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The AAPG/Datapages Combined Publications Database
Showing 20,882 Results. Searched 201,044 documents.
Orthorhombic AVAZ inversion in the Laplace-Fourier domain
Lin Li, Jinmiao Zhang, Guangzhi Zhang, Zhenyu Zhu, Jiajia Zhang, Chao Li, Xinpeng Pan
International Meeting for Applied Geoscience and Energy (IMAGE)
... (P-wave velocity, S-wave velocity, density, horizontal and vertical fracture densities) from azimuthal seismic data, which includes (1) Laplace...
2022
DAS: The survival toolkit for geophysicists in the wilderness of unconventionals
Ge Jin
International Meeting for Applied Geoscience and Energy (IMAGE)
...). Guided-wave analysis provides an effective way to characterize reservoirs with relatively low-velocity structures. Figure 1: Processing flow for guided...
2022
Automation of passive seismic processing via machine learning and physics-informed methods
Ivan Lim Chen Ning, Laura Swafford, Mike Craven, Kevin Davies, Evan Earnest, Dean Thornton
International Meeting for Applied Geoscience and Energy (IMAGE)
.... 𝑣 𝑃 and 𝑣 𝑆 represent the P and S wave effective NMO velocity. Note the absence of the offset term since the corresponding P and S phase map shares...
2022
Results of Elastic-Wave Surveys in California and Elsewhere
Frank Rieber
AAPG Bulletin
... in these loosely consolidated materials, velocity of wave transmission varies in general with depth of original overburden, and correlations based...
1930
Frequency-dependent reflection characteristics of single thin layer and waveform inversion
Zhengyang Kuai, Danping Cao, Chao Jin
International Meeting for Applied Geoscience and Energy (IMAGE)
... on the reflectivity method. A pre-stack waveform inversion method based on LM algorithm is proposed to directly predict parameters such as P-wave velocity, S-wave...
2023
Time-lapse full-waveform inversion by model order reduction using radial basis function
Haipeng Li, Robert G. Clapp
International Meeting for Applied Geoscience and Energy (IMAGE)
... or elastic wave equation in the velocity-stress formulation, with free-surface conditions at the top and convolutional perfectly matched layer absorbing...
2024
Estimation of Seismic Attenuation in the Delaware Basin Using Peak Frequencies
Małgorzata Drwiła, Leo Eisner, Zuzana Jechumtalová, Denis Anikiev, Randy Keller
Unconventional Resources Technology Conference (URTEC)
... be characterized by attenuation factors (Q) of ranging between 90 and 100 (with uncertainty of 30) for P-wave and S-waves, respectively. The ratio...
2018
P-S Converted Wave AVO Analysis for Reservoir Characterization
Ehsan Sadeghi, Cepi Adam, Effendy Siawira, Hilfan Khairy
Indonesian Petroleum Association
... corrections of the push-down effect below the gas anomaly, thanks to implemented detailed velocity model from Full Wave Inversion (FWI) algorithm...
2017
Abstract: Simultaneous P-P and P-S Waveform Inversion Algorithm Using Pre-Stack Time Imaging Method ; #90187 (2014)
Hassan Khaniani, John C. Bancroft, and Eric von Lunen
Search and Discovery.com
... an algorithm that predicts the mode converted P-S wave using the velocity in time. The algorithm is based on a scatter point response in P-wave reflection...
2014
Abstract: Comparative Study on 2D Microseismic Source Location with Synthetic Seismograms Recorded by Borehole- and Surfacereceiver Arrays; #90224 (2015)
Anton Biryukov, Simon G.E. Harvey, and Giovanni Grasselli
Search and Discovery.com
..., simulating the common increase in p-wave velocity with depth due to the effects of increased lithification and compaction [9]. The same 5 source...
2015
Abstract: Nonlinear Seismic Wave Propagation in Heavy Oil; #90224 (2015)
Wubing Deng and Igor B. Morozov
Search and Discovery.com
...-wave waveforms in unaltered and altered Crisco simulated by finitedifference modeling. Linear travel-time moveout with velocity VR = 1540 m...
