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The AAPG/Datapages Combined Publications Database

Showing 8,549 Results. Searched 189,607 documents.

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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

.... 145-154. Chang, H., J.P. VanDyke, M. Solano, G.A. McMechan, and D. Epili, 1998, 3-D prestack Kirchhoff depth migration: From prototype to production...

2017

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

Samuel Gray

Search and Discovery.com

.... For prestack time migration, velocity analysis on these gathers is exactly analogous to velocity analysis on unmigrated CDP gathers. Prestack depth migration...

2015

ABSTRACT: Subsalt Imaging: beyond depth migration and model building; #90051 (2006)

Biondo Biondi

Search and Discovery.com

..., scattering, mode conversion) and with the structural complexity of the salt bodies and the target reservoirs. The routine use of 3-D prestack depth...

Unknown

Abstract: Green Canyon Block 205: Geophysical Analysis of a Deepwater Gulf of Mexico Discovery

Bernard Regel

Houston Geological Society Bulletin

... the checkshot functions which resulted in under-migration of the seismic data and poor synthetic well ties. Remigration of the 3-D data using the prestack 3-D...

1994

Poststack Processing Steps for Preconditioning Seismic Data; #42399 (2019)

Ritesh Kumar Sharma, Satinder Chopra

Search and Discovery.com

... up to prestack migration and normal moveout (NMO) application, still there are some simplistic preconditioning steps that are generally adopted...

2019

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

... prestack reverse-time migration of synthetic offset VSP data by FD solution of 2D elastic wave equation. The results imply a different resolvability...

2015

Attributes Assisted Seismic Interpretation in Pre-Stack Time versus Depth Migration Data; #41637 (2015)

Tengfei Lin, Hang Deng, Zhifa Zhan, Zhonghong Wan, Kurt Marfurt

Search and Discovery.com

... with depth. Methodology For the Kirchhoff prestack time migration (PSTM), the total traveltime t is the sum of source to scatter point time...

2015

Imaging of Fractures and Faults inside Granite Basement Using Controlled Beam Migration (Geophysics Paper 5)

Don Pham, Jason Sun, James Sun, Qingbing Tang, Graeme Bone, Nguyen Truong Giang

Geological Society of Malaysia (GSM)

.... In 2002, a study was carried out in the area using Kirchhoff prestack depth migration, which included horizon-based model building up to the basement...

2008

Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)

Aaron Stanton

Search and Discovery.com

.... References Audebert, F., 2001, 3-D prestack depth migration: why Kirchhoff?: Technical Report 80, Stanford Exploration Project. Cary, P. W., and A. Zhang...

2015

ABSTRACT: Anisotropic Imaging of Okubotin 3-D Seismic Survey; #90115 (2010)

Adeboye A. Oni, Gislain Madiba, and Berti Ozumba

Search and Discovery.com

... to counter these challenges in Shell Nigeria is the introduction of anisotropic prestack depth migration for all newly acquired long offset 3D seismic data...

2010

Seismic Imaging Improvements in the Bolivian Fold-and-Thrust Belt Through Psdm

A. Rocha, J. Subia

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... be by means of an anisotropic prestack depth migration (Vestrum, 2003). Figure 4- time x depth migration in a model with lateral velocity variation Decon...

2006

Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing

R. Malcolm Lansley

AAPG Special Volumes

.... The main decisions to be made with respect to migration are whether the migration will be performed prestack or post-stack, and whether a time...

2011

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... by matching each individual prestack trace with an external pilot trace (which may be generated, say, by stacking the NMOed data). We define time...

Unknown

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... by matching each individual prestack trace with an external pilot trace (which may be generated, say, by stacking the NMOed data). We define time...

Unknown

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