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

... with correct phase, magnitude and resolution. We have developed a prestack depth Q migration approach to compensate for the dissipation effects...

Streamlining subsurface insights: Single extrapolation for holistic Green's function generation

Hongwei Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... of migration velocity models. Traditionally, prestack depth migration (PSDM) based on ray-tracing-based Kirchhoff integration is predominantly employed...

Applications of Kirchhoff Least-Squares Migration: Towards Reservoir Imaging; #42183 (2018)

Francesco Perrone, Graham Roberts, Lorenzo Casasanta, Andrew Ratcliffe, Arash Jafargandomi, Karen Purcell

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...Applications of Kirchhoff Least-Squares Migration: Towards Reservoir Imaging; #42183 (2018) Francesco Perrone, Graham Roberts, Lorenzo Casasanta...

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

Brian Link and Naum Marmalevsky

Search and Discovery.com

...., Kiev, Ukraine Abstract Summary Conventional 3D anisotropic prestack depth migration provides accurate structural boundary information for events...

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...

Abstract: LSPSM for Pre-and Poststack Time Lapse Studies; #90187 (2014)

Abdolnaser Yousefzadeh and John C. Bancroft

Search and Discovery.com

... which may dominate the changes of the reflectivity model. The least squares prestack Kirchhoff migration (LSPSM) is performed separately on both...

Application of generalized radon transform migration to crosswell seismic geometry

Shujaat Ali, Olga Podgornova, Takashi Mizuno, Joel Le Calvez

International Meeting for Applied Geoscience and Energy (IMAGE)

... crosswell dataset (Podgornova et al., 2023) is used first to evaluate Kirchhoff, RTM and GRT migration algorithms. This dataset has been acquired...

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...

2D Seismic Lines Reprocessing Using Prestack Time Migration: Case Study of the Solimões Basin, by Ronan M. Avila and Leo R. Nascimento, #10231 (2010).

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Velocity Analysis with Prestack Migration using the S-G Method: A Unified Approach

J.P. Diet, F. Audebert, I. Huard, P. Lanfranchi, X. Zhang, M. Darbousset

CSPG Special Publications

...Velocity Analysis with Prestack Migration using the S-G Method: A Unified Approach J.P. Diet, F. Audebert, I. Huard, P. Lanfranchi, X. Zhang, M...

EXTENDED ABSTRACT: Prestack depth migration in TI media: examples with numerical and physical modeling data

Nanxun Dai, Scott Cheadle, J. Helen Isaac

CSPG Special Publications

...EXTENDED ABSTRACT: Prestack depth migration in TI media: examples with numerical and physical modeling data Nanxun Dai, Scott Cheadle, J. Helen Isaac...

ABSTRACT:MULTICOMPONENT OBC (4C) PRESTACK TIME IMAGING OVER PAMBERI, LRL BLOCK, OFFSHORE TRINIDAD

Tony Johns, Carmen Vito and Raul Sarmiento

Geological Society of Trinidad & Tobago

... of the processing applied to the recorded multicomponent (4C) seismic data, through curved-ray anisotropic Kirchhoff prestack time migration for both...

Abstract: Simplified Processing of Converted Wave Data; #90224 (2015)

John C. Bancroft and Thais Guirigay

Search and Discovery.com

... the added value that P-S data can contribute to an interpretation. These concerns are reduced with simple prestack migration processing that provides...

Imaging in Complex Environments … Common Reflection Angle Migration

Graham A. Winbow

Indonesian Petroleum Association

... the target. This creates problems for single path Kirchhoff migration which uses an approximation based on the most significant rays (for example largest...

ABSTRACT: Anisotropic PP and PSv Prestack Depth Migration of 4C _OBC_ Seismic Data, Pamberi, Offshore Trinidad

Tony Johns, Carmen Vito and Raul Sarmiento

Geological Society of Trinidad & Tobago

... a fairly conventional P- and PSv-wave signal processing flow prior to imaging through curvedray Kirchhoff prestack migration. Data quality was very...

Jumpstarting Hydrocarbon Exploration and Development in the Philippines

Rene Villafuerte, Jun Wang, Yitao Chen, Peter Chia

Southeast Asia Petroleum Exploration Society (SEAPEX)

... in complex geological conditions. In contrast to conventional Kirchhoff Prestack Depth Migration (K-PSDM) which struggles with lateral velocity contrasts...

Abstract: Fracture Detection in the Migrated Domain: Practical Aspects of Prestack Time Migration of Azimuthally-limited 3D Land Data Volumes; #90171 (2013)

Mike Perz, Juefu Wang, and Ye Zheng

Search and Discovery.com

...Abstract: Fracture Detection in the Migrated Domain: Practical Aspects of Prestack Time Migration of Azimuthally-limited 3D Land Data Volumes; #90171...

Getting it Right the First Time in the Ceduna Sub-Basin: Regional and Target Depth Imaging in a Frontier Setting

Weidi Koh

Australian Petroleum Production & Exploration Association (APPEA) Journal

... execution. Keywords: amplitude versus offset (AVO), depth imaging, dual sensor, frontier basin, Great Australian Bight, prestack depth migration...

Migration Velocity Analysis by Migration of Velocity Spectra

Craig J. Beasley, Rolf Klotz

Southeast Asia Petroleum Exploration Society (SEAPEX)

...., and Yang, M., 1984, Suppression of backscattered coherent noise by prestack partial migration: Presented at the 54th Ann. Internat. Mtg., Soc. Expl...

The Challenges of Hydrocarbon Exploration in a Deepwater Complex Salt Cored Fold and Thrust Belt, Block 31 Angola, by Geoffrey S. Hill; #90037 (2005)

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2D Survey Earth Model Building and Depth Imaging Using 3D Grid-Based Tomography Technology

Eric Pearson, Suyang Chen

Indonesian Petroleum Association

... is a comparison of prestack time migration and prestack Kirchhoff depth migration results. It is clear that depth imaging improves reflector continuity, provides...

Combining high resolution modelling and one-way wave field extrapolation migration to image beneath a complex overburden: A case study from Porcupine Basin, Ireland

Partha Pratim Mandal, Weidi Koh, Julien Bluteau, David Laws, Jennifer Greenhalgh

Petroleum Exploration Society of Australia (PESA)

... throughout Australasia. Then we finally discuss one-way wavefield extrapolation migration (WEM) suitability over Kirchhoff migration in imaging...

Seismic Migration: Part 7. Geophysical Methods

Ken Larner, David Hale

AAPG Special Volumes

.... The earliest form, Kirchhoff summation migration, intuitively follows the situation depicted in Figure 1. In essence, recorded amplitudes on CMP traces...

Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data

Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto

Indonesian Petroleum Association

...Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data Harmita...

Prestack Migration Footprint

Search and Discovery.com

...Prestack Migration Footprint Prestack Migration Footprint Peter Cary* Sensor Geophysical Ltd, Calgary, AB [email protected] Summary...