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The AAPG/Datapages Combined Publications Database
Showing 44,981 Results. Searched 200,599 documents.
Modeling Anisotropy in Computer Mapping of Geologic Data: Chapter 7
Gregory Kushnir, Jeffrey M. Yarus
AAPG Special Volumes
... a computer-generated map on the top of the B-Sand unit using the standard gridding assumption of isotropy. Experienced geologists working this area believe...
1992
Detection of hydrocarbon reservoir boundaries using neural network analysis of surface geochemical data
Hari Doraisamy, Daniel H. Vice, Phillip M. Halleck
AAPG Bulletin
... into a calibrated gas chromatograph that has a flame ionization detector. The data were converted to mass ethane per unit mass of soil. At each site, data...
2000
Early Tertiary Quartzite Conglomerates of the Bighorn Basin and Their Significance for Paleogeographic Reconstruction of Northwest Wyoming
Mary J. Kraus
Rocky Mountain Section (SEPM)
... a conglomerate at the base of the Fort Union Formation. This unit is dominated by horizontally stratified conglomerate deposited as longitudinal bars...
1985
The Origins of Abnormal Fluid Pressures
Norman E. Smith, H. George Thomas
Houston Geological Society
..., and the resultant total stress will be a vector of the vertical and horizontal stresses. The horizontal stresses will act as a couple, either as one active and one...
1971
The Pliocene-Recent Anticlockwise Rotation of the Birds Head, the Opening of the Aru Trough Cendrawasih Bay Sphenochasm, and the Closure of the Banda Double Arc
Tim R. Charlton
Indonesian Petroleum Association
... to Australia, but the KAIM vector is considerably larger than the TUAL vector. The dominant young structural elements on both flanks of the Aru Trough are normal...
2010
Paleomagnetism of the Valle Formation and the Late Cretaceous Paleogeography of the Vizcaino Basin, Baja California, Mexico
Deborah L. Patterson
Pacific Section SEPM
... Production Research Co. P.O. Box 2189 Houston, Texas, 77001 ABSTRACT The Valle Formation is a molassic unit, including a basal Cenomanian interval...
1984
Analysis of Temperatures and Thermal Processes in the Uinta Basin
Sean D. Willett, David S. Chapman
CSPG Special Publications
... is an average geothermal gradient, here taken as 25°C/km. Isopach and structural maps were used to determine depth of burial for each unit. The resulting...
1987
A Numerical Method of Classification Using Qualitative and Semi-Quantative Data, as Applied to the Facies Analysis of Limestones
G. F. Bonham-Carter
CSPG Bulletin
.... 1, pp. 253-272. Imbrie, J., and Van Andel, T. H., 1964, "Vector Analysis of Heavy-Mineral Data," Geol. Soc. Amer. Bull., Vol. 75, pp. 1131-1156...
1965
Structural Controls on Fluvial Distributary Systems - The Luna System, Northern Spain
Gary J. Nichols
Special Publications of SEPM
... on the rose diagram. Arrowheads represent the vector mean paleoflow direction for each group. The position of the apex has been calculated...
1987
Assisted History Matching using Bayesian Inference: Application to Multi-Well Simulation of a Huff-n-Puff Pilot Test in the Permian Basin
Esmail Eltahan, Reza Ganjdanesh, Wei Yu, Kamy Sepehrnoori, Hunter Drozd, Raymond Ambrose,
Unconventional Resources Technology Conference (URTEC)
... × 10-6 2500 50.9 0.92 Unit ft ft nd psi o F psi -1 psi lbm/ft3 - Table 1─Main reservoir properties for the sector model. We run the numerical...
2020
Suspended Sediment Responses in a Wind-Dominated Estuary of the Texas Gulf Coast
Gerald L. Shideler
Journal of Sedimentary Research (SEPM)
..., which is a heterogeneous mud-rich unit consisting of fluvial, deltaic, and barrier island-beach deposits (Univ. Texas Bureau of Econ. Geology, 1975...
1984
Physical Properties
Jeffrey S. Hanor
Special Publications of SEPM
... be readily derived if PTX is known. Pressure 6.2 6.2.1 Basic Terms and Concepts Pressure is a measure of force per unit area. Several kinds of pressure...
1988
Sediments of Lower Chesapeake Bay, With Emphasis on Mass Properties
W. Harrison, M. P. Lynch, A. G. Altschaeffl
Journal of Sedimentary Research (SEPM)
... properties: gross saturated mass unit weight, 1.16-2.00 g/cm3 (in air) and 0.15-0.96 g/cm3 (submerged); average specific gravity of grains, 2.66-2.74...
