Horizontal well S-wave imaging method and application

Hongliang Wu, Peng Liu, Ning Li, Yi Huang, Hao Zhang, Wenhao Zhang, Han Tian, Yusheng Li, Zhou Feng, Yongjian Zeng

International Meeting for Applied Geoscience and Energy (IMAGE)

... representing fractures. In the third step, we develop a Kirchhoff migration method suitable for well logging observation systems, which is used to localize...

High-resolution elastic full-waveform inversion using ocean-bottom nodes in Santos Basin, Brazil

Marilia Carneiro, Nathalia Ladeira Casado, Juliana Igarashi da Cruz, Pedro Barros, Chirag Parekh, Emmanuel Saragoussi, Bernardo Quijano

International Meeting for Applied Geoscience and Energy (IMAGE)

... in a full waveform inversion derived reflectivity that closely resembles the reverse time migration image and gives some uplift in the illumination...

Velocity model building and imaging driven by FWI with dual-azimuth data in a complex salt environment: Brazil case study

Xu Li, Christine Gans, Young Ho Cha, Diwi Snyder, Gopal Palacharla, Vijay Gottumukkula, Yaofeng He, Hongchuan Sun, Tetyana Vdovina, Xueyi Jia, Valeriy Brytik, Inmaculada Dura-Gomez

International Meeting for Applied Geoscience and Energy (IMAGE)

...://doi.org/10.1190/ image2022-3751132.1. Herman, J., 2005, Practical aspects of Voronoi-based area weights for Kirchhoff migration: 75th Annual Meeting...

Abstract: Velocity Updating for Converted-Wave Prestack Time Migration; #90211 (2015)

Xiaogui Miao

Search and Discovery.com

... Cited Dai, H., and X. Li, 2003, Velocity model updating in prestack Kirchhoff time migration for PS converted wave: Part I-Theory: EAP report, P...

An optimal aperture crosscorrelation imaging condition for Marchenko imaging

Xiaochun Chen, Yezheng Hu, Yukai Wo, Weiping Cao, Xuri Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

..., such as Kirchhoff migration (Schneider, 1978; Gray and May, 1994) and reverse time migration (Baysal et al., 1983; McMechan, 1983), are based on the assumption...

Delivering a Step-Change in Imaging from Indonesias First Ocean Bottom Node 3D Seismic Survey at Tangguh

Christopher Birt, Hery Prastowo, Danang Priyambodo, Simon Wolfarth, Johnathan Stone

Indonesian Petroleum Association

... with the PZ summation data. Two migrations (Kirchhoff and RTM) were output. The Kirchhoff migration tends to be higher frequency (better for seeing detail...

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...

UK Continental Shelf: An Evolution in 3D Seismic Imaging of the Central North Sea

Matthew Dack, Gregor Duval, CGG

GEO ExPro Magazine

... deconvolution, has dramatically improved the signal at depth. This, combined with Least-Squares Kirchhoff migration, which has further enhanced the deeper...

Seismic Foldout: New plays in Southern Santos Basin revealed by large-scale, high quality 3D Multi-Client seismic

Milos Cvetkovic, Francisco Colina, TGS

GEO ExPro Magazine

... by industry. We use Tilted Traverse Isotropy Kirchhoff Pre-Stack Depth Migration (TTI KPSDM) as the main imaging algorithm for both Fast Track...

Abstract: Non-Hyperbolic Reflection Tomography for Better Imaging and Interpretation, by Zhaobo Meng and Chengbin Peng; #90105 (2010)

Search and Discovery.com

Prospect Investigation and De-Risking Using Cognitive Interpretation Workflows, Offshore Equatorial Guinea; #42170 (2017)

Tom Wooltorton, Stephen Leslie, Merritt Smith, Ryan M. Williams, Luis Gomez

Search and Discovery.com

.... ▪ The delivered migrated cubes used Kirchhoff pre-stack time migration, interpolated at 12.5 x 12.5m. ▪ Additional gather conditioning and noise reduction...

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

.... Kirchhoff migration is one of the most typical ray-based imaging methods (Gray, 1986; Docherty, 1991; Gray and May, 1994; Bevc, 1997). It calculates...

Seismic Foldout: Chasing the Many Plays of the Mauritanian Margin

ION, Elisabeth Gillbard, Paul Bellingham

GEO ExPro Magazine

...-multiple techniques, deghosting, interpretation-led FWI and tomographic velocity modelling, and high-frequency RTM alongside full bandwidth Kirchhoff...

