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The AAPG/Datapages Combined Publications Database
Showing 791 Results. Searched 198,814 documents.
2D Pre-Stack Depth Migration : Application to Inverted Grabens
C. Bunks, P. L. Pichon, L. Ben Brahim, Sekar Sakti
Indonesian Petroleum Association
... down and verification of dips are amongst the benefits of this process. Bunks, C., 1992. Optimization of paraxial wave equation operator coefficients...
1993
Multi-scale anisotropic dispersion and attenuation in VTI media with penny-shaped cracks
Yanwen Feng, Zhaoyun Zong, Guangzhi Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... with penny-shaped cracks. Based on the proposed approach, we derive the wave equation of the model including three WIFF mechanisms (the global fluid flow...
2023
Three-Dimensional Depth Imaging of Seismic Data to Assess Subsurface Geology in Northern Utah and Southwestern Wyoming
Alvin K. Benson
Utah Geological Association
...-imaging algorithm. Typically, this is initiated by trying to solve the 3-D scalar wave equation for stacked data. Imaging would then involve a single...
1999
FWI derived reflectivity gathers in angle domain
Hu Jin, Simon Luo, Qingqing Liao, Xukai Shen, Ganyuan Xia, Madhav Vyas
International Meeting for Applied Geoscience and Energy (IMAGE)
... AVA response both in extra-salt and subsalt areas. We compare three algorithms: wave-equation traveltime Kirchhoff (WETK), FDR surface-offset gathers...
2024
A prior regularized 3D full-waveform inversion using 2D generative diffusion models
Fu Wang, Tariq Alkhalifah, Xinquan Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
..., F is the wave equation operator (like that for the acoustic wave equation with constant density), and R denotes an implicit or explicit regularization...
2024
Three-Dimensional Depth Imaging of Seismic Data, with Examples from the Overthrust Belt of Southwestern Wyoming
Alvin K. Benson
Wyoming Geological Association
...) depth imaging algorithm. Typically, one starts by trying to solve the 3-D scalar wave equation for stacked data. Imaging would then involve a single...
1995
Delineation of the Reservoir by Seismic Methods: Chapter 3
Roberto Sarmiento
AAPG Special Volumes
... and seismic modeling, acoustic impedance logs, stacking velocities from common depth points, applications of wave equation, three-dimensional surveying...
1989
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
...). With the dramatic improvement in high-performance computing over the past three decades, the wave-equation imaging methods, including one-way wave...
2024
Seismic Exploration in Railroad Valley, Nevada
John H. Vreeland, Bert H. Berrong
Rocky Mountain Association of Geologists
... of the valley fill can be deceiving, as discussed below, For these reasons, it is necessary to use wave-equation migration on each line. The surfaces being...
1979
Estimate near-surface velocity with reversals using deep learning and full-waveform inversion
Yong Ma, Xu Ji, Weiguang He, Tong Fei
International Meeting for Applied Geoscience and Energy (IMAGE)
.../10.1038/nature14539. Luo, Y., and G. T. Schuster, 1991, Wave-equation traveltime inversion: Geophysics, 56, 645–653, doi: https://doi.org/10.1190/1.1443081...
2022
Measurements Derived from Seismic Data as an Aid in Hydrocarbon Definition
R. E. Sheriff, M. T. Taner, F. P. Kronberger, L. R. Denham
Indonesian Petroleum Association
... and they have been migrated by the wave-equation method; a well is located near the line intersection. Figure 3. Phase section across field where production...
1979
Next-generation resolution through multiparameter FWI imaging
Tom Rayment, James McLeman, Karen Dancer, Tim Burgess
International Meeting for Applied Geoscience and Energy (IMAGE)
...). This approach uses an augmented acoustic wave equation to update velocity and an AVA-related reflectivity simultaneously. The separation of the migration...
2022
High Frequency Full Waveform Inversion as an Interpretation Solution
Laurence Letki, Matt Lamont, Troy Thompson
Australian Petroleum Production & Exploration Association (APPEA) Journal
... to develop better tools and to use better physics to build models of the subsurface. Wave-equation based techniques, such as full waveform inversion (FWI...
