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The AAPG/Datapages Combined Publications Database

Showing 5,468 Results. Searched 200,636 documents.

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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

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