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The AAPG/Datapages Combined Publications Database

Showing 802 Results. Searched 200,673 documents.

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Elastic reverse-time migration without wavefield decomposition

Daiguang Li, Shengchang Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... of seismic wave The wave propagation equation can be expressed abstractly under the assumption that strain and stress satisfy the linear approximation...

2022

Seismic imaging uncertainty using deep learning predicted Greens functions

Han Liu, Anar Yusifov, Muhong Zhou, Linda Hodgson

International Meeting for Applied Geoscience and Energy (IMAGE)

... the source wavefield. For efficient machine learning we need to reformulate the wave equation as a pattern recognition problem (Bishop, 2006). To achieve...

2022

Seismic Modeling of Porosity Distribution in a Miocene Reef, Salawati Island, Indonesia

William T. Valenta

Indonesian Petroleum Association

... data now correlate with the zero-phase synthetic trace. Additional processing included automatic computer statics and wave equation migration. Figure...

1979

Modified Residual Migration

Craig J. Beasley, Rolf Klotz

Southeast Asia Petroleum Exploration Society (SEAPEX)

... simple, accurate, and efficient, particularly for single-pass 3-D migration. Introduction Since the inception of migration based upon the wave equation...

1992

Channel sand body characterization and hydrocarbon detection based on multicomponent seismic data: A case study of Shaximiao Formation in QL area

Haitao Yang, Yao Zhao, Benjian Zhang, Furong Wu, Le Li, Dong Wang, Jun Xiong

International Meeting for Applied Geoscience and Energy (IMAGE)

... by two-dimensional post stack acoustic wave equation migration (Fig. 3). The forward simulation results show that: 1) when the channel sand body is high...

2022

Migration Velocity Analysis by Migration of Velocity Spectra

Craig J. Beasley, Rolf Klotz

Southeast Asia Petroleum Exploration Society (SEAPEX)

... wave equation methods to conventional velocity spectra prior to migration of the seismic data. Moreover, the computational demands for this approach can...

1992

Controlled-Source Electromagnetic (CSEM): A Game Changing Technology for Frontier Deepwater Exploration? A Users Perspective

Herry Maulana

Indonesian Petroleum Association

.... Depth migration of CSEM data is similar to that of seismic pre-stack depth migration (Pre-SDM), if the elastic wave equation of the Pre-SDM is replaced...

2008

Exploration and Development based on RTH Technology and AI

Gennady Erokhin, Mariia Erokhina, Kirill Safran, Alexandre Iakovlev

Unconventional Resources Technology Conference (URTEC)

... into the common image gathers and an attribute synthesis stage. For the RTM method decomposition uses the second-order acoustic wave equation for pressure...

2023

HPC advances and impacts to exploration and reservoir development

Khaled Al Dulaijan, Mohammed Alajaji

International Meeting for Applied Geoscience and Energy (IMAGE)

... on the low frequencies of the data. It involves running multiple iterations of wave equation forward modeling, coupled with a scheme that minimizes...

2022

Full-elastic AVA extraction using acoustic FWI

Michael Warner, John Armitage, Adrian Umpleby, Nikhil Shah, Henry Debens, Fabio Mancini

International Meeting for Applied Geoscience and Energy (IMAGE)

... to match the true amplitudes of the field data. The algorithm used during FWI was purely acoustic, and the finite-difference stencil, wave equation, boundary...

2022

Simultaneous inversion of velocity and reflectivity for enhanced seismic imaging

Yang Yang, Sriram Arasanipalai, Nizar Chemingui, Neil Paddy, Nicholas Montevecchi, David McCallum

International Meeting for Applied Geoscience and Energy (IMAGE)

... to minimize the misfit between modelled and recorded data. Accordingly, it’s possible to solve both problems in a compact framework. With acoustic wave...

2022

Low-frequency data reconstruction for full-waveform inversion

Ramzi Djebbi, Maiza Bekara, Jaime Ramos-Martinez, Nizar Chemingui

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Wave-equation traveltime inversion: Geophysics, 56, 645–653, doi: https://doi.org/10.1190/1.1443081. Ovcharenko, O., V. Kazei, D. Peter...

2022

Rock Physics Study of Coal Bed Methane Reservoir Rock: Case Study of Muaraenim Coal

Bagus Endar B. Nurhandoko, Susilowati, Usep M. Ishaq, Hussein Rudiyanto, Y. Wiyanto, Budi Sulistyanto, Mahatman L. Budi, Kaswandhi Triyoso, KiskoRiondo Siahaan, Wahyu E. Abdillah, Danang Kusudiharjo

Indonesian Petroleum Association

... wave, S indicates shear, V indicates vertical and H indicates horizontal. The propagation of P wave obeys the wave equation  2   u     2...

