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The AAPG/Datapages Combined Publications Database
Showing 20,623 Results. Searched 200,663 documents.
Abstract: 2D Depth Velocity Analysis without Tomography; #90187 (2014)
J. Patrick Butler and Randy Kolesar
Search and Discovery.com
... is presented. Upward ray tracing from selected reflector segments is used to select traces from the whole prestack volume whose angle of incidence equals...
2014
Abstract: Using-MultiFocusing 3D Diffraction Imaging to Predict Fracture Corridors/swarms in the Bazhenov Formation; #90187 (2014)
Marianne Rauch-Davies, Alex Berkovitch, Danil Pelman, and Kostya Deev
Search and Discovery.com
... of the specular reflections allows creating an image that contains mostly diffraction energy. We briefly describe the theory of the MultiFocusing method...
2014
Abstracts: Time-lapse Differential AVO: Reflection Coefficient at Fluid-fluid Boundary; #90173 (2015)
Jinfeng Ma
Search and Discovery.com
... is ray parameter, is P-wave velocity, is shear wave velocity and is densit y. is P-SV wave reflection angle. Rf(p) is the fluid-fluid reflection...
2015
Application of Anisotropic 3D Reverse Time Migration to Complex North Sea Imaging; #41573 (2015)
M. A. Hall, I. F. Jones, M. C. Goodwin, I. D. Berranger, H. Zhou, P. A. Farmer
Search and Discovery.com
... depth migration is usually performed using a Kirchhoff scheme for modest structural problems with steep dips. For structures where multi-valued ray-paths...
2015
Triaxial Direct Shear Fractured Marcellus (MSEEL) Shale Peak and Residual Shear Strength, Permeability, and Hydroshear Potential
Nathan J. Welch, Luke P. Frash, Anne H. Menefee, J. William Carey
Unconventional Resources Technology Conference (URTEC)
... measurements were acquired through the course of experiments. Simultaneous X-ray video and computed tomography were used to directly measure fracture...
2019
Paleosols in the Upper Guantao Formation (Miocene) of the Gudong Oil Field and Their Application to the Correlation of Fluvial Deposits
Liangmiao Ye
AAPG Bulletin
..., and mineral composition. Log responses of paleosols include lower gamma-ray activity and higher sonic ^Dgrt value, relative to non-paleosol sediments...
1995
Abstract: Reservoir Characteristics of a Quaternary Channel: Incorporating Rock Physics in Seismic and DC Resistivity Surveys; #90211 (2015)
Jawwad Ahmad and Douglas Schmitt
Search and Discovery.com
... is displayed in Figure 3. Vp calculated after gas substitution is lower than water, which is according to the prediction of Gassmann’s theory. Elastic...
2015
Gamma-Ray Logging of Vibracore Holes: RESEARCH METHOD PAPER
Theresa M. Molnar, Derald G. Smith
Journal of Sedimentary Research (SEPM)
...Gamma-Ray Logging of Vibracore Holes: RESEARCH METHOD PAPER Theresa M. Molnar, Derald G. Smith 1993 Vol. 63 No. 4. (July), DEWAN, J.T., 1983...
1993
Application of Wave Equation Tomography in Frontier Areas
Tien-when Lo, Guy W. Purnell
Indonesian Petroleum Association
... computationally expensive. Beydoun, W. B. and Mendes, M., 1989, Elastic ray-Born l2 - migration/inversion: Geophysical Journal, 97, 151-160. Beylkin, G...
1990
Internal Waves and the Nepheloid Layer on the Continental Shelf in the Gulf of Mexico
David W. McGrail, Richard Rezak
GCAGS Transactions
... on a unidirectional current. Classical theory and laboratory experiments have shown that when these waves propagate on to a slope they may become unstable, break...
1977
Unusual Calcite Cementing of Quartz Grains on Chandeleur Island Beach, Offshore Louisiana
Hugh J. Mitchell-Tapping
GCAGS Transactions
... in the literature for many years and have proposed such theories as the theory of the intermixing and evaporation of marine and meteoric waters...
1983
Deconvolution Using Matlab Script to Identify Fault-Seal
Maulana Hutama Rahma Putra, Irvan Rahadian Putra
Indonesian Petroleum Association
... on deconvolution zero-spiking theory with Matlab environment. Reflection Coefficient When a wave interface some boundary between different layer...