2015
Multicomponent Seismic Technology Assessment of Fluid-gas Expulsion Geology and Gas-hydrate Systems: Gulf of Mexico
B. A. Hardage, P. E. Murray, R. Remington, M. De Angelo, D. Sava, H. H. Roberts, W. Shedd, J. Hunt Jr.
AAPG Special Volumes
... of compressional wave velocity (Vp), shear wave velocity (Vs), and Vp/Vs velocity attributes within the strata of each near-sea-floor system were similar. High...
2009
Abstract: Coefficient "k" in "a-b-c^hellip" Model, by L. D. Entsminger, R. S. Banks, W. F. Tanner; #90978 (1975).
Search and Discovery.com
1975
Mapping Rock-Property Changes and Fluid Migration Due to Hydraulic Fracturing
Jyoti Behura
Unconventional Resources Technology Conference (URTEC)
... only, however, will not contribute to any production because of the lack of hydraulic communication with the well. Knowing the P- and S-wave velocity...
2020
Shoreline Orientation and Storm Surge
Carl H. Hobbs III
Atlantic Geology
... of water by waves into the near shore area. This factor is related to the wind set-up and might be dubbed the wave set-up; and 4) modification of the storm...
1970
Abstract: Facies and Paleocurrents of Gallup Sandstone: Model for Alternating Deltaic and Strand-Plain Progradation
D. G. McCubbin
Four Corners Geological Society
... and lateral facies sequence and orientation of current- and wave-produced structures show that the shoreline advanced by episodes of delta progradation...
1973
Anatomy of a Prograding Wave and Storm Dominated Delta Shoreline Complex, the Chungo Sandstone (Milk River - Eagle Equivalent) in the Southern Alberta Foothills: Abstract
L. Rosenthal, R. G. Walker
CSPG Special Publications
...Anatomy of a Prograding Wave and Storm Dominated Delta Shoreline Complex, the Chungo Sandstone (Milk River - Eagle Equivalent) in the Southern...
1984
Abstract: Shelf Plume and Wave-Influenced Deltas: A Significant Mechanism for Forming Shelf Sands and Stratigraphic Traps
Alan J. Scott
Houston Geological Society Bulletin
...Abstract: Shelf Plume and Wave-Influenced Deltas: A Significant Mechanism for Forming Shelf Sands and Stratigraphic Traps Alan J. Scott 1986 2 2...
1986
Abstract: Holocene Depositional Environments of the Glacial Outwash Plain Shoreline of the Northeast Gulf of Alaska
Miles O. Hayes
Alaska Geological Society
.... Recent earthquake activity has left a major imprint on the shoreline morphology, especially in bedrock areas, where uplifted wave-cut benches...
1976
Comparison of Heavy Oil Reservoirs: The Lloydminster Formation, Lloydminster Area, and the Clearwater Formation, Cold Lake Area: Abstract
J. R. McLean, P. E. Putnam
CSPG Special Publications
... silt and wave or current-rippled fine-grained sandstone upward, and commonly capped by a coal seam. Sandstones range in composition from quartz-arenites...
1984
Abstract: Carbonate Mounds from Shelves and Basins, by J. L. Wilson; #90972 (1976).
Search and Discovery.com
1976
A Spectrum of Ancient Shelf Sandstones: Abstract
R. W. Tillman
CSPG Special Publications
... structures in sandstones are planar-tangential to planar-tabular cross-beds, horizontal to subhorizontal laminations, current and wave ripples...
1986
A Transgressive Sand Wave Complex in Relation to a Peculiar Strait Paleogeography: Folgueroles Sandstone, Middle to Upper Eocene, Southern Pyrenees: Abstract
A. Bamolas, C. Puigdefabregas
CSPG Special Publications
...A Transgressive Sand Wave Complex in Relation to a Peculiar Strait Paleogeography: Folgueroles Sandstone, Middle to Upper Eocene, Southern Pyrenees...
1986
Current-Dominated Sedimentation in the Northeastern Chukchi Sea, Alaska: Abstract
R. Lawrence Phillips
CSPG Special Publications
... coastal current (velocity ± 200 cm/s) apparently controls the sediment distribution and texture along the east side of the sea. Extensive surficial...
1986
Sedimentology of a Tempestite: Episodic Deposition in the Cardium Formation, Pembina Oilfield Area, West-Central Alberta: Abstract
F. F. Krause
CSPG Special Publications
... of sedimentation below fair-weather wave-base and above storm-weather wave-base...
1986