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The AAPG/Datapages Combined Publications Database
Showing 254 Results. Searched 195,387 documents.
Bayesian variational auto-encoder for seismic wavelet extraction
Ammar Ghanim, Ricard Durall, Norman Ettrich
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the loss function, produces wavelets that exhibit improved alignment with the ground-truth phase-shift behavior. Furthermore, these wavelets better match...
2023
Locating Bypassed Reserves in Geologically Complex Mature Fields Environments, #41022 (2012)
Mike Dautel, Jason Pitcher, Michael Bittar
Search and Discovery.com
..., phase shift and attenuation data are acquired in 32 azimuthally oriented bins referenced to either the high side of the borehole or magnetic north using...
2012
3-D Surface-Wave Estimation and Separation Using an Iterative Closed-Loop Approach; #41898 (2016)
Tomohide Ishiyama, Gerrit Blacquiere
Search and Discovery.com
... )e j pm ( )r r Travel-time phase shift S : Source properties H : Horizontal propagation operator X : Earth propagation operator 20 Multi-modes...
2016
Modern Marine 3D Seismic Acquisition - Technical Considerations
Chris Walker
Petroleum Exploration Society of Australia (PESA)
... and another in the UK sector of the North Sea - have been processed using a shot record Phase Shift Plus Interpolation (PSPI) 3D depth migration applied...
1997
Prospect Definition Using Cost-Effective 2-D Swath in Rocky Mountain Stratigraphic Traps
James R. Oltmans II
Rocky Mountain Association of Geologists
... vary. While this clock variance may be microseconds/sec the separate systems could record a phase shift relative to each other at deeper events...
1995
Magneto-Telluric Method Applied to Geothermal Prospecting*
Gerard Cormy
Southeast Asia Petroleum Exploration Society (SEAPEX)
... of the dispersion of the phase shift values obtained after any harmonic analysis. The whole of the processing is highly sophisticated and requires the use...
1975
Marine Seismic Sources: Part XIII: The Far Field Response of an Air Gun Array
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
... incidence on the sea floor beyond the critical angle, there is a perfect reflection with an accompanying phase shift. This reflection can be represented...
2012
Abstracts: Brine-methane Substitution: The Seismic Response of Coalbeds; #90173 (2015)
Diane J. Lespinasse and Robert J. Ferguson
Search and Discovery.com
...), the character of the wavelet completely change presenting a lightly increase of the amplitude of the reflections and a shift in the phase. The AVO response...
2015
Interpretation Methods in the Exploration of Oligocene-Miocene Carbonate Reservoirs, Offshore Northwest Madura, Indonesia
David C. Carter, Dwi Mandhiri, Robert K. Park, Imron Asjhari, Syaiful Basyuni, Sergey Birdus, John P. Bradfield, Ary Iriawan, Meutia Nasfiah, M.A. Agung Nugroho
Indonesian Petroleum Association
... origin. A phase shift of +72 degrees and -18ms time shift has been applied to give positive polarity, zero-phase, and zero-time lag seismic data...
2005
Seismic Detection of Upper Dakota Sandstones on the Moxa Arch, Green River Basin, Wyoming, Using Amplitude Versus Offset Data
C. Dean Lausten
Wyoming Geological Association
.... The overall upper Dakota response is a high amplitude peak at normal incidence that appears to phase shift 8 ms downward and increase in breadth by 80...
1989
Plate Convergence and Accretion in Taiwan-Luzon Region
Carl Bowin , Richard S. Lu , Chao-Shing Lee , Hans Schouten
AAPG Bulletin
...° increments and estimated that a phase shift of 240 ± 30° (or 60 ± 30°) eliminates most of the skewness from the observed anomalies. The anomalies look...
1978
L. Van Bendegom: A Neglected Innovator in Meander Studies
J. R. L. Allen
Dallas Geological Society
..., Series Paper no. 11, 79p. Hickin, E. J. and Nanson, G. C. 1975, The character of channel migration on the Beatton River, northeast British Columbia...
