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The AAPG/Datapages Combined Publications Database
Showing 583 Results. Searched 195,372 documents.
ABSTRACT: Enhanced Structural Imaging Using TTI Reverse Time Migration - A Case Study over the Dhok Sultan Block, by Firasat Shah, Syed; Sajjad, Musharraf; Zubay, Erick
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Abstract: Straight-Ray Datuming in 3-D Media: Fast and Flexible, by Tariq Alkhalifa, Henk Innemee, and Chris Benson; #90077 (2008)
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2008
Abstract: Forward Modelling Study of 2D Finite Difference Reverse-Time Migration for Downhole Seismic Data; #90224 (2015)
Dong Shi, Ramin Saleh, Bernd Milkereit
Search and Discovery.com
... is not suitable for dipping reflector and lateral velocity variation. Keho (1984) and Wiggins (1984) introduced Kirchhoff migration into VSP data imaging process...
2015
Abstract: Attenuation of Acquisition Footprint on Sparse Land and Ocean Bottom Data Using Least Squares Pre-Stack Time Migration, by Richard Leggott, Richard Wombell, and R. Gareth Williams; #90077 (2008)
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2008
Abstract: Attenuation Compensation in Least-Squares Reverse Time Migration Using the Visco-Acoustic Wave Equation, by Gaurav Dutta; #90182 (2013)
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2013
Adventures in Pre-Stack Depth Migration; #110121 (2010)
James Allen
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...Adventures in Pre-Stack Depth Migration; #110121 (2010) James Allen AV Adventures in Pre-Stack Depth Migration* James Allen1 Search and Discovery...
2010
Abstract: Converted-Wave Prestack Time Migration with a New Approximate Migration Weight; #90224 (2015)
Chuck Ursenbach and Peter Cary
Search and Discovery.com
... Summary A new approximate migration weight is described for Kirchhoff migration of converted-wave data. As with previous approximations it is based...
2015
ABSTRACT: Vector 3C-3D Depth Migration of Salt Images Using Limited VSP Data, by Wang, Dapeng, Yingping Li, John O'Brien, Brian Mallick; #90026 (2004)
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2004
Abstract: Complex-beam Migration: Non-recursive and Recursive Implementations; #90187 (2014)
Tianfei Zhu
Search and Discovery.com
... for marine prestack depth migration. Yet, for land data, the imaging method of choice is still Kirchhoff migration (KM), generally the least accurate...
2014
Sensitivity Analysis of Preserved Amplitude Seismic Images for Reservoir Studies
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N/A
Abstract: A Joint LSPSM/Inversion Algorithm for High Resolution Time Lapse Imaging; #90187 (2014)
Abdolnaser Yousefzadeh and John C. Bancroft
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... to the production or injection of fluids. A joint least squares Kirchhoff prestack migration (LSPSM) of both baseline and monitor data is introduced which attenuates...
2014
A Structural Analysis of the Green Knoll Salt Dome Located in Southeast Green Canyon, Gulf of Mexico
Randy Broussard, Abu K. M. Sarwar
GCAGS Transactions
... DOG GC/WR/AT from WesternGeco (Fig. 2). For optimal clarity and resolution, both Kirchhoff migration and one-way wave equation migration (WEM) were...
2013
Exploring the horizontal component of OBN surveys for added value to imaging
Samara Omar, Jim Simmons, Carlos Calderón
International Meeting for Applied Geoscience and Energy (IMAGE)
... migration, we applied a fractional time derivative to the offset-plane images to compensate for the Kirchhoff integral. Prior to making interpretations...
2023
Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)
Peter W. Cary, Albert Zhang
Search and Discovery.com
.... Kirchhoff prestack time migration is an ideal tool in converted wave imaging for areas with gentle lateral velocity variation. In areas where...
2015
Advances in OBN Technology: Full Azimuth, Long Offset Illumination for Complex Reservoirs, #70290 (2017).
