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The AAPG/Datapages Combined Publications Database

Showing 20,731 Results. Searched 198,798 documents.

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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

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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

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