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The AAPG/Datapages Combined Publications Database
Showing 44,985 Results. Searched 200,756 documents.
Demystifying Data-Driven Neural Networks for Multivariate Production Analysis
Ayush Rastogi, Karn Agarwal, Ely Lolon, Mike Mayerhofer, Oladapo Oduba
Unconventional Resources Technology Conference (URTEC)
... neural networks and its linear combinations more clearly, each neuron could be considered as a vector, whose components are the outputs from the neuron...
2019
The Nonacho Basin (Early Proterozoic), Northwest Territories, Canada: Sedimentation And Deformation In A Strike-Slip Setting
Lawrence B. Aspler, J. A. Donaldson
Special Publications of SEPM
... and rectangular sub basins The sub basins were separated during sedimentation by basement uplifts as indicated by changes in clast composition unit thickness...
1985
Oak Ridge Fault, Ventura Fold Belt, and the Sisar Decollement, Ventura Basin, California
Robert S. Yeats, Gary J. Huftile, F. Bryan Grigsby
Pacific Section of AAPG
...., and Yenne, K. A., 1978, Facts relating to Well No. 5, Lease OCS-P 0234, Pitas Point Unit Area, and the earthquake of August 13, 1978, Santa Barbara...
1988
Sedimentologic and Physical Oceanographic Evidence of a Shelf Edge Counter Current Off Guinea Bissau, Guinea and Sierra Leone
David W. McGrail
Journal of Sedimentary Research (SEPM)
... of these dimensionless numbers, the R ssby number and Ekman number, is presented below. A vector form of the equation of motion for a homogeneous rotating...
1977
Abstract: AVAZ Inversion for Fracture Orientation and Intensity: a Physical Modeling Study; #90187 (2014)
Faranak Mahmoudian and Gary F. Margrave
Search and Discovery.com
... intensity is the product of the number of fractures per unit volume and their mean cubed diameter (Nelson, 2001). Depending on the stress regime...
2014
Evolution of Synorogenic Clastic Deposits in the Intermontane Uinta Basin of Utah
David W. Andersen, M. Dane Picard
Special Publications of SEPM
... rocks t grained 10 The c1uding trough youngest unit in the Duchesne River Formation and is and horizontal tion ripple the Starr and stone...
1974
Paleozoic Diagenesis of the Upper Cambrian Peerless Formation, Colorado
Craig J. Peck
Oklahoma City Geological Society
... and petrographic study of the Peerless Formation in central Colorado indicates that the unit contains two Chemical Remanent Magnetizations (CRMs). The oldest...
1989
Case Study: Geomechanical Analysis in Batanghari Block, Jambi Sub-Basin
Zha Chaoyang, Shen Shuirong, Pei Daqing, Shen Weifeng
Indonesian Petroleum Association
.... And the curvature vector is calculated by the trend surface fitting method which it fit to the trend function on the layer surface. The least square method...
2010
New Red Sandstone Floodplain and Piedmont Sedimentation in the Hebridean Province, Scotland
Ron J. Steel
Journal of Sedimentary Research (SEPM)
... of sedimentation operated on these fan surfaces. Mudflow deposits (debris flow).--Facies A (Fig. 1) Facts--A deposit (unit) of this type normally...
1974
Microseismic Monitoring Reveals Natural Fracture Networks, #40782 (2011)
Shoshana Goldstein, Margaret Seibel, Theodore Urbancic
Search and Discovery.com
... of the event, which falls between one of three end-members: isotropic, double-couple (DC), and compensated linear vector dipole (CLVD). Empirically...
2011
Mechum River Formation: Late Precambrian (?) Alluvium in the Blue Ridge Province of Virginia
Frederic L. Schwab
Journal of Sedimentary Research (SEPM)
... structural infold (the Batesville syncline) along the axis of the Blue Ridge anticlinorium in central Virginia. The thickness of the unit is variable...
1974
American Upper Ordovician Standard. IX. Bedrock Geology of Eastern Hamilton County, Ohio
Robert H. Osborne
AAPG Bulletin
... the name Eden was proposed initially as a name for a rock unit (Orton, 1873, p. 373), the term now is used also for a standard entity. The extension...
1968
Latest Cretaceous Nonmarine Depositional Systems in the Wasatch Plateau Area: Reflections of Foreland to Intermontane Basin Transition
Karen J. Franczyk, Janet K. Pitman
Utah Geological Association
... sequences that document regional changes in depositional environments, drainage directions, and unit thickness. These changes reflect major temporal...
