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The AAPG/Datapages Combined Publications Database

Showing 20,259 Results. Searched 197,434 documents.

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Determination of Geomechanical Parameters from Geophysical Logs: Section IV. Exploration Methods

M. B. Dusseault

AAPG Special Volumes

... the transit time of the P-wave (compressional wave) over a fixed interval. The second is a complete wave-train showing amplitude, times, and frequency...

1987

Latitudinal Controls on Siliciclastic Sediment Production and Transport; #41923 (2016)

J. P. Syvitski, A. J. Kettner, I. Overeem, G. R. Brakenridge, S. Cohen

Search and Discovery.com

... wavewind. travel long distances no longer influenced by direction is shown in the direction of wave propagation in degrees. C) Color chart for wind and wave...

2016

Reflection or Refraction?

Aleksandr Nikitin, Nikolay Amelin, Sergei Pokrovskii, Andrey Lekomtsev

GEO ExPro Magazine

.... These complexities mean that reliable data is hard to obtain using the most common survey technique – towed streamer reflection wave CDP seismic. Factors...

2017

Depth Imaging Seismic Data to Help Delineate Gas Reservoirs in Southwest Wyoming

Alvin K. Benson

Wyoming Geological Association

... that the propagation of energy through the earth is governed by the acoustic wave equation. The spatial and time dependence of the amplitudes P of a wave...

1989

Abstract: Carbonate Fracture Case History from Russia and Implications for HTD Plays in North America; #90172 (2014)

Inga Khromova, Brian Link

Search and Discovery.com

... duplex wave migration (DWM). This method is used following conventional pre-stack depth migration with a new and very different type of pre-stack...

2014

4D Finite Difference Forward Modeling within a Redefined Closed-Loop Seismic Reservoir Monitoring Workflow, #41922 (2016).

David Hill, Dominic Lowden, Sonika, Chris Koeninger

Search and Discovery.com

... are derived via the rockphysics model for input into finite-difference forward-modeling and imaging. By including 3D wave propagation, acquisition geometry...

2016

The Use of Modern 3D Seismic Data Processing Techniques, 5D Interpolation, and Anisotropic PSTM to Improve Existing 3D Data in South Louisiana Data—Pulling the Scales from our Eyes; New Truth from Existing Datasets

John Asma, John Stevens, Sukhdev Hyare, Dave Spaulding

GCAGS Transactions

... of the earth in time or depth. The process reverses the wave propagation defined by the wave equation. Whether Kirchhoff or wave equation techniques are used...

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

Abstract: Inverse scattering Internal Multiple Prediction on Physical Modeling Data; #90174 (2014)

M. Hernandez, K. Innanen, and J. Wong

Search and Discovery.com

... scenario (Ebrom and MacDonald, 1994). Physical modeling facilitates the understanding of wave propagation in elastic models and anisotropic models...

2014

Abstracts: Application of Neural Network Analysis and Post-Stack Inversion - Case Studies in Alberta; #90173 (2015)

Somanath Misra and Satinder Chopra

Search and Discovery.com

... of the early geophysical applications of neural network by predicting lithology log for an entire well, using back-propagation Multi-Layer Feed Forward...

2015

Abstract: Time-Reversal Extrapolation for Microseismic Event Localization; #90224 (2015)

Zhenhua Li and Mirko van der Baan

Search and Discovery.com

.... A. Robertsson, 2006a, Interferometric modeling of wave propagation in inhomogeneous elastic media using time reversal and reciprocity: Geophysics, 71(4...

2015

Damped least squares-based deterministic PP wave and SH-SH wave joint inversion method

Ying Lin, Guangzhi Zhang, Baoli Wang, Siyuan Chen, Minmin Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

...Damped least squares-based deterministic PP wave and SH-SH wave joint inversion method Ying Lin, Guangzhi Zhang, Baoli Wang, Siyuan Chen, Minmin...

2023

Frequency-Domain Waveform Tomography in the Foothills: Velocity Model Estimation with Synthetic Long-Offset Data

Search and Discovery.com

... described by Gray and Marfurt (1995), did not generate the long-offset data necessary for diving wave tomography methods to succeed. One promising method...

2013

Research on borehole time-domain electromagnetic ultra-far detection method of electrical source

Zhanshan Xiao, Haitao Hu, Xiaoyu Zhang, Yonghao Zhang, Jianbin Zhao, Chaoqiang Fang, Kun Shao, Chunming Yao, Junjie Yan

International Meeting for Applied Geoscience and Energy (IMAGE)

... more flexible combination of measurement modes. According to the propagation characteristics of time-domain electromagnetic field of electrical source...