2019
Leveraging legacy data: An onshore reprocessing case study from eastern Australia
Bahaa Soliman, Catalina L. Ocampo, Oscar Garcia, Andy Walz, Anthony Goodall, Emily Guidry
International Meeting for Applied Geoscience and Energy (IMAGE)
...) is a wave-equation prediction based on convolution and cross-correlation of recorded traces (Jakubowicz, 1998). As it does not rely on dip or velocity...
2022
Broadband Seismic Technology and Beyond: PART X: IsoMetrix Isometric Sampling
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... for the two other components of the velocity measurement, he wonders? Using Crossline Data Let’s go back to basics. The acoustic wave equation governs...
2014
Assessing properties of internal multiples for different geologies
Paul Ras, Mikhail Davydenko, Eric Verschuur
International Meeting for Applied Geoscience and Energy (IMAGE)
..., and D. J. Verschuur, 2017, Quantitative prediction of injected CO2 at Sleipner using wave-equation based AVO: First Break, 35, 65–70, doi: https...
2022
PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study
Morgan P. Brown, Joseph H. Higginbotham, Dave List, Chris Lang
Unconventional Resources Technology Conference (URTEC)
... anisotropic PSDM. Azimuthal velocity analysis using Wave Equation PSDM (WEM) azimuth angle gathers indicates a very weak level of overburden azimuthal...
2013
RTM method of prismatic-waves under the undulating surface: A case study of the Longmen Piedmont
Bo Ma, Yingming Qu, Zhenchun Li, Jianggui Zhu, Chang Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... methods appear to solve these imaging problems. It is found that the curved grid reverse time migration technology based on the two-way wave equation can...
2022
Reduciendo el Riesgo Exploratorio con Nuevas Tecnologías en Aguas Profundas en la Costa Afuera de Angola y Brasil [PAPER IN SPANISH] Reduce Exploration Risk with New Technologies in Deepwater Offshore in Angola and Brazil
Claudia Ruiz-Graham
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... algoritmos Kirchhoff y CAWE (common azimuth wave equation) ha mejorado substancialmente la imagen sísmica sub-sal. Esta tecnología junto con el análisis de...
2006
UK Continental Shelf: An Evolution in 3D Seismic Imaging of the Central North Sea
Matthew Dack, Gregor Duval, CGG
GEO ExPro Magazine
... are comprised of highly faulted and rotated fault blocks. The use of advanced multiple-suppression algorithms, such as 3D SRME, MWD and Wave-Equation...
2021
Application of Fullwaveform Tomography to VSP Walkaway Data
Eric Takam Takougang, Youcef Bouzidi
Petroleum Exploration Society of Australia (PESA)
... is necessary to ensure that they can be predicted by the acoustic wave-equation. Figure 1 shows a receiver gather at shallow depth; the presence of what...
2016
Improving seismic resolution by reprocessing multiple surveys at Na Kika field
Qingsong Li, Robert (Bobby) Chrisman, Dale Baptiste, Yan Liu, Dhvanil Patel, Carlos Rivas Aroni
International Meeting for Applied Geoscience and Energy (IMAGE)
... Society of Exploration Geophysicists and the American Association of Petroleum Geologists Improving Seismic Resolution Both RTM and wave equation...
2023
High-Resolution Anisotropic Earth Model Building on Conventional Seismic Data Using Full-Waveform Inversion: an Offshore Australia Case Study
Bee Jik Lim, Denes Vigh, Stephen Alwon, Saeeda Hydal, Martin Bayly, Chris Manuel, Dimitri Chagalov, Gary Hampson, Dimitri Bevc
Indonesian Petroleum Association
... incorporating the full two-way wave equation. FWI produces an accurate high resolution earth model by simultaneously using the information of traveltime...
2014
A simple modeling experiment for understanding the impact of noise on high-resolution high-density near surface seismic reflection data
Ted Stieglitz, Jim Pfeiffer, Juan Ortega, Doug Laymon
International Meeting for Applied Geoscience and Energy (IMAGE)
.... To extend our hypothesis beyond ray-based assumptions, we also consider wave equation operators which rely on a completely different imaging condition...
2024
High resolution imaging using multiples A North Sea case study
Chandan Kumar, Rodney Johnston, Petr Jilek, Xiaolei Song, Mikhail Davydenko
International Meeting for Applied Geoscience and Energy (IMAGE)
... implemented here offers many benefits – no signal processing required (recorded data itself is used as source), low cost of (one-way wave equation...
2024