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Welcome to the new Datapages Archives

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The AAPG/Datapages Combined Publications Database

Showing 33,130 Results. Searched 200,357 documents.

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What Are You Interpreting? Your Seismic Image Could Be Misleading You!

R. T. Newrick, E. P. Gomez, J. K. Pullishy, S. D. Jensen, J. M. de Armas

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... velocities estimated from well logs. The initial depth migration improved reflectivity in the near surface so an additional layer was added to the model...

2006

Pre-Stack Imaging: Time or Depth? (Paper 25)

Carl Notfors, Peter Whiting, Geoff Mansfield

Geological Society of Malaysia (GSM)

... surface where the velocities vary laterally. A combination of the approximations in the NMO, DMO and zero-offset migration steps can lead to poor estimates...

2000

Abstract: When Surface Waves Become our Zoom-in Lens„a Case Study from Western Desert Of Egypt; #91204 (2023)

Fatma Ibrahim

Search and Discovery.com

... to primary velocities to be used in statics and migration; however, there were no direct sources of information about Vp to Vs ratio in the area. To overcome...

2023

Integration of Geologic Data into Structural Imaging of the Andean Subthrust, Peru; #41605 (2015)

Margaret A. Stratton, Robert Vestrum, Dennis Ellison

Search and Discovery.com

... velocity model in this complex-structure environment, we decided to reprocess the lines through to anisotropic depth migration. Geologic constraints...

2015

Abstract: Seismic Imaging of Imbricate Structures in Mountainous Area: Case Studies; #90211 (2015)

Nanxun Dai, Oz Yilmaz, Weizhong Wang, and Jie Zhang

Search and Discovery.com

... time migration is built based on migrated images combined with powerful interactive tools to pick rms velocities that are structurally consistent...

2015

Mapping with Two-Dimensional Seismic Data: Part 7. Geophysical Methods

I. R. Gordon

AAPG Special Volumes

... datums are chosen for the statics routine. Small misties may also result because normal migration routines cannot compensate perfectly for the geometry...

1992

Advances in Depth Imaging Technology: Rock Physics Guided Migration of Seismic Data in 3D

Nader C. Dutta, Sherman Yang, Jianchun Dai

Indonesian Petroleum Association

... as a guide. The model in turn drives any seismic migration algorithm. For seismic velocities at any depth, velocity conditioning is achieved...

2012

AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction

David W. Bell

AAPG Special Volumes

... and ability to handle lateral velocity changes. All migration codes require an input velocity field. Commonly, migration velocities available from...

2001

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...

2003

Settling Velocities of Quartz and Tourmaline in Eolian Sandstone Strata

James R. Steidtmann, Harry C. Haywood

Journal of Sedimentary Research (SEPM)

...Settling Velocities of Quartz and Tourmaline in Eolian Sandstone Strata James R. Steidtmann, Harry C. Haywood 1982 Vol. 52 No. 2. (June), Cumulative...

1982

Abstract: 2D Depth Velocity Analysis without Tomography; #90187 (2014)

J. Patrick Butler and Randy Kolesar

Search and Discovery.com

... are then ray traced to create travel times tables for prestack depth migration. However, though it has been very successful on large 3D marine...

2014

ABSTRACT Post-Closure Buoyancy-Driven Leakage of Sequestered CO2 Along Fault Zones, #90104 (2010)

Simms Michael A.; Garven Grant

Search and Discovery.com

... confining zones. During long‐term  post‐closure care of sequestered CO2, there is potential for unanticipated migration directions of the CO2 plume...

2010

ABSTRACT: Well-Seismic Tie in the Sub-Salt Wells, Deep-water Area in the Gulf of Mexico: A Valuable Indicator of Anisotropy; #90108 (2010)

Huyen Bui, Peck Hwa David Ng, Javaid Durrani, David Becker, and Martiris Smith

Search and Discovery.com

... affecting the well-to-seismic tie is the migration velocity, because incorrect velocities result in lateral and vertical mispositioning of reflections...

2010

Abstract: Diabase Sill Intrusions in the Parnaiba Basin: Imaging Challenges, Velocity Modeling and Seismic Interpretation; #90255 (2017)

Diogo Michelon, Roberto Ribeiro, João Caldeira, Paulo Roberto Cunha, Frederico Miranda

Search and Discovery.com

... divided by the interpreted reflectors; layers' slicing the model due to the stratigraphy; input of the velocities from the logs of the drilled wells; input...

2017

Abstract: Improved PSDM Imaging Workflow by Integrating Near Surface and Well Velocities; #90319 (2018)

Duryodhan Epili, Hani Alzharani, Adam J. Fox, Luke LaFreniere

Search and Discovery.com

...Abstract: Improved PSDM Imaging Workflow by Integrating Near Surface and Well Velocities; #90319 (2018) Duryodhan Epili, Hani Alzharani, Adam J. Fox...

2018

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