2023

GPR surveys reveal the subsurface geology of major sea turtle nesting islands in the Saudi waters of the Arabian Gulf

Sherif Hanafy, Korhan Ayranci, Rommel H. Maneja, Ace Vincent B. Flandez, Jinoy Gopalan, Diego F. Lozano Cortes

International Meeting for Applied Geoscience and Energy (IMAGE)

... in soils, clay content, heterogeneity, and radar wave attenuation. In this study, we recorded GPR data on two islands, hence, we are expecting...

2023

Evaluation of Naturally Fractured Reservoirs in Indonesia Using Formation Imaging and Sonic Logs

William H. Borland, Richard E. Netherwood, Sanggam Hutabarat, Dedi Juandi, Leo Anis, Hari Kurniawan, Ramsin Eyvazzadeh

Indonesian Petroleum Association

.... Stoneley wave propagation in an impermeable formation. This exaggerated cartoon shows the Stoneley wave slowness to be a function of the mud and formation...

2002

Comparative analysis between laboratory measurement and numerical simulation to evaluate anisotropy in Coquinas from Morro do Chaves Formation: A Brazilian presalt analog

Lucas Oliveira, Andr Martins, Marco Ceia, Roseane Missgia, Herson Rocha, Natan Santarm, Jessica Moreira, Irineu Lima Neto

International Meeting for Applied Geoscience and Energy (IMAGE)

... and comparison with other Coquinas datasets from Brazilian Pre-Salt. Conclusions This work analyzed the behavior of wave propagation in Coquina’s core...

2022

Improvement of inverse scattering angle-domain common image gathers using optical flow

Ammir A. Karsou, Sérgio L. E. F. da Silva, Felipe V. Capuzzo, Felipe T. Costa, Jorge Lopez, Roger M. Moreira, Marco Cetale

International Meeting for Applied Geoscience and Energy (IMAGE)

...x) are weighting factors that compensate wave propagation effects such as caustics, media complexity and refraction interference, we used it as 1 and late...

2023

Application of Seismic Surveying to Recognition of Productive Part of Gas-Oil Strata

V. V. Churlin, L. A. Sergeyev

Petroleum Geology: A Digest of Russian Literature

.... 39. 8. Ament, W. S., 1953, Sound propagation in cross mixtures: J. Acoustical Soc. Amer., vol. 25, no. 14. 9. Urick, R. I., 1948, Absorption of sound...

1963

A novel vector PP imaging condition for elastic reverse-time migration

Bingkai Han, Weijian Mao, Xiao-Bi Xie

International Meeting for Applied Geoscience and Energy (IMAGE)

... with the incident source-side P wave, forming an angledomain local image matrix (LIM) that is indexed by sourceand receiver-side wave propagation angles...

2023

Anisotropy Analysis in Shale Using Advanced Sonic Data - Bakken Case Study, #41049 (2012)

Mehdi Ostadhassan, Zhengwen Zeng, Hadi Jabbari

Search and Discovery.com

... the drilling induced ones. The well on the crest of the anticline shows higher amount of variations in the Stoneley wave slowness. Stoneley wave...

2012

Acoustic Tomography for Reservoir Surveillance: Reservoir Characterization and Modeling

J. H. Justice, M. E. Mathisen, A. A. Vassiliou, S. Singh , P. S. Cunningham, J. R. Bulau

AAPG Special Volumes

... the medium of interest, which may be a hydrocarbon reservoir. From this data, the velocity of propagation of the seismic wave at each point...

1991

The use of FWI in coal exploration

Mehdi Asgharzadeh, Maryam Bahri, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

... wave with dominant frequency of 80 Hz and propagation velocity of 3000 m/s near the boundaries of the model. To simulate shot records, we selected FD...

2018

Fractured Reservoir Prediction … A Case Study in the Sichuan Basin; #10512 (2013)

Ling Yun, Xiangyu Guo, Qianggong Song, and Weisheng He

Search and Discovery.com

... for wave propagation in the subsurface and the validation of these parameters to drive the WVSP and the surface seismic data processing. Two procedures...

2013

Velocity and Velocity

M. Al-Chalabi

Petroleum Exploration Society of Australia (PESA)

... is an imperfect process. There is a huge number of not only acquisition factors but all kinds of other factors relating to wave propagation, noise, and so...

2000

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