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The AAPG/Datapages Combined Publications Database
Showing 4,237 Results. Searched 196,763 documents.
Using Sonic and Resistivity Effective Medium Theories to Quantify the Influence of Rock Fabric on the Mechanical Properties of Organic Mudrocks
Paul Sayar, Carlos Torres-Verdín
Unconventional Resources Technology Conference (URTEC)
... of their complex and highly anisotropic internal grain/clay structure. The spatial anisotropy exhibited by laminated shales is a macroscopic manifestation...
2015
Mechanical Characterization, Anisotropy, and Failure Pattern of Unconventional Reservoirs for Wellbore Stability and Fracture Enhancement
Aly Abdelaziz, Kareem Aboayanah, Matthew G. Adams, Giovanni Grasselli
Unconventional Resources Technology Conference (URTEC)
...Mechanical Characterization, Anisotropy, and Failure Pattern of Unconventional Reservoirs for Wellbore Stability and Fracture Enhancement Aly...
2023
Novel Approach to Laminated Sand Analysis Utilizing Measurements from Triaxial Induction Resistivity
Mario J.C. Petricola, Sarvenaz Moazami, Aditi Pal, Richard E. Netherwood, Udit K. Guru, Leigh Yaxley
Indonesian Petroleum Association
... with a triaxial induction device. The anisotropy derived from these two directional resistivity measurements can be caused by thin layers lamination, which...
2012
What Are You Interpreting? Your Seismic Image Could Be Misleading You!
R. T. Newrick, E. P. Gomez, J. K. Pullishy, S. D. Jensen, J. M. de Armas
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... model, Vεδθ, in the case of anisotropy, specifically transverse isotropy that may be described using the Thomsen parameters ε and δ (Thomsen, 1986...
2006
Fracture and regional stress-related upper crustal azimuthal anisotropy in the vicinity of the 2016 M5.1 Fairview, Oklahoma, earthquake
Enyuan Jiang, Yan Jia, Jiaqian Liang, Kelly H. Liu, Stephen S. Gao
International Meeting for Applied Geoscience and Energy (IMAGE)
...Fracture and regional stress-related upper crustal azimuthal anisotropy in the vicinity of the 2016 M5.1 Fairview, Oklahoma, earthquake Enyuan Jiang...
2023
Quantifying Crack Properties of Source Rocks from Elastic Stress Sensitivity
Jihui Ding, Anthony C. Clark, Tiziana Vanorio, Adam D. Jew, John R. Bargar
Unconventional Resources Technology Conference (URTEC)
... of crack orientation anisotropy. We applied our model to organic-rich source rocks to quantify physically-meaningful crack properties, including normal...
2021
Abstracts: Fractures, Elastic Moduli & Stress: Geological Controls on Hydraulic Fracture Geometry in the Horn River Basin; #90173 (2015)
Rory Dunphy and David J. Campagna
Search and Discovery.com
... This equation can be modified to account for rock property anisotropy and tectonic forces in a manner consistent with linear elastic fracture mechanics...
2015
New perturbation-based traveltime approximation for elastic VTI media
Shibo Xu, Alexey Stovas, Xingguo Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the anellipticity parameter are also analyzed to examine the influence of these factors. Besides, we investigate the anisotropy estimation through...
2022
Anisotropic Depth Migration Applied in an Area of the Colombian Llanos Foothills as a Tool for Understanding the Structure in Depth
Isabel Cristina Florez, Rob Vestrum
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... have ignored the anisotropy in our clastic overburden. Anisotropy is a major factor in the mistie between seismic and well-log velocities (Schultz...
2006
Anisotropic Pre-Stack Depth Migration in the Cusiana and Cupiagua Sur Fields
J. Checa, M. Mesa, N. Burke, J. Calderon, H. Alfonso, U. Egozi, B. Ver West, M. Yates
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
..., based on the quality of the imaging. Overall, the quality of the depth migrated volume with anisotropy allowed better definition of the fault planes...
2006
Buried-hill multiscale fracture prediction using wide-azimuth OBN seismic data in the South China Sea
Xumin Liu, Zhenbo Zhang, Leyi Xu, Renjie Chen, Donghui Bian
International Meeting for Applied Geoscience and Energy (IMAGE)
... reservoir characterization. According our research, firstly we analysis the offset’s influence for azimuthal anisotropy, optimize OVT( Offset Vector Tile...
2023
Abstract: Anisotropic Frequency-Dependent Spreading of Seismic Waves from VSP Data Analysis; #90174 (2014)
Amin Baharvand Ahmadi and Igor Morozov
Search and Discovery.com
..., and and are the corresponding anisotropy parameters. From (3), the “horizontal” attenuation parameters are 2 1 1 and 2 1 1...
2014
Abstract: Improving Borehole Instability Analysis by Investigating the Impacts of Stress and Rock Anisotropy; #90224 (2015)
Qing Jia, Douglas Schmitt, Inga Moeck, and Randy Kofman
Search and Discovery.com
...Abstract: Improving Borehole Instability Analysis by Investigating the Impacts of Stress and Rock Anisotropy; #90224 (2015) Qing Jia, Douglas Schmitt...
2015
A New Approach to Time Depth Conversion and Depth Error Estimation for 2D Interpretation Using Seismic Velocities
Rosidah Hardiani, Sanisah Soed, Lothar Schulte
Indonesian Petroleum Association
... converted and adjusted to the well velocities to address velocity anisotropy. Then the interval and average velocity points were derived for both...
2013
ABSTRACT: Optical Texture of Bituminous Coals Transformations During Pyrolysis and Hydropyrolysis
S. Pusz
The Society for Organic Petrology (TSOP)
...). The shape and dimensions of RIS and indicatrix parameters Rev, Rst and Ram determine according to Kilby's method characterize textural anisotropy...
2001
Formation Evaluation in Thin Bed Reservoirs, A Case Study from the Kutei Basin, Indonesia
C. Majesta, D. Cook, P.Cardola, D. Kurniawan, I. Buldani, G. Aquillina, F. Prasetia
Indonesian Petroleum Association
... to characterize them (Tyagi, et.al., 2008). The effect of anisotropy on electrical log measurements has been known and understood for many years...
2016
ABSTRACT: Bireflectance of Vitrinite in Arkoma Basin Dispersed Organics: Insights for Understanding Reflectance Populations in High Thermal Maturity Regions
David W. Houseknