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The AAPG/Datapages Combined Publications Database
Showing 295 Results. Searched 200,293 documents.
One-way full-waveform inversion using frequency-domain model extension
Rustam Akhmadiev, Biondo Biondi, Robert G. Clapp
International Meeting for Applied Geoscience and Energy (IMAGE)
... on the phase-shift plus interpolation (Gazdag and Sguazzero, 1984) and split-step correction (Stoffa et al., 1990). Methods based on the one-way wave...
2024
Monitoring Sea-floor Instability Caused by the Presence of Gas Hydrate Using Ocean Acoustical and Geophysical Techniques in the Northern Gulf of Mexico
Erika Geresi, Ross Chapman, Tom McGee, Bob Woolsey
AAPG Special Volumes
...: Marine and Petroleum Geology, v. 19, p. 12751293.Gazdag, J., and P. Saguazzero, 1984, Migration of seismic data by phase shift plus interpolation...
2009
Utilizing the Two-Way Wave Equation: Reverse Time Pre-Stack Depth Migration
Matthew H. Karazincir, Clive M. Gerrard, Andrew Long, Lynn B. Comeaux
Indonesian Petroleum Association
... wave equation pre-stack depth imaging methods such as phase shift, split step Fourier, phase shift plus interpolation, and finite difference methods...
2008
Atwater Valley 118 #1
Alec Bray
Houston Geological Society
... Reconciliation Seismic ties the wireline very well. No phase shift seismic data observed. 300' thick sand on logs match transparent zone on seismic data...
2000
Power Imaging A Passive Electromagnetic Hydrocarbon Detection Method: Examples from Railroad Valley, Nevada; #40966 (2012)
Dietmar (Deet) Schumacher, W. Barry Weaver, and Roy K. Warren
Search and Discovery.com
..., this figure illustrates what the waves look like when one wave is multiplied by the next. Notice that around 2000 feet there is a phase shift followed...
2012
The Development of an Integrated Logging Instrument Platform while Drilling
Search and Discovery.com
N/A
AVA attribute estimation from misaligned seismic gathers using U-Net
Ammar Ghanim, Ricard Durall, Norman Ettrich
International Meeting for Applied Geoscience and Energy (IMAGE)
...985) and convolving them with synthetic source wavelets, with parameters such as central frequency, bandwidth, and linear phase-shift randomi...
2024
Abstract: Properties of Gabor Operators for Seismic Imaging; #90171 (2013)
Michael P. Lamoureux and Gary F. Margrave
Search and Discovery.com
...., Margrave, G. F., and Lamoureux, M. P., 2008, Phase shift time stepping for reverse time migration: the Marmousi data experience, Tech. rep., CREWES...
2013
Monitoring Seafloor Instability Caused by the Presence of Gas Hydrate Using Ocean Acoustical and Geophysical Techniques in the Northern Gulf of Mexico, by Erika Geresi, Ross Chapman, Tom McGee, and Bob Woolsey; #90035 (2004)
Search and Discovery.com
2004
Time-lapse processing and imaging of the Snowflake 3D DAS VSP CO2 monitoring dataset
Xiaohui Cai, Kristopher A. Innanen, Qi Hu, Ziguang Su, Donald C. Lawton
International Meeting for Applied Geoscience and Energy (IMAGE)
...-domain integration led to significant low-frequency noise, ranging from 0 to 10 Hz. Given these challenges, we applied a 180-degree phase shift...
2024
Seismic Imaging and Interpretive Model Building in the Colombian Andes
Rob Vestrum
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... migration in transversely isotropic media by nonstationary phase shift, GEOTRIAD ’98, Joint meeting of CSEG, CSPG, and CWLS. Schmid, R., Link, B...
2006
Fast Gauss-Newton full-wavefield migration
Siamak Abolhassani, Eric Verschuur
International Meeting for Applied Geoscience and Energy (IMAGE)
... functions: The Leading Edge, 35, 157–162, doi: https://doi.org/10.1190/tle35020157.1. Gazdag, J., 1978, Wave equation migration with the phase-shift...
2022
High-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration
Jidong Yang, Jianping Huang, Tengfei Lin, Zhenchun Li, and Liang Chen
AAPG Bulletin
... from early phase-shift plus interpolation migration (Gazdag and Sguazzero, 1984), split-step Fourier migration (Stoffa et al., 1990), and Fourier finite...
2024
Low-rank representation for reflectivity model and its applications in least-squares migration
Jidong Yang, Jianping Huang, Hejun Zhu, George McMechan
International Meeting for Applied Geoscience and Energy (IMAGE)
... with the phase-shift method: Geophysics, 43, 1342–1351, doi: https://doi.org/10.1190/1.1440899. Gray, S. H., and W. P. May, 1994, Kirchhoff migration using...
2024
DMO and NMO as Applied in Seismic Data Processing
Jiunnyih Chen
Geological Society of Malaysia (GSM)
.... D1x, C. H., 1955. Seismic velocities from surface measurements. Geophysics, 20, 68-86. GAZDAG, J., 1978. Wave equation migration with the phase shift...
1989
Abstract: Time-Lapse Repeatablity in 3C-3D Dataset from Weyburn CO2 Sequestration Project; #90171 (2013)
Jinfeng Ma, Le Gao, and Igor Morozov
Search and Discovery.com
...-record gathers (Morozov and Gao, this Convention), accurate time, amplitude, spectral, and phase-shift alignment still can be achieved...
2013
Resolving MWD-Wireline Resistivity Differences in Shaly-Sand Pay Zones
Steve Mack
Indonesian Petroleum Association
... with an MWD tool was introduced using both phase-shift and amplitude-attenuation processing of the propagated wave. The shortcomings of this approach...
1995
U-net based primary alignment
Ricard Durall, Ammar Ghanim, Norman Ettrich
International Meeting for Applied Geoscience and Energy (IMAGE)
...) and convolving them with synthetic source wavelets. The central frequency, bandwidth, and linear phase-shift parameters of the source wavelets...
2023
Fine description of composite channel sand bodies based on multiseismic attribute CMY fusion technology
Zhenglong Zhang, Jianli Wang, Hebing Tang, Xuetong Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... and smoothing the migration velocity field, and calibrating the drilling velocity to obtain high-precision migration velocity, phase shift 3D migration...
2023
Texaco Watercut Monitor – Microwave Based Technology
M. G. Durrett, G. J. Hatton, D. A. Helms, J. D. Marrelli
Indonesian Petroleum Association
...) the power transmitted through the sensor cell referred to here as attenuation (in decibels); and 2) the change in phase shift of the received sinusoidal...
1989
True Amplitude Preserved Multi-Azimuth Pre-Stack Depth Migration for Structural and Reservoir Characterization (Sisi-Nubi Field, Indonesia)
M. Baturin, F. Bertini, J. Bonnafé, A. Riou, S. Birdus, Y. Yin
Indonesian Petroleum Association
...True Amplitude Preserved Multi-Azimuth Pre-Stack Depth Migration for Structural and Reservoir Characterization (Sisi-Nubi Field, Indonesia) M...
2011
Crooks Gap Field: Problems with 3-D Interpretation (Extended Abstract)
Robert E. Wellborn, Mike Peffer
Wyoming Geological Association
... statics reapplied 3D DMO DMO velocity analysis CDP statics Stack 1 pass 3D migration (Phase Shift) using 100% velocities Time domain...
2000
Reef Delineation by Multiple Offset Borehole Seismic Data Collection: A Case Study
D. E. Miller and L. Dupal
AAPG Special Volumes
...., and P. Sguazzero, 1983, Migration of vertical seismic profiles by phase shift plus interpolation: 45th Meeting, European Association Exploration...
1987
Abstract: Determination of bulk permeability within the Morien Group using the forcing of ocean tides in the Sydney Basin in Cape Breton, Nova Scotia
Kevin J. Doyle, Kate Moran, Tom Martel, Gary Ellerbrok
Atlantic Geology
...~ining the bulk permeability of the material surrounding these mines. An analysis of the phase shift and amplitude of the tidal signal in the water level...
1997
Genesis of Sand Ridges on Storm-Dominated Shelves--Status Report: ABSTRACT
Donald J. P. Swift, William Stubblefield, David W. McGrail
AAPG Bulletin
... at low Froude numbers. Because of a phase shift between bottom topography and flow parameters, maximum shear stress occurs on the upcurrent slopes...
1980