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The AAPG/Datapages Combined Publications Database

Showing 33,168 Results. Searched 200,685 documents.

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Ascending

Seismic Imaging of the Overturned Limb of a Footwall Syncline in the Alberta Foothills of the Canadian Rocky Mountains and Its Impact on Exploration; #30533 (2017)

Andrew C. Newson

Search and Discovery.com

... improvement, and the definition of robust velocity functions. This was followed by the Kirchhoff PSTM. (Geosystems, 2006). Pre Stack Depth Migration...

2017

Critical Analysis of Stack Seismic Systems

L. E. Nugent, Jr.

AAPG Bulletin

... by velocity variations and formation dip. End_Page 955------------------------------ migration, an absolutely essential factor for accurate interpretation...

1967

Fractured Reservoir Prediction … A Case Study in the Sichuan Basin; #10512 (2013)

Ling Yun, Xiangyu Guo, Qianggong Song, and Weisheng He

Search and Discovery.com

.... Afterwards, NMO velocity can be obtain via velocity analysis according to the criterion of flattening the reflections. The velocity spectrum, picked NMO...

2013

High Resolution Cross-Well Reflection Imaging and Its Application in West Texas

Tien-when Lo, Don L. Howlett, Stephen A. Hoye

West Texas Geological Society

.... For the purpose of migration, a velocity model was constructed by interpolating sonic logs between both wells. A Kirchhoff migration was then applied...

1994

Three-Dimensional Depth Imaging of Seismic Data to Assess Subsurface Geology in Northern Utah and Southwestern Wyoming

Alvin K. Benson

Utah Geological Association

...) stacked seismic section (figure 10) from the study area was generated with normal moveout corrections based upon conventional velocity analysis...

1999

Abstract: Reverse Time Migration of Prestack Elastic Data; #90224 (2015)

R. Ferner and M. D. Sacchi

Search and Discovery.com

... in heterogeneous media: Velocity-stress finite-difference method: Geophysics, 51, 889–901. Whitmore, N. D., 1983, Iterative depth migration by backward time...

2015

Computation of phase velocity direction using normalized wavefields

Kwangjin Yoon, Jungkyun Hyun

International Meeting for Applied Geoscience and Energy (IMAGE)

...Computation of phase velocity direction using normalized wavefields Kwangjin Yoon, Jungkyun Hyun Computation of phase velocity direction using...

2024

High Velocity Zones in Deep Mini-Basin Miocene Sediments, Eugene Island, Northern Gulf of Mexico; #40613 (2010)

Fred F.C. Snyder; N. Biles; L. Den Boer; P. Hooyman; G. Jamieson; C. Sayers

Search and Discovery.com

...) The Leading Edge, 21, 188-192. ~20,000 ft ~10,000 ft Velocity model and sediment flood migration - Inline 8418 Reference markers Anomalies...

2010

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: 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

...Abstract: Least Square Migration in Image domain (LSMi) along with Better Velocity Modeling Improves Subsalt Imaging, Offshore Mediterranean, Case...

2018

Australia: Depth Reprocessing Rejuvenates Gippsland Basin

Peter Baillie, Paul Carter, Jarrad Grahame, Joe Zhou, Nigel Mudge, CGG

GEO ExPro Magazine

... to extensive multiple generation and data contamination. The impact on data quality in this area is exacerbated by the presence of high-velocity...

2019

Seismic Reflections from a Lau Basin Magma Chamber

Janet L. Morton, Norman H. Sleep

Circum Pacific Council Publications

... interval velocity for the material between the seafloor and reflector A. We used this velocity, 4.8 km/s, for the migration. Our velocity analysis assumes...

1985

Abstract: Comparative Study on 2D Microseismic Source Location with Synthetic Seismograms Recorded by Borehole- and Surfacereceiver Arrays; #90224 (2015)

Anton Biryukov, Simon G.E. Harvey, and Giovanni Grasselli

Search and Discovery.com

..., velocity and anisotropic parameter analysis and modeling, and velocity updates. A complete discussion of velocity model building is out of the scope...

2015

Abstract: Comprehensive Technology for Complex Targets Research with Electromagnetic, Gravity, Magnetic and Seismic Data and its Applications; #90319 (2018)

Zhi Zhao, Dechun Li, Zhao Li

Search and Discovery.com

... data. The velocity model obtained is used in the pre-stacking depth migration, greatly improving the resolution of traps prediction. The three wells...

2018

Three-Dimensional Depth Imaging of Seismic Data, with Examples from the Overthrust Belt of Southwestern Wyoming

Alvin K. Benson

Wyoming Geological Association

... (a) the complications produced by rapid lateral velocity changes, velocity pull-up, etc., and (b) the necessity of using a depth imaging process versus...

1995

Enhanced Reservoir Characterization and Permeability Prediction of Heterogeneous Carbonate Reservoirs from Sonic Velocity and Digital Image Analysis; #50689 (2012)

John E. Thornton and G. Michael Grammer

Search and Discovery.com

...Enhanced Reservoir Characterization and Permeability Prediction of Heterogeneous Carbonate Reservoirs from Sonic Velocity and Digital Image Analysis...

2012

Reducing charge risk using velocities from elastic FWI and sparse node OBN

Nathan Van Farowe

International Meeting for Applied Geoscience and Energy (IMAGE)

... and offset well analysis are not very effective for assessing charge risk. However, the detailed velocity models produced from elastic FWI and sparse node...

2024

The Evolution of FWI and its Perceived Benefits

Tony Martin, Andrew Long

Australian Petroleum Production & Exploration Association (APPEA) Journal

... analysis, estimate elastic properties and prospect derisking. Collectively, we demonstrate how to produce high-resolution velocity models when...

2019

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