John Smythe
Search and Discovery.com
... for 4D analysis • Full azimuth • Long offset Processing Benefits of OBN Acquisition • Imaging technologies – – – – Wave equation migration (TTI, VTI...
2017
Abstracts: Converted Wave Processing in the EOM Domain; #90173 (2015)
Thais A. Guirigay and John B. Bancroft
Search and Discovery.com
... of penetration to an upwardpropagating S-wave. Kirchhoff Prestack Migration concepts Kirchhoff prestack migration is based on a model of the subsurface...
2015
Abstract: Common Reflection Angle Pre-Stack Depth Migration as Data Enhancement Method for 3D Sparse Land Seismic Data, Case Study from Saudi Arabia; #90319 (2018)
Asaad E. Alzawwad, Krzysztof K. Sliz, Luke LaFreniere
Search and Discovery.com
... karsting adding extra challenges to our imaging workflow. The conventional Kirchhoff Pre-Stack Time Migration (PSTM) and Depth Migration (PSDM) results...
2018
-- no title --
user
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..., amplitude preserving 3D depth migration is usually performed using a Kirchhoff scheme for modest structural problems with steep dips. For structures...
Unknown
-- no title --
user
Search and Discovery.com
..., amplitude preserving 3D depth migration is usually performed using a Kirchhoff scheme for modest structural problems with steep dips. For structures...
Unknown
Depth Imaging Through Surface Carbonates: A 2D Example from the Canadian Rocky Mountains; #41554 (2015)
Yong Hua, Don Lawton
Search and Discovery.com
... 500 m. Depth Migration Once the plausible velocity model achieved, Kirchhoff depth migration code developed by Lawton (2005) was used to produce...
2015
ABSTRACT: Time vs Depth Imaging: Improving Seismic-well Correlation and AVO Modeling for a Heterogeneous Shallow Marine Reservoir: Example from Krishna-Godavari Basin; #90118 (2011)
Tandra Roy, Pavel Vasilyev, Dhananjay Tiwari, Bijay K. Behera, and D. Srinivas
Search and Discovery.com
... needed to be better suited for seismic inversion studies. Kirchhoff Pre-stack Time Migration CMP gathers clearly exhibited the presence of complex...
2011
Abstract: 4D Seismic Coprocessing Best Practices, Case Studies Offshore, Abu Dhabi, UAE; #91204 (2023)
Mohamed Mahgoub, Guillaume Cambois, Olivier Kirstetter, Khalid Obaid
Search and Discovery.com
... the two surveys. For both studies we ultimately compared a conventional Kirchhoff pre-stack depth migration (KPSDM) with image-based least-squares...
2023
Abstract: Image Enhacement After Migration; #90174 (2014)
John C. Bancroft, Thais Guirigay, and Helen Isaac
Search and Discovery.com
... in comparison to a migration that only performs a transpose approximation to inversion. We use Kirchhoff migration to illustrate this concept, however...
2014
ABSTRACT: Compensating for Seismic Absorption Anomalies with 3-D Q-Tomography and Q-compensating PSDM; #90115 (2010)
Yi Xie, Kefeng Xin, James Sun, Carl Notfors, Barry Hung, and Roger Taylor
Search and Discovery.com
... in the migration process which we have implemented in Kirchhoff, Gaussian Beam and Reverse Time Migration. We demonstrate, with synthetic and real data examples, how...
2010
Abstract: Least Square Migration in Image domain (LSMi) along with Better Velocity Modeling Improves Subsalt Imaging, Offshore Mediterranean, Case Study; #90319 (2018)
Ivica Mihaljevic, Mohamed Afia, Mahmoud M. Shabana, Mohamed Sheneshen, Hany M. Hussein, Mahmoud Ouda, Amr Ghanem, Refaat Zaki, Satyendra Rana, Maud Maud Cavalca, Laurence Letki
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... the velocity model we have used iterative geologically constrained tomography. High resolution tomography paired with Kirchhoff Pre stack Depth Migration has...
2018