1977
L. Van Bendegom: A Neglected Innovator in Meander Studies
J. R. L. Allen
CSPG Special Publications
..., Series Paper no. 11, 79p. Hickin, E. J. and Nanson, G. C. 1975, The character of channel migration on the Beatton River, northeast British Columbia...
1977
Improved Decision Making Through Optimized Data Acquisition Program in Deepwater Exploration Drilling - A Case Study from East Kalimantan
Graziano Capone, Lilik Budi Riyanto, Cikko Majesta, Ali Shahbazi Fakhr, Hengky Ng, Yevgeniy Karpekin
Indonesian Petroleum Association
...). The wells 1 and 2, triple-combo logging suite had been recorded, consisting of natural gamma, density, neutron and phase-shift resistivity measurement...
2013
Chapter 22: Correlation of Seismic Attributes and Geomechanical Properties to the Rate of Penetration in the Mississippian Limestone, Oklahoma
Xuan Qi, Joseph Snyder, Tao Zhao, Kurt J. Marfurt, Matthew J. Pranter
AAPG Special Volumes
... phase shift, bandpass filtering ( 10 – 15 — 110 – 120 Hz ) , parabolic Radon transform, and trim statics. Exploratory Data Analysis...
2019
Submarine Canyons in the Bathtub
Francois Metivier, Eric Lajeunesse, Marie-Christine Cacas
Journal of Sedimentary Research (SEPM)
... of gray code and phase shift light projection: analysis and compensation of the systematic errors: Applied Optics, v. 31, p. 6565–6573. Yalin, M.S....
2005
Full-Resolution 3D Radar Stratigraphy of Complex Oolitic Sedimentary Architecture: Miami Limestone, Florida, U.S.A.
Adrian Neal, Mark Grasmueck, Donald F. McNeill, David A. Viggiano, Gregor P. Eberli
Journal of Sedimentary Research (SEPM)
... a 3D phase-shift algorithm. Migration attempts to remove diffractions, distortions, dip displacements, and out-of-line reflections. Data enhancements...
2008
Advanced Techniques for On-Line Monitoring of Brown Coal Quality
R M Borsaru, N G Cutmore, A L Ottrey, B D Sowerby
Petroleum Exploration Society of Australia (PESA)
.... These systems are based on: microwave attenuation and phase shift - for direct determination of moisture content; and inelastic neutron scattering...
1992
CSPG/CSEG/CWLS GeoConvention 2011; - Abstracts, #90173 (2015).
Search and Discovery.com
2015
Abstract: Optimum Aperture Length for Improving Dispersion Curve Analysis in CMP Cross-Correlation of Surface Waves; #90187 (2014)
Roohollah Askari, Robert J. Ferguson, and Helen Isaac
Search and Discovery.com
... the phase shift method (Park et al., 1998)) the data from the time-offset domain to the frequency-slowness (or velocity) domain. Generally speaking...
2014
Application of Spectral Decomposition Technique in Reservoir Exploration in the Junggar Basin of West China, #10340 (2011)
Cai Gang, Su Mingjun, Yao Qingzhou, Gong Honglin
Search and Discovery.com
... K1q Line103 J2t Line103 Left: Line103 seismic section (Phase shift 90º) Right: Full 3-D visualization plan Top right: Along Tk1 after flattening...
2011
The Use of LWD and its Impact on Petrophysical Evaluation in the Belida Field, Block 'B', South Natuna Sea
Agus Sutoto
Indonesian Petroleum Association
...-magnetic drill collar. The tool broadcasts a 2-MHz electromagnetic wave and measures the phase shift and attenuation. It has many similarities to the dual...
1994
Abstract: Reflectivity Color Correction in Gabor Deconvolution; #90211 (2015)
Carlos Montana and Gary Margrave
Search and Discovery.com
...-variant phase shift. Datapages/Search and Discovery Article #90211 CSPG© 2015 CSPG/CSEG/CWLS Convention 2006, What’s New? Where is Our Industry Heading...
2015
Observed Gas-Oil Ratio Trends in Liquids Rich Shale Reservoirs
Yogashri Pradhan
Unconventional Resources Technology Conference (URTEC)
... types and the mineralogical content affect the phase shift at different temperatures and pressures. Confinement of the liquid phase is stronger...
2020