Application of Anisotropic Depth Imaging Onshore

Scott Sutherland, Marianne Rauch-Davies

Unconventional Resources Technology Conference (URTEC)

... in offshore processing sequences, however, conventional wisdom often dictates that pre-stack depth migration (PSDM) is unnecessary in the onshore, geologically...

Geomechanical prestack depth migration of the Kraken 3D (Browse Basin, Australia)

Jarrod Dunne, Ferudun Kilic, Matthew Zengerer, Pramod Kumar, Hamish Stein, Shiv Pujan Singh, Stephen Gallagher

Petroleum Exploration Society of Australia (PESA)

... lithologies expected in the Kraken 3D area. Kirchhoff prestack depth migration was revisited from archived preprocessed gathers using the geomechanical model...

Seismic lineaments characterization using independent component analysis

Abdulmohsen AlAli, Yazeed Altowairqi, Constantinos Tsingas, Ali AlSultan

International Meeting for Applied Geoscience and Energy (IMAGE)

.... We use Kirchhoff time imaging to compute the 5D dip-angle gathers (Liu et al. 2016). Under this implementation, each imaging location is spread over...

Abstracts: Feasibility of 4D Multicomponent Seismic Methods for Monitoring CO2 Storage in the Redwater Leduc Reef, Alberta; #90173 (2015)

Taher M. Sodagar and Don C. Lawton

Search and Discovery.com

... of trailing traces in the shot gathers for the PS data, followed by 3D Kirchhoff pre-stack time migration (PSTM) in ProMax software, and 3D Kirchhoff...

Three-dimensional facies architecture and three-dimensional calcite concretion distributions in a tide-influenced delta front, Wall Creek Member, Frontier Formation, Wyoming

Keumsuk Lee, M. Royhan Gani, George A. McMechan, Janok P. Bhattacharya, Stephanie L. Nyman, Xiaoxian Zeng

AAPG Bulletin

...., and G. A. McMechan, 1996, Implementation of 3-D prestack Kirchhoff migration, with application to data from the Ouachita frontal thrust zone...

Seismic Foldout: Offshore Brazil: Reducing Risk with Regional 3D Reprocessing

Andrew Hartwig, TGS

GEO ExPro Magazine

...: Reducing Risk with Regional 3D Reprocessing Kirchhoff migration, seismic cross section of Picanha Phase 7 with velocity model overlay in Santos Basin. 30...

Imaging Beneath Gas - A Prestack Depth Migration Case Study (Paper 34)

Osman Khan, Uwe Klein-Helmkamp, Peter Whiting, Tim Chapman

Geological Society of Malaysia (GSM)

...Imaging Beneath Gas - A Prestack Depth Migration Case Study (Paper 34) Osman Khan, Uwe Klein-Helmkamp, Peter Whiting, Tim Chapman Warta Geologi...

Stratigraphic and Structural Interpretations Using Diffraction Seismograms

Richard K. Snavely , A.K.M. Sarwar

GCAGS Transactions

..., Formation velocity and density - the diagnostic basics for stratigraphic traps: Geophysics, v. 39, p. 770-780. Hash, T.M., 1983, Kirchhoff...

Application of 3D converted wave processing technology in imaging of gas cloud area

Mingxing Xue, Zhijun Zhang, Jinhui Zhang, Zhen Ma

International Meeting for Applied Geoscience and Energy (IMAGE)

... time migration,anisotropic prestack Kirchhoff time migration of converted wave can be Second International Meeting for Applied Geoscience & Energy...

The Magic of Depth Imaging in a Complex Geological Setting … A Case Study from Upper Indus Basin (Pakistan), #42330 (2018).

Syed Firasat Shah, Musharaf Sajjad

Search and Discovery.com

... of the upper Indus Basin of Pakistan. Based on a workflow for pre-stack depth imaging, Anisotropic Reverse Time Migration (TTI RTM) was carried out...

Danish Sector: Insight into Mature and Deeper Plays

Will Bradbury, Steve Drewell, Gulnara Hickman, TGS

GEO ExPro Magazine

...-stack Kirchhoff time migration. A second pass of hi-resolution Radon de-multiple was performed post migration, followed by additional noise attenuation...

New geological insights gained from the reprocessing, imaging, and interpretation of legacy seismic datasetsOffshore Mauritania

Kranthi Garidepalli, Elisabeth Gillbard, Simon Dean, Darren Judd, Nassim Kettouche, Paul Bellingham

International Meeting for Applied Geoscience and Energy (IMAGE)

... geometries and imaging the pre-salt sediments that are complimented with full-bandwidth Kirchhoff migration to provide detailed imaging. The output from...