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The AAPG/Datapages Combined Publications Database
Showing 17,700 Results. Searched 200,685 documents.
Influence of Organic Material and Processes of Sulfide Formation on Distribution of Some Trace Elements in Deep-Water Sediments of Black Sea
I. I. Volkov, L. S. Fomina
AAPG Special Volumes
.... Mean concentrations and enrichment factors (in comparison with host sediments) are: MoO3, 0.1 percent (36); CoO, 0.017 percent (9); NiO, 0.15 percent...
1974
Understanding the Drivers of Parent-child Depletion: A Machine Learning Approach
Dillon Niederhut, Alexander Cui
Unconventional Resources Technology Conference (URTEC)
... then be related to mediating the parent influence on the child well. An additional benefit is that the model explanation factors will be in percent uplift...
2023
Palynological Fossil Response to Low-Grade Metamorphism in the Arkoma Basin
L. R. Wilson
Tulsa Geological Society
... for petroleum to be present in regions where coals have a fixed-carbon content of more than 60 percent. Subsequent observations appear to bear out...
1961
Interpretation of Cotton Valley Depositional Environment from Core Study, Frierson Field, Louisiana
Stephen A. Sonnenberg
GCAGS Transactions
... at stratigraphic traps in fine-grained sandstones within the Cotton Valley Group. Due to economic factors, the sandstones have become important reservoirs...
1976
Intratest Porosity in Foraminifera
Richard T. Bachman
Journal of Sedimentary Research (SEPM)
... decreases from 73 percent to 61 percent as test diameter decreases from 0 to 4 un ts. These internal voids can increase total sediment porosity by 44...
1984
Diagenesis and Porosity Distribution of Pennsylvanian Paradox Formation Carbonates (Upper Ismay), Southeastern Utah
James V. White, Brenda L. Kirkland
Utah Geological Association
... examined. The diagenetic history is similar, although barite and flourite are also present. Porosity values average less than 1 percent. In the most...
1996
Orthoclase Distribution and Authigenesis in the Franciscan Formation of a Portion of Western Marin County, California
Harold J. Gluskoter
Journal of Sedimentary Research (SEPM)
... present in only one of these 3 zones. Within the belt containing K-feldspar (western zone), the average K-feldspar content is 8.2 percent. Smaller...
1964
Accelerating Field Optimization for Shell in the Neuquén Basin Using Novi Labs Machine Learning Models and Data Analytics
Scott McEntyre, Peter Zannitto, Charles Kosa, Hugo Aguirre, Jack Trueblood, David Delgado, Ted Cross, Wasim Nasir, Hugh Grier, Francisco Garcia-Goya, Brad Speidel, Ruben Dominguez, John Tolle
Unconventional Resources Technology Conference (URTEC)
... and/or Method The combined team Shell technical staff and Novi data scientists applied machine learning (ML) models to generate scaling factors that tie...
2022
Lower Cisco Carbonate Deposition in North-Central Texas
T. H. Waller
Dallas Geological Society
... was not the critical controlling factor in the genesis of these limestones. At least three other factors were probably more important: (1) turbidity...
1969
Geothermal And Electric Power Analysis Of Horizontal Well Fields
Search and Discovery.com
N/A
Radiocarbon Dating of Size Fractions of a Sample of Bahama Carbonate Sediment
Keith A. Kvenvolden
Journal of Sedimentary Research (SEPM)
... determined by pipette methods (Krumbein and Pett john, 1938, p. 166). The sample contained 7 percent sand sizes (>62µ), 61 percent silt sizes (62-4...
1965
Mojave Playa Crusts: Physical Properties and Mineral Content
Arthur M. Langer, Paul F. Kerr
Journal of Sedimentary Research (SEPM)
... crusts, generally with low water tables, ordinarily contain in excess of 50 percent clay-size particles, average about 7.0 percent carbonate, and contain...
1966
Distribution and Significance of Analcime in Wasatch Plateau Coals
Robert B. Finkelman
Utah Geological Association
... controls on sodium distribution, samples of coal were obtained from 27 sites from the Wasatch Plateau in central Utah. As much as 90 percent...
1991
The Effect of Strontium on the Aragonite-Calcite Ratios of Pleistocene Corals
Frederic R. Siegel
Journal of Sedimentary Research (SEPM)
..., however, all the interfering factors have not been eliminated and the accuracy of the method is about ±10 percent. Equipment.--X-ray diffraction data...
1960
Original Bedrock Composition of Wisconsin Till in Central Indiana
W. Harrison
Journal of Sedimentary Research (SEPM)
...) continuously throughout its journey from Lake Naococane, and (3) the different shales traversed by the ice were eroded equally. In terms of volume-percent...
1960
ABSTRACT: Microspectrofluorescence Results from Sample Exchange Studies
Carolyn L. Thompson-Rizer and Roger A. Woods
The Society for Organic Petrology (TSOP)
... indicate that samples with an average vitrinite reflectance of 0.6 percent fO.l are represented by sporonite fluorescence of approximately 570 to 600 nm...
1986
Field Size Distribution Related to Basin Characteristics
H. D. Klemme
AAPG Special Volumes
... relationships of a basin's ield size distribution by percent-rank appear to be modified by the nature of the sedimentary basin fill, the diversity...
1986
Geophysical Uncertainty: Often Wrong, But Never in Doubt, by William L. Abriel, #40182 (2005).
Search and Discovery.com
2005
Prospects and Constraints of Geothermal Development in Indonesia: An Economic Overview
Prijanto, P. Yusgiantoro, A. Danar
Indonesian Petroleum Association
... plant accounts only 0.9 percent of the total installed capacity of electricity generation in Indonesia. PERTAMINA and the Volcanological Survey...
1991
Abstract: Statistical Characteristics of Gassy Sedimentary Rocks in the Northwestern Gulf of Mexico
William R. Bryant, Aubrey L. Anderson, Thomas H. Orsi
GCAGS Transactions
... and upper slope. Of all the bore-holes we examined, 1,158 (68 percent) contained indications of gassy sediments. The "average" Mississippi-River...
1994
The Oil Well Saline-Water Resources of the Uinta Basin, Utah: Their Character and Distribution
J. Wallace Gwynn
Utah Geological Association
..., and high sodium and chloride, are coincident with the basin’s major oil fields. Depending on economic factors, potentially-valuable mineral salts...
1992
Abstract: Interpretation of Cotton Valley Depositional Environment from Core Study, Frierson Field, Louisiana, by Stephen A. Sonnenberg; #90975 (1976).
Search and Discovery.com
1976
Water-Level and Water-Quality Changes in Great Salt Lake, Utah 1843-1985
Ted Arnow
Utah Geological Association
... the lake has contained as much as 29 percent salt, about eight times that of ocean water. Figure 1. Map showing location of Great Salt Lake. Figure 2...
1985
Insoluble Residues in a Portion of the Ordovician Cynthiana Formation, North-Central Kentucky
Gene C. Carpenter, Ronald G. Schmidt
Journal of Sedimentary Research (SEPM)
... for about 99 percent of the total residue in most of the samples studied. Of this total light fraction less than 1 percent is composed of mica...
1962