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The AAPG/Datapages Combined Publications Database
Showing 801 Results. Searched 200,619 documents.
Beam Migration for Imaging of Complex Structures
Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki
Indonesian Petroleum Association
... iterations of tomographic velocity updating. Results from the Beam migration are proving to be superior to Kirchhoff and wave equation results...
2009
Supercomputers for Beginners: PART III: GPU-Accelerated Computing
Lasse Amundsen, Martin Landrø, Børge Arntsen
GEO ExPro Magazine
..., and secondly an increase in the volume of acquired seismic data to be imaged. Elastic migration, based on the elastic, anisotropic wave equation...
2016
Acoustic modelling with elastic AVA effects
Robin P. Fletcher, James Hobro, James Rickett
International Meeting for Applied Geoscience and Energy (IMAGE)
...-free shear wave propagation. In this paper we propose a new acoustic wave equation, derived using linearized plane-wave reflection coefficient theory...
2023
Optimal transport for elastic source inversion
Tyler Masthay, Björn Engquist
International Meeting for Applied Geoscience and Energy (IMAGE)
... the acoustic wave equation, which is less accurate than the elastic wave equation. In this paper, we extend these results to elastic source inversion in two...
2023
A Comparative Study of Wave Equation Multiple Suppression to Conventional Tau-p Deconvolution and Radon Multiple Attenuation Methods
Kriyanti Setiyono, Ken H. Matson
Indonesian Petroleum Association
...A Comparative Study of Wave Equation Multiple Suppression to Conventional Tau-p Deconvolution and Radon Multiple Attenuation Methods Kriyanti...
2000
Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method
Tianfei Zhu
Search and Discovery.com
... Consider the wave equation in the frequency domain: 2 < Z2 V 2 (x ) < 0. (1) ART seeks an approximate solution to the wave equation in the form...
Unknown
Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method
Tianfei Zhu
Search and Discovery.com
... Consider the wave equation in the frequency domain: 2 < Z2 V 2 (x ) < 0. (1) ART seeks an approximate solution to the wave equation in the form...
Unknown
Abstract: Parallel Implementation of Pre-stack Least-squares Migration for Distributed Systems; #90171 (2013)
Sam T. Kaplan
Search and Discovery.com
..., Canada [email protected] Summary Least-squares wave-equation pre-stack depth migration is a computationally expensive algorithm, requiring repeated...
2013
Time-domain extended-source full-waveform inversion for acoustic vertically transversely isotropic media: Theory and numerical validation
Gaoshan Guo, Stephane Operto, Hossein S. Aghamiry
International Meeting for Applied Geoscience and Energy (IMAGE)
... Inversion (ES-FWI) is a promising method to mitigate cycle-skipping resulting from crude initial models. Relaxing the wave equation constraint...
2023
Application of inversion to support exploration and development growth opportunity maturation across the North West Shelf asset, Australia
Matthew Docherty, John Coffin
Australian Energy Producers Journal
... reservoirs. To support further exploration and infill opportunity maturation, several seismic wave-equation-based amplitude variation with offset...
2025
Determination of Depth Models Through Self-Consistent Structural Modeling to Help Delineate Hydrocarbon Traps in the Uinta Basin
Alvin K. Benson
Utah Geological Association
... 219 226 Seismic reflection data can be modeled using the wave equation (or ray tracing) to help “unravel” complex geology. This approach is needed...
1992
One-way full-waveform inversion using frequency-domain model extension
Rustam Akhmadiev, Biondo Biondi, Robert G. Clapp
International Meeting for Applied Geoscience and Energy (IMAGE)
... and theoretical advantages. Using frequency-domain (complex-valued) slowness model leads to a modified (extended) wave equation. Solving this equation...
2024
Abstract: Full Waveform Inversion of Crosswell Seismic Data Using Automatic Differentiation; #90187 (2014)
Danping Cao and Wenyuan Liao
Search and Discovery.com
...-fitting procedure based on the seismic waveform data to estimate the model parameters, which usually appear as coefficients in a wave equation. The most...
