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The AAPG/Datapages Combined Publications Database

Showing 791 Results. Searched 198,559 documents.

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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 skaplan@ualberta.ca 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

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

Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)

Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen

Search and Discovery.com

... (PSPI) one way wave equation for gradient calculations. In this work we start with the forward Kirchhoff operator for prediction of shot records from...

2014

Abstract: A Joint LSPSM/Inversion Algorithm for High Resolution Time Lapse Imaging; #90187 (2014)

Abdolnaser Yousefzadeh and John C. Bancroft

Search and Discovery.com

... and Biondi (2010) used approximations to the wave equation least squares Hessian matrices to perform their inversion in the image domain. Implementing...

2014

3D Acoustic and Elastic Wave Modeling on a High Performance Computing System, #40899 (2012)

Suhas Phadke, M. Ramanjulu

Search and Discovery.com

... Seismic modeling is an area of significant research in the industry. Wave equation modeling is useful for understanding complex imaging problems...

2012

A practical implementation of data-space Hessian in the time-domain formulation of source extended full-waveform inversion

Gaoshan Guo, Stephane Operto, Ali Gholami, Hossein S. Aghamiry

International Meeting for Applied Geoscience and Energy (IMAGE)

... by pushing back the wavefields toward the wave equation. The authors have recently shown that source extensions are the leastsquares solutions...

2022

Effective interbed multiple attenuation with exploration-scale streamer data from Santos Basin

Xueyi (Alex) Jia, Haiyang Wang, Anatoly Baumstein, YoungHo Cha, Xu Li, Vijay Gottumukkula, Inmaculada Dura-Gomez, Erik Neunmann, Arjun Srinivasan

International Meeting for Applied Geoscience and Energy (IMAGE)

... Jakubowicz, H., 1998, Wave equation prediction and removal of interbed multiples: 68th Annual International Meeting, SEG, Expanded Abstracts, 1527–1530...

2022

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