1964
A hybrid data-driven approach for shale gas production performance analysis via machine learning, game theory, and Pareto optimization: Weirong shale gas field, Sichuan Basin, China
Tianrui Ye, Jin Meng, Yujie Zhou, Meng Han, Yitian Xiao, Yong Zhao, Haitao Cao, Chunyan He, Bin Hu
International Meeting for Applied Geoscience and Energy (IMAGE)
...), gradient boosting tree (GBM), and support vector machine (SVM) on productivity prediction of shale reservoirs. In this study, shale gas production...
2022
Early Cambrian and Late Precambrian Paleocurrents, Banff and Jasper National Parks
E. W. Mountjoy, J. D. Aitken
CSPG Bulletin
... grade upwards into poorly sorted siltstones and sandstones forming a unit between 300 and 500 feet thick. These sandstones are medium to coarse...
1963
Rock Magnetic Determination of Angular Deviation in Grain Alignment Between Channel and Levee Sandstones Within a Submarine Fan Channel-Levee Complex, Brushy Canyon Formation, West Texas
Debnath Basu
GCAGS Transactions
..., and particular attention was paid to sample the levee deposit from a single depositional unit. This unit is a very well defined thin levee bed...
1995
Summary of Middle Ordovician Stratigraphy and Tectonics, Northern Utah, Southern and Central Idaho
Robert Q. Oaks Jr., W. Calvin James, G. Gregory Francis, Warren J. Schulingkamp II
Wyoming Geological Association
... to the uppermost unit in Patton's sequence. Geologic maps that show outcrops of the Kinnikinic or where it is absent are shown in Fig. 4, plus Hobbs, Hays...
1977
Characterization of the natural fracture system of the Eagle Ford Formation (Val Verde County, Texas)
Raphaël Gottardi, and Shanna L. Mason
AAPG Bulletin
..., Eagle Ford Shale variability: Sedimentologic influences on source and reservoir character in an unconventional resource unit: Gulf Coast Association...
2018
Merging Physics and Data-Driven Methods for Field-Wide Bottomhole Pressure Estimation in Unconventional Wells
Diego Molinari, Sathish Sankaran
Unconventional Resources Technology Conference (URTEC)
... for multiphase fluid flow modeling have also been developed based on pure data-driven models such as artificial neural networks (Osman, 2004), support vector...
2021
Geographic information systembased fuzzy-logic analysis for petroleum exploration with a case study of northern South America
Lisa Bingham, Raul Zurita-Milla, Alejandro Escalona
AAPG Bulletin
..., England, Pearson Prentice Hall, 426 p.Humphries, H. C., P. S. Bourgeron, and K. M. Reynolds, 2010, Sensitivity analysis of land unit suitability...
2012
Assessing the internal character, reservoir potential, and seal competence of mass-transport deposits using seismic texture: A geophysical and petrophysical approach
Tiago M. Alves, Kuncho Kurtev, Gregory F. Moore, Michael Strasser
AAPG Bulletin
... compared with turbidite units in unit Ib. Horizons H1 to H3 are shown in detail as to locate the surfaces mapped in this work. Figure modified from...
2014
A Local Chronostratigraphy for the Morrison Formation, Northeastern Bighorn Basin, Wyoming
James E. Swierc, Gary D. Johnson
Wyoming Geological Association
... unit representing strata deposited on a low relief flood or coastal plain as evidenced by thin, continuous duricrust layers visible as dipslopes...
1996
Dagbreek Fan-Delta: An Alluvial Placer to Prodelta Sequence in the Proterozoic Welkom Goldfield, Witwatersrand, South Africa
C. S. Kingsley
CSPG Special Publications
... ranges from a subaerial gravel placer deposit at the base through a sandy unit into a subaqueous shale on top. This study was suggested to me...
1984
Laramide Structure of the Central Sangre de Cristo Mountains and Adjacent Raton Basin, Southern Colorado
David A. Lindsey
Rocky Mountain Association of Geologists
... for right- and leftslip shears; bisector (arrow) represents direction of shortening. N, number of measurements; R, vector strength in percent. Map unit...
1998
Effect of Faulting on Fluid Flow in Porous Sandstones: Geometry and Spatial Distribution
Marco Antonellini, Atilla Aydin
AAPG Bulletin
... in map view or in the plane perpendicular to the slip vector (Figures 9, 10a). Power et al. (1988) described a similar relation for the roughness...
1995