2018
2008 AAPG Eastern Section Meeting, October 11-15, Pittsburgh, Pennsylvania, #90084 (2008).
Search and Discovery.com
2008
Abstract: Time-lapse AVO Inversion; #90187 (2014)
A. Nassir Saeed, Laurence R. Lines, and Gary F. Margrave
Search and Discovery.com
... of accuracy and computation time. Theory of Time-lapse AVO inversion For two given data sets (base, d0, and a monitor, d1), reflectivity data can be written...
2014
Characterization and Modeling of a CO2 Huff n Puff to Predict and Verify EOR Production and CO2 Storage, #80097 (2010)
Damion J. Knudsen, Charles D. Gorecki, Jordan M. Bremer, Yevhen I. Holubnyak, Blaise A. Mibeck, Darren D. Schmidt, Steven A. Smith, James A. Sorensen, Edward N. Steadman, John A. Harju
Search and Discovery.com
..., fracture density, and missing zones or logs in the study area. Petrophysical results were verified with Qemscan, x-ray diffraction, petrographic...
2010
Spherical-Wave Computational AVO Modelling in Elastic and Anelastic Isotropic Two-Layer Media; #41564 (2015)
Arnim B. Haase, Charles P. Ursenbach
Search and Discovery.com
... is parallel to the ray direction for PP reflected waves, and perpendicular for converted waves. Other displacement components are neglected. [This is the sole...
2015
Wave-Equation-Based Target-Oriented Inversion for Reservoir Characterisation, #41759 (2016).
Dries Gisolf, P.R. Haffinger, P. Doulgeris
Search and Discovery.com
... - Linearised theory based on primary reflection coefficients and primary travel times. - Inversion result band-limited by seismic wavelet. - Absolute...
2016
The Stratigraphy, Structure, and Economic Aspects of the Paleozoic Strata in Erath County, North-Central Texas
Jerel W. Flippin
Dallas Geological Society
... be defined by plate tectonic theory. Exploration has been predominantly centered in the northern portion of Erath County. Present production is from...
1982
Chemostratigraphy of Carbonate Gravity Flows of the Wolfcamp Formation in Crockett County, Midland Basin, Texas
Alex P. Blizzard, Julie M. Bloxson
GCAGS Transactions
... in northwest Crockett County, Texas. High-resolution chemostratigraphy was conducted using X–ray fluorescence along with total organic carbon, X–ray...
2020
Geochemistry of Sediments from Eleven Black Sea Cores: Geochemistry
D. M. Hirst
AAPG Special Volumes
... al., 1970, Petrographic, mineralogic, and X-ray fluorescence analysis of lunar igneous-type rocks and spherules: Science, v. 167, no. 3918, p...
1974
The Gamma-Ray Log
John H. Doveton
Special Publications of SEPM
...The Gamma-Ray Log John H. Doveton Copyright © 2012, The Society for Sedimentary Geology (SEPM) Geologic Log Interpretation (SC29), 1994 THE GAMMA...
1994
Extended Abstract: Geological interpretation of Spectral Gamma Ray (SGR) in Nyalau Formation of black shale and mudstone of Central Sarawak, Malaysia
Walaa Elnasir Ibrahim, Abdul Ghani Md Rafek, Ahmed Mohamed Ahmed Salim
Geological Society of Malaysia (GSM)
...Extended Abstract: Geological interpretation of Spectral Gamma Ray (SGR) in Nyalau Formation of black shale and mudstone of Central Sarawak, Malaysia...
2018
Theory and Applications of Time Series Analysis to Wireline Logs: Chapter 5
John H. Doveton
AAPG Special Volumes
...Theory and Applications of Time Series Analysis to Wireline Logs: Chapter 5 John H. Doveton 1994 97 125 CA 2: Geologic Log Analysis Using Computer...
1994
The Influence of Stratigraphy and Rock Mechanics on Mesaverde Gas Distribution, Piceance Basin, Colorado
Stephen P. Cumella, Jay Scheevel
AAPG Special Volumes
... with no apparent downdip water. Biot, M. A., 1941, General theory of three-dimension consolidation: Journal of Applied Physics, v. 12, p. 155-164.Blanton, T. L...
2008
Glauconitic Sediments on the Continental Shelf off Vancouver Island, British Columbia, Canada
Brian D. Bornhold, Pierre Giresse
Journal of Sedimentary Research (SEPM)
..., glauconitic grains of various types were hand-picked for X-ray diffraction analysis using a CGR Theta 60 X-ray diffractometer with Co K radiation at 35...
1985