Imaging in Complex Environments … Common Reflection Angle Migration

Graham A. Winbow

Indonesian Petroleum Association

...Imaging in Complex Environments … Common Reflection Angle Migration Graham A. Winbow © IPA, 2011 - 31st Annual Convention Proceedings, 2007...

Abstract: Challenges in AVO Compliant Processing of Multiple Surveys; #90171 (2013)

Greg Cameron, Josef Heim, Frederik Horn, and Andy Dyke

Search and Discovery.com

.... A common offset Kirchhoff Pre-Stack Time Migration doesn’t require regularly sampled input data; but will show more footprint and amplitude...

Abstract: Challenges in AVO Compliant Processing of Multiple Surveys; #90171 (2013)

Greg Cameron, Josef Heim, Frederik Horn, and Andy Dyke

Search and Discovery.com

.... A common offset Kirchhoff Pre-Stack Time Migration doesn’t require regularly sampled input data; but will show more footprint and amplitude...

Observations of Azimuthal Anisotropy in Prestack Seismic Data, #41572 (2015).

David Gray

Search and Discovery.com

... (2001) describe a means of displaying prestack offset and azimuth data as a 3D cube. Henceforth, this will be referred to as a COCA (Common-Offset...

Abstract: Efficient Broadband Marine Acquisition and Processing for Improved Resolution and Deep Imaging; #90172 (2014)

Ed Kragh, Tim Brice, Tony Curtis, Josef Heim, Deepak Kapadia, Morten Svendsen

Search and Discovery.com

... then be performed in the common-offset crossline domain to regularize the low-frequency data to the same grid as the high-frequency data from the shallow...

Wavelet Processing

Lee Lu

Indonesian Petroleum Association

... in the data are attenuated quite effectively. The source wavelet in trace 40 is now collapsed to a zero phase wavelet. The common offset gather of trace 40...

Improving Stratigraphic and Structural Interpretation of Suban 3D Through Advanced Reprocessing

Safitri Nurida, Irfan Yuliandri Syukri, Ludy Andria

Indonesian Petroleum Association

..., and it can provide higher signal to noise ratio. * Compared to the previous processing data, the newly reprocessed 3D pre-stack depth migration stack...

Processing the KTK 3D seismic Survey for Azimuthal Information: San Joaquin Basin, California; #41649 (2015)

M. Lee Bell and Gary Myers

Search and Discovery.com

... information was lost. Another way of organizing the data, called Offset-Vector Tiles came into common use to address this problem. Basically the data...

Marine Multicomponent Seismic – The New Issues in the Developing Revolution

Jason Robinson

Indonesian Petroleum Association

... common offset data extracted from single cross spreads from an orthogonal survey. A single cross spread has uniform, single fold coverage in each bin...

Abstracts: Evaluation of a New 5D Seismic Volume Reconstruction Method: Tensor Completion versus Fourier Reconstruction; #90173 (2015)

Nadia Kreimer and Mauricio D. Sacchi

Search and Discovery.com

.... The problem of seismic data regularization is an essential part of preconditioning strategies prior to multiple suppression, migration and detailed...

Estimating subsurface geostatistical parameters from surface-based GPR reflection data using a deep-learning approach

Yu Liu, James Irving, Klaus Holliger

International Meeting for Applied Geoscience and Energy (IMAGE)

... synthetic common-offset GPR reflection data using an FDTD solution of Maxwell’s equations. The synthetic GPR data are subjected to a standard processing...

Application of Advanced Depth Imaging Technology in Shallow Water Offshore Indonesia

Michael Gidding, Suyang Chen, Steven Wiseman, Moch Asrori, Richard Bolton

Indonesian Petroleum Association

..., pre-stackdepth migration of offset planes was run using aKirchhoff migration, allowing all dips to produce depthmigrated common-image point (CIP...

The Silver Lining on 3D Seismic Acquisition Challenges during the Pandemic Covid19: The Application of 5D Interpolation to Fill in Data Gaps

Pramuditya Dwi Permana, Agi Robby Rizaldi, Afrizon Setiawan, Hendarman

Indonesian Petroleum Association

... be corrected during seismic data processing to create an image of the subsurface to enable geological interpretation. The development of various...

Seismic Processing in the Papua New Guinea Fold Belt - Recent Experience

N. J. Fisher, F. R. Nicholson

Papua New Guinea (PNG) Petroleum Convention Proceedings

... control tool was the use of NMO-corrected common-offset gathers, usually generated at velocity locations. It was important to use only a small number...

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

Search and Discovery.com

Abstract: The Design and Application of Converted-wave COVs; #90187 (2014)

Richard Bale, Tobin Marchand, Keith Wilkinson, and Jeff Deere

Search and Discovery.com

... the concept of the “Common Offset Vector” (COV) (Cary, 1999), also known at the “Offset Vector Tile” (OVT), (Vermeer, 2002). While both approaches have value...

Clari-Fi’: Broadband Data from Conventional Streamer Acquisition

Nic Woodburn, Tom Travis, Hassan Masoomzadeh, TGS

GEO ExPro Magazine

..., common mid-point (CMP), and common offset domains to enhance low frequency sub-basalt primary signal, and minimise both coherent and incoherent...

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

Samuel Gray

Search and Discovery.com

... input gathers, but common-shot or common-receiver GBM (Gray, 2005) does. In particular, common-shot migration migrates data from many different receiver...

ABSTRACT: Acquisition Parameters for Shallow Seismic Data in West Virginia, by Stewart T. Taylor; #91031 (2010)

Search and Discovery.com

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)

... from the depth migration is visible in comparison to time migration even for data outside the structurally deformed, gas-affected zone. Problem Areas...

Abstract: Azimuthal Processing For Unconventional Resource Plays Using An Orthorhombic Velocity Model; #90174 (2014)

Shaowu Wang and David Wilkinson

Search and Discovery.com

..., dip-moveout (DMO) removal and time migration. The estimation of velocity parameters for orthorhombic media is the key for azimuthal processing using...

Estimation of Methane from Kerala - Konkan Onshore Peatlands of South West Coast India by Ground Penetrating Radar Method, #51460 (2018).

K. Devi, Rajesh R Nair

Search and Discovery.com

...) of the subsurface. The common offset radargrams were used to reconstruct the 2-D stratigraphic image of the study site (Figure 3). The GPR data require signal...

Velocity and Velocity

M. Al-Chalabi

Petroleum Exploration Society of Australia (PESA)

... pos1t1oning, the most common form being time-to-depth conversion. Velocity and 'Velocity' ISSUES IN ESTIMATING THE TRUE SUBSURFACE FOCUSING (=DATA QUALITY...

Attenuation of Marine Coherent Noise – A Processing Case History in the East China Sea

Huaien Wang, Liu Guangxin, Curtis E. Hinz, Fred F. C. Snyder

Southeast Asia Petroleum Exploration Society (SEAPEX)

... reflection events are coherent in the common offset plane (COP) while the hyperbolic noise trains have been randomized. It is this random noise that the F-X...

Abstract: DMO Accuracy Requirements for AVO Analysis

Craig J. Beasley

Geological Society of Malaysia (GSM)

... al., 1984). For 2-D DMO, in which the "processing unit" is typically a large group of traces, such as common-offset data or shot gathers, f k DMO...