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The AAPG/Datapages Combined Publications Database

Showing 802 Results. Searched 200,685 documents.

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EXTENDED ABSTRACT: Advances and Challenges in Seismic Data Processing and Imaging for Geologically Complex Areas

Rubén D. Martínez

GCAGS Transactions

... be achieved using hi-end imaging algorithms such as anisotropic prestack one-way wave equation migration or reverse time migration (Crawley, 2010). As high...

2011

Integrating Seismic Imaging and Inversion

Francisco Bolivar, Richard Cooper, Lucy MacGregor, Jacqueline O’Connor, Jeff Codd, David Kessler

GEO ExPro Magazine

... a synthetic model (i.e. when the answer is known) was used. An elastic model was developed and seismic simulation using the full elastic wave equation...

2017

Removing the discretization errors for the fractional spatial derivatives based constant-Q viscoelastic wave equation modeling

Hongyu Zhou, Jing Wang, Yang Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

...Removing the discretization errors for the fractional spatial derivatives based constant-Q viscoelastic wave equation modeling Hongyu Zhou, Jing Wang...

2022

A case study of TORT migration imaging of strike-slip faults in Mahu area, Junggar Basin

Hanqing Huang, Daoshan Li, Wei Chai, Hongdan Gu, Yongchang Lv, Yong Wang, Lijuan Huang, WenShan Luo

International Meeting for Applied Geoscience and Energy (IMAGE)

... of Petroleum Geologists REFERENCES Alkhalifah, T., 2003, An acoustic wave equation for orthorhombic anisotropy: Geophysics, 68, 1169–1172, doi: https...

2023

Application of finite difference eikonal solver for traveltime computation in forward modeling and migration

Amir Mustaqim Majdi, Seyed Yaser Moussavi Alashloo, Nik Nur Anis Amalina Nik Mohd Hassan, Abdul Rahim Md Arshad, Abdul Halim Abdul Latiff

Geological Society of Malaysia (GSM)

... be computed by solving wave equation of the ray path or the eikonal wave equation. Accurate method of computing traveltimes will give a significant impact...

2021

Regional exploration of crustal structures from long-offset OBN data by extended-source FWI

Gaoshan Guo, Stéphane Operto

International Meeting for Applied Geoscience and Energy (IMAGE)

... the true model by minimizing the scattering sources (wave-equation errors). Accordingly, data are matched arbitrarily well and cycle skipping is avoided...

2024

Integrating seismic inversion in static models to capture geological heterogeneity and improve exploration outcomes

Cristina Angheluta, Megan Slade, Bonnie Henderson, David Kulikowski

Petroleum Exploration Society of Australia (PESA)

... datasets were used to refine the static model inputs – one set was derived from WEB-AVO (Wave Equation Based AVO) inversion and a second set was derived...

2019

Nightmare Multiples — A Step Towards a Solution

George Yao, Bob Estill, Daniel Heinze, Hans Tieman, Yusri, Jim Waugaman

Indonesian Petroleum Association

... in the multiple wavefield. Numerous multiple-suppression techniques such as wave equation, high resolution radon, fk, and pattern matching have been...

2003

Memory-efficient frequency-domain least-squares RTM using low-rank Greens functions via randomized SVD

Daniel E. Revelo, Reynam C. Pestana, Diego F. Barrera, Rodrigo S. Santos

International Meeting for Applied Geoscience and Energy (IMAGE)

...-propagating field data using the two-way wave-equation (Ren et al., 2013), has been proven to be the most accurate imaging technique because of the ability...

2024

Thinking in Depth

Jim Durrant

Petroleum Exploration Society of Australia (PESA)

... y uses an Tim e m igration approximatio n to the scalar wave equation, w hic h co llapses diffractions but does not account for lateral veloc ity...

1995

Seeing through the Salt

Jerry Kapoor, Nick Moldoveanu, Denes Vigh

GCAGS Transactions

... acoustic version of full-waveform inversion using the two-way wave equation with an elastic correction factor to model seismic data using an initial...

2013

Abstract: Seismic Imaging near and within the Basement Offshore Malaysia; Including Comparisons of Imaging Algorithms (Geophysics Paper 19)

Nabil El Kady, M. Shah Sulaiman, Zabidi M Dom, Tang Wai Hoong, Lee Mei Lu, Pavel Vasilyev, Martin Bayly

Geological Society of Malaysia (GSM)

... an imaging algorithm that comprehends both down going and up going wave propagation, namely a two-way wave equation implementation. Such an implementation...

