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The AAPG/Datapages Combined Publications Database

Showing 518 Results. Searched 191,007 documents.

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Adventures in Pre-Stack Depth Migration; #110121 (2010)

James Allen

Search and Discovery.com

...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: A Joint LSPSM/Inversion Algorithm for High Resolution Time Lapse Imaging; #90187 (2014)

Abdolnaser Yousefzadeh and John C. Bancroft

Search and Discovery.com

... 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

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

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

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

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

-- 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

-- 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: 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

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: 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

Search and Discovery.com

... the velocity model we have used iterative geologically constrained tomography. High resolution tomography paired with Kirchhoff Pre stack Depth Migration has...

2018

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

Angle Gathers for Gaussian Beam Depth Migration, #41593 (2015).

Samuel Gray

Search and Discovery.com

... been the prevalence of Kirchhoff migration, which is flexible enough to produce such gathers very easily, and part of the reason is the analogy...

2015

Improved Structural Imaging of the Karama Seismic Survey Using Anisotropy Kirchhoff and Beam Depth Migration

Zbigniew Ostapiuk, Bee Jik Lim, Martin Bayly

Indonesian Petroleum Association

...Improved Structural Imaging of the Karama Seismic Survey Using Anisotropy Kirchhoff and Beam Depth Migration Zbigniew Ostapiuk, Bee Jik Lim, Martin...

2012

Abstract: Duplex Wave Migration … Imaging Vertical Boundaries; #90211 (2015)

Brian Link and Naum Marmalevsky

Search and Discovery.com

... through KTI offices. Introduction to duplex waves Conventional Kirchhoff migration schemes assume that the kinematics of the ray path travel time...

2015

Hybrid Domain Parallel Algorithm for 3D Kirchhoff Prestack Depth Migration; #10928 (2017)

Changhai Zhao, Jianlei Zhang, Guoan Luo, Quanshun Cui, Chengxiang Wang

Search and Discovery.com

...Hybrid Domain Parallel Algorithm for 3D Kirchhoff Prestack Depth Migration; #10928 (2017) Changhai Zhao, Jianlei Zhang, Guoan Luo, Quanshun Cui...

2017

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

Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)

Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen

Search and Discovery.com

... in a solution of the inverse problem using Prestack Kirchhoff Time Migration (PSTM) for gradient calculation and a de-migration for updating process. Theory...

2014

Abstract: Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations (Paper 23)

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... by Geological Society of Malaysia (GSM) 409 The Dip Movement processor in seismic data processing, or partial migration before stack is an auxiliary...

1995

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