2014
Image - Rays and the Treatment of Inhomogeneity in Migration
L. Hatton
Southeast Asia Petroleum Exploration Society (SEAPEX)
... in the treatment of inhomogeneity in wave-equation migration processes. A further object is to present some heuristic rules, using image-ray tracing, to enable...
1980
II. Migration to Remedy Geometric Distortions
Robert E. Sheriff
AAPG Special Volumes
... and Kirchhoff migration wave-equation migration (finite-difference migration and frequency-domain migration of several kinds). This list is rather...
1981
What is Horizontal Resolution?
L. R. Denham, R. E. Sheriff
Indonesian Petroleum Association
...., LU, L., ROBERSON, R., SHERWOOD, J., 1976, The wave equation applied to migration. Geophysical Prospecting v. 24 pp. 380-3399. NEIDELL, N.S....
1981
2D isotropic and vertical transversely isotropic RTM using SEG Hess VTI Model
Richa Rastogi, Abhishek Srivastava, Monika Gawade, Nithu Mangalath, Laxmaiah Bathula, Bhushan Mahajan, Suhas Phadke
International Meeting for Applied Geoscience and Energy (IMAGE)
... wave equation for wavefield extrapolation and avoids the approximation of wave equation. RTM algorithm is computationally very expensive. Higher...
2022
Nonlinear LS-RTM based on the seismic scale separation and full-wavefield multiparameter FWI
ystein Korsmo, Yang Yang, Nizar Chemingui, Andrey Pankov, Antonio Castiello
International Meeting for Applied Geoscience and Energy (IMAGE)
... acoustic wavefield to update the velocity and reflectivity models, our solution utilizes an alternative formulation of the wave-equation, based...
2022
Reflection waveform inversion assisted by full-wavefield imaging
Mikhail Davydenko, Eric Verschuur
International Meeting for Applied Geoscience and Energy (IMAGE)
... 2014b), both based on a one-way wave equation, and translate this concept to a two-way wave equation framework. A similar approach has been introduced...
2022
Eikonal equation-based adjoint-state characteristic reflection traveltime tomography: Method and application in real dataset
Jianming Zhang, Liangguo Dong, Jianhua Wang, Yilin Wang, Chao Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
... to the fixed reflector in the conventional ASRT. Compared to the wave-equation-based reflection traveltime inversion methods, the inversion efficiency...
2023
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
... Summary In this report an algorithm based on the finite difference approximation of the 2D acoustic wave equation has been implemented to create synthetic...
2015
Front Matter: Proceedings of the Southeast Asia Petroleum Exploration Society - Volume IV - 1977/78
P. W. Anderton, L. R. Beddoes, Jr., C. S. Kenyon
Southeast Asia Petroleum Exploration Society (SEAPEX)
... for risk-analysis methods in evaluating exploration investment decisions. Dr. Lee Lu presented his paper on wave equation migration to SEAPEX...
1978
Star: Shallow Time Anomaly Replacement
Michael O. Marcoux, Lee Lu
Southeast Asia Petroleum Exploration Society (SEAPEX)
... predictions based on ray considerations only. This aspect is investigated using wave equation modelling. The effect on the reflection time curve...
1982
A Methodology for Selecting Optimal Pipe Rocking Regimes during Slide Drilling
Ian Rostagno, Michael Yi, Pradeepkumar Ashok, Eric van Oort, Ben Potash, Chris Mullin
Unconventional Resources Technology Conference (URTEC)
... and the wellbore. Drillstring dynamics was then simulated using a torsional damped wave equation applying finite difference approximations. Finally...
2019
Abstract: Applicability of TTI RTM to Structured Land Datasets; #90172 (2014)
Charles Ursenbach, Yan Yan
Search and Discovery.com
... as dictated by the wave equation. Other methods involve approximations to the wave equation, such as ray tracing or directional propagation, and thus may...
2014