2011

Application of VTI PSDM for imaging carbonate structures

Seyed Yaser Moussavi Alashloo, Deva Ghosh, Yasir Bashir, Amir Babasafari

Geological Society of Malaysia (GSM)

... transverse isotropy (VTI) wave equation. A fast marching finite difference approach is used as our eikonal solver since it is fast and stable...

2018

Full Waveform Acoustic Logging: Part 7. Geophysical Methods

C. H. Cheng

AAPG Special Volumes

... versus offset studies, and elastic wave equation migrations, among many other uses. The FWAL is also commonly used to identify and characterize fractures...

1992

Limitations on Resolution of Seismic Reflections and Geologic Detail Derivable from Them: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data

Robert E. Sheriff

AAPG Special Volumes

... relations rather than underneath the locations at which the data are observed. Wave-equation migration clarifies stratigraphic evidences End_Page 3...

1977

Seismic Imaging of Fractures … A Feasibility Study

Larry Lines

Search and Discovery.com

..., L.R., 1997, Seismic modeling and imaging with the complete wave equation, SEG publication, Tulsa, Oklahoma. Lamb, M.A., and Spratt, D.A., 2005...

Unknown

ABSTRACT: Champlain: A Subsalt Discovery in the Deepwater Gulf of Mexico; #90007 (2002)

Wilson, Louise, Brian Cabote, Douglas Weaver, Bo Cribbs, Arthur Leibold

Search and Discovery.com

... of complex geometry in the salt canopy. Therefore, a second PrSDM utilizing a wave equation shot record migration algorithm was performed by Texaco’s depth...

Unknown

Seismic Imaging of Fractures … A Feasibility Study

Larry Lines

Search and Discovery.com

..., L.R., 1997, Seismic modeling and imaging with the complete wave equation, SEG publication, Tulsa, Oklahoma. Lamb, M.A., and Spratt, D.A., 2005...

Unknown

Abstract: Image Enhacement After Migration; #90174 (2014)

John C. Bancroft, Thais Guirigay, and Helen Isaac

Search and Discovery.com

... it applies to all “wave-equation” migrations. Consider the forward process of modelling with linear algebra as (1) Dr  s , where D is a diffraction...

2014

Abstracts: Getting Better Shear-wave Data over Heavy Oil: Rational for Buried Acquisition; #90173 (2015)

Rob Kendall and Richard A. Bale

Search and Discovery.com

...], Elastic Wave-equation Depth Migration of Seismic Data for Isotropic and Azimuthally Anisotropic Media, Ph.D. Thesis, University of Calgary. Bale, R...

2015

Abstracts: Microseismic Event Models from Finite-differencing with Corrections; #90173 (2015)

Peter M. Manning

Search and Discovery.com

...’s techniques, which are very effective because they need target only those terms of the wave equation which propagate shear waves. The third example...

2015

PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study; #80392 (2014)

Morgan P. Brown

Search and Discovery.com

... to justify anisotropic PSDM. Azimuthal velocity analysis using Wave Equation PSDM (WEM) azimuth angle gathers indicates a very weak level of overburden...

2014

CGG 3D Surface-Related Multiple Modelling: A Unique Approach, #41590 (2015).

David Le Meur, Antonio Pica, Terje Weisser

Search and Discovery.com

... and multiples through the target volume is modelled using the one-way wave equation. The method therefore handles well the problems of cable feathering...

2015

What Causes those Annoying Stair-Step Artifacts on Coherence Volumes?; #42036 (2017)

Tengfei Lin, Kurt J. Marfurt

Search and Discovery.com

... reflectivity model showing faults with dips of 500, 600, 700 and 800. Synthetics were generated using a 2-D finite difference solution of the wave...

2017

3D Prestack Waveform Inversion - A Real Data Example from the Rock Springs Uplift, Wyoming, #70258 (2017).

Josiane Pafeng, Subhashis Mallick, Hema Sharma

Search and Discovery.com

... inversion (PWI) solve the full wave equation and have given high quality results. PWI is very computation-intensive and was thus rewritten in a multilevel...

2017

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