2012

Solving seismic inverse problems by an unsupervised hybrid machine-learning approach

Mrinal K. Sen, Arnab Dhara

International Meeting for Applied Geoscience and Energy (IMAGE)

... on the full waveform inversion (FWI) that requires numerical evaluation of the wave equation. Since the beginning of 2000, computer scientists...

2022

Applications of near-field hydrophone data imaging in a shallow water environment: A case study from offshore Egypt

Mahmoud El-Attar, Omar Hossam, Azat Kireev, Arindam Kanrar, Usama Fathy Abdel-Kader, Kai Zhang, Jacob Deeds, Jordan Hassler

International Meeting for Applied Geoscience and Energy (IMAGE)

... resolution in the near seabed image. NFH data TDRI Validation: To assure the quality of the interpolated results, an 80 Hz Wave-equation modelling (WEM...

2022

Application of deghosting method based on Greens theorem in reservoir description of Bohai Bay

Shaoxuan Li, Jiangfeng Zheng, Lei Gao, Zhiping Zhao

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and ∈ represents the process of adaptive subtraction. The Green's function formula of ghost wave can be derived from the wave equation. Its general form is: G...

2022

On the absorbing boundaries to replicate semi-infinite half-space in numerical seismic analyses using the finite element method

Tyler R. Hebert, James M. Bryce, Arka Prabha Chattopadhyay

International Meeting for Applied Geoscience and Energy (IMAGE)

... for all frequencies of the propagating wave [1]. Komatitsch and Tromp [1] derived a second order PML equation for seismic wave analysis for the finite...

2022

Seismic lineaments characterization using independent component analysis

Abdulmohsen AlAli, Yazeed Altowairqi, Constantinos Tsingas, Ali AlSultan

International Meeting for Applied Geoscience and Energy (IMAGE)

... diffractors using wave-equation migration: Geophysics, 81, no. 6, S459–S468, doi: https://doi.org/10.1190/geo2016-0029.1. Lubo-Robles, D., and K. Marfurt, 2019...

2022

Geobody-oriented interpretable velocity fusion modeling in depth domain with seismic facies informed segmentation method

Meng Li, Qingcai Zeng, Hao Shou, Nan Qin, Chunming Wang, Tongsheng Zeng

International Meeting for Applied Geoscience and Energy (IMAGE)

... inversion and waveform inversion, where the closer the mathematical model used for inversion is to wave equation, the higher the resolution of velocity model...

2023

High-fidelity full-waveform imaging via impedance inversion

Feng Chen, Yu Zhang, Lian Duan, Weishan Han, Yilong Qin, Qianggong Song

International Meeting for Applied Geoscience and Energy (IMAGE)

... from the acoustic wave equation with velocity density : 1 − ∇ ⋅∇ ( ; ; )= ( − ) ( ) , and (1) ( ; ; )= ( ; ; ) where ( ) denotes source...

2023

InvMixer An efficient deep neural network for seismic inversion

Tianyi Zhang, Mauricio Araya-Polo, Anshumali Shrivastava

International Meeting for Applied Geoscience and Energy (IMAGE)

... of reducing uncertainty, but even highly accurate approximations of the wave equation depends on initial conditions and parameters such as a subsurface...

2023

Elastic multiparameter full-waveform inversion application on sparse ocean-bottom node data

Denes Vigh, Xin Cheng, Bing Bai, Zongcai Feng, Kate Glaccum

International Meeting for Applied Geoscience and Energy (IMAGE)

... distort the results if the acoustic wave equation is employed. Increased physics in FWI allows us to interrogate the power of elastic FWI versus...

2023

Elastic wave reverse-time migration with dynamic focused beams for weak anisotropic media

Ning Qin

International Meeting for Applied Geoscience and Energy (IMAGE)

... to deal with multiple arrivals and steep dips. The elastic wave reverse time migration is based on full-wave equation and uses the corresponding imaging...

2023

3-D Finite Difference Modeling of Microseismic Source Mechanisms in the Wolfcamp Shale of the Permian Basin

Robert Meek, Robert A. Hull, Austin Von der Hoya, David Eaton

Unconventional Resources Technology Conference (URTEC)

... difference solution to the anisotropic elastic wave equation developed by Boyd, 2006 in a Matlab code and adapted for microseismic data by Eaton, 2013...

2015

Seismic Foldout: Cameroon: Douala Kribi-Campo Basin … Seize the opportunity!

Misha Isakov, Paolo Gabrielli, Emmanuel Nformi, Shona Culwick, CGG, Blanche Mahamat, Achta Boubakar, Christophe Atangana Ndende, Société Nationale Des Hydrocarbures

GEO ExPro Magazine

... in the southern deep-water DKC blocks, as shown in the foldout. Wave-equation deconvolution, together with model-based water-layer demultiple and surface...

2023

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