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The AAPG/Datapages Combined Publications Database
Showing 20,731 Results. Searched 198,798 documents.
Secondary mineralization in Deccan basalt and its effects on mineral carbonation and seismic properties
Nimisha Vedanti, Priyanka Tripathi, Dip Das, Jyotirmoy Mallik
International Meeting for Applied Geoscience and Energy (IMAGE)
... normal to the direction of wave propagation, generating a stress of approximately 10 N/cm² (Brown, 1981). Our mineralogical analysis indicates...
2024
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
Application of Illumination Compensation to Irregular Surface Areas Imaging; #40773 (2011)
Yueming Ye and Ru-shan Wu
Search and Discovery.com
.... Migration with data acquired on surface with irregular topography can be extrapolated from the highest surface based on one-way wave field propagator. We...
2011
Thermodynamic Behavior of Liquid-Supercritical CO2 Fracturing in Shale
Xiaojiang Li, Gensheng Li, Wei Yu, Haizhu Wang, Kamy Sepehrnoori, Zhiming Chen, He Sun, Shikun Zhang
Unconventional Resources Technology Conference (URTEC)
... in the experimental study. Although there is some oscillation at the very beginning of the fracture initiation due to the propagation of pressure wave between...
2017
EXTENDED ABSTRACT: Lateral numerical dispersion with wave equation migration II
Wen-Jing Wu
CSPG Special Publications
...EXTENDED ABSTRACT: Lateral numerical dispersion with wave equation migration II Wen-Jing Wu 1998 248 251...
1998
No Slide Title
Search and Discovery.com
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Search and Discovery.com
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Ultrasonic Pulse Velocities and Elastic Moduli of Igneous Rock Materials from the Ajil Area, Terengganu Darul Iman
J. K. Raj
Geological Society of Malaysia (GSM)
... to be dependent upon inherent mineral compositions and textures. Medium grained granites show mean compressional and shear wave velocities of5,091...
1996
Ultrasonic velocity tomography of rock sample
Tian Xie, Jiajia Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... has some guiding implications. The elastic properties of rocks may be investigated by modeling the wave field, allowing for flexible and quick...
2023
Abstracts: Improved Near-surface Velocity Models from 2D Waveform Tomography of Vibroseis First-arrival Data; #90173 (2015)
Brendan R. Smithyman and Ronald M. Clowes
Search and Discovery.com
... of the seismic data waveforms. In order to produce a dataset that can be modeled approximately by 2-D wave-equation methods, the initial model is used...
2015
Abstract: AVAZ Inversion for Fracture Orientation and Intensity: a Physical Modeling Study; #90187 (2014)
Faranak Mahmoudian and Gary F. Margrave
Search and Discovery.com
... the near-vertical wave propagation losses its accuracy. The overall error for all six parameters are larger when incorporating incident angles close...
2014
The emergence and impact of scientific machine learning in geophysical exploration
Umair bin Waheed
International Meeting for Applied Geoscience and Energy (IMAGE)
... with the physics of wave propagation. Another outstanding challenge with the training of PINN models has been due to an unbalanced back-propagated gradient...
2023
Reservoir Dynamics and the New Geophysics
David Bamford
GEO ExPro Magazine
... point. Rather than just pure Darcy hydraulic flow between wells, there is probably a complex mixture of diffusive and wave propagation in a coupled system...
2012