Northern Gulf of Alaska Continental Margin
George Plafker
Circum Pacific Council Publications
... and slightly meta morphosed basement of the Orca Group. In contrast, the Paleogene sequence of the Yakutat terrane was deposited as a complex of coalescing...
1987
Precipitation of Salts From Mg2+ -(Na+)-SO42--Cl- Playa Lake Brines: The Endorheic Saline Ponds of La Mancha, Central Spain
Salvador Ordónez, Sergio Sánchez Moral, Maria De Los Angeles García Del Cura, Eduardo Rodriguez Badiola
Special Publications of SEPM
... and dry samples and commonly displayed different mineralogy Magnesium chloride brine is actively being recovered from several playa lakes in the La Mancha...
1994
Multi-Source Data Integration to Predict Well Performance: Eagle Ford Sweet Spot Mapping; #41397 (2014)
Beau Tinnin, Hector Bello, Matthew McChesney
Search and Discovery.com
... PCA Analysis using Elemental Data - Calculate and interpret different element concentrations using XRF data from well cuttings samples. - Identify...
2014
Permeability of methane hydrate-bearing sandy silts in the deep-water Gulf of Mexico (Green Canyon Block 955)
Yi Fang, Peter B. Flemings, Hugh Daigle, Stephen C. Phillips, and Josh O’Connell
AAPG Bulletin
... silt lithofacies has a low bulk density (ρb = 1.7 to 1.9 g/cm3) and a high P-wave velocity (Vp = ∼2700 to 3200 m/s), and it shows abundant ripple cross...
2022
Decline Curve Methods
Roswell H. Johnson
AAPG Bulletin
... or graphic methods for three different purposes: I. To show the production in successive units of time, such as a year. Curves of this type are always...
1919