1991
Depositional Facies Identification in Wireline Log Patterns Using 1D Convolutional Neural Network (CNN) Deep Learning Algorithms
Galatio Giovani Prabowo, Muhammad Fahmi Ramdani, Abiyyu Daffa Revanzha, Brian Muara Sianturi, Natalia Angel Momongan
Indonesian Petroleum Association
... distribution of the input vector values among several classes. Therefore, SoftMax is a multi-class alternative to sigmoid activation (Shatravin et al., 2023...
2024
Fold Geometry Within Part of Michigan Basin, Michigan
E. H. Timothy Whitten , Walter A. Beckman, Jr.
AAPG Bulletin
..., 1945). The unit has an average thickness of approximately 150 ft and a mean subsea depth of about 2,850 ft. The top of the Dundee Limestone...
1969
Sedimentology of a Sequence Boundary Within the Nonmarine Torrivio Member, Gallup Sandstone (Cretaceous), San Juan Basin, New Mexico
Andrew D. Miall
Special Publications of SEPM
... of the unit. Thr dominant Sthofaeies type in element I is Sp planar-tabular cross-bedding. Sets are 8 to 40 cm thich. Ne reactivation surfaces were noted. Small...
1992
Mudstones and Thin-bedded Turbidites Associated with the Upper Cretaceous Wheeler Gorge Conglomerates, California: A Possible Channel-Levee Complex
Roger G. Walker
Journal of Sedimentary Research (SEPM)
... axes in unit 1, after removal of regional dip and strike. Note rakes are mostly 10° or less, and that azimuths fall into two groups with vector means...
1985
Stratal Architecture and Morphodynamics of Downstream-Migrating Fluvial Point Bars (Jurassic Scalby Formation, U.K.)
Massimiliano Ghinassi, Alessandro Ielpi
Journal of Sedimentary Research (SEPM)
... with the paleodrainage of selected channel bodies (blue arrows). Geological Setting The Scalby Formation is the uppermost unit of the Middle Jurassic...
2015
Geologic Facies Analysis for Enhanced Oil Recovery Bartlesville Sandstone Greenwood County Kansas
Douglas W. Jordan, Roderick W. Tillman
Special Publications of SEPM
... Five depositional facies occur in five oriented cores obtained from the Bartlesville Sandstone Cherokee Group Middle Pennsylvanian in the Madison Unit B...
1987
On singularity points in elastic orthorhombic media
Alexey Stovas, Yu Roganov, V. Roganov
International Meeting for Applied Geoscience and Energy (IMAGE)
... are the components of the unit vector in phase domain. Let us assume that P and S wave surfaces do not interact and the symmetry plane 2-3 is essential, c11 , c22...
2022
Physics-directed unsupervised machine learning: Quantifying uncertainty in seismic inversion
Sagar Singh, Yu Zhang, David Thanoon, Pandu Devarakota, Long Jin, Ilya Tsvankin
International Meeting for Applied Geoscience and Energy (IMAGE)
... are described below. Encoder model: Stage 1 The input is a 1D tensor or vector of a fixed time length (NT), which is a stacked seismic trace. The output...
2022
Separation of simultaneous source wavefields using convolutional neural network
Zhehao Li, Hua-Wei Zhou, Kang Fu
International Meeting for Applied Geoscience and Energy (IMAGE)
.... (2008) suggested a vector median filter that uses the dithering information to separate the sources; Abma et al. (2010) proposed a regularization...
2022
Direct monitoring of fluid saturation using time-lapse full-waveform inversion
Amir Mardan, Bernard Giroux, Gabriel Fabien-Ouellet, Mohammad Reza Saberi
International Meeting for Applied Geoscience and Energy (IMAGE)
... stresses (txz ) build the wavefield vector. As Tarantola (1986) has shown, the results of different parameterizations are not equivalent. Hence...
2022
Magnetic Characteristics of the Rock Formations on Mount Kinabalu, Sabah
Woo Chaw Hong, Chow Yor Chun, Teng King Kuen, Mazshurraiezal Nasir
Geological Society of Malaysia (GSM)
..., this Earth’s magnetic field is normally represented by vector Fe. Magnetic anomaly is typically caused by magnetic induction or remanent magnetisation...
2015
Comprehensive Fracture Evaluation Using Wireline Borehole Imager and Array Acoustic Tools
Cahyo Nugroho, Gunawan Sucahyo, Adriaan Bal, Pipin Ariyanto, Wilfred Samosir, Edison Nadeak
Indonesian Petroleum Association
... strike vector plot with each fracture strike plotted as a unit vector from base to top of study section. © IPA, 2018 – 42nd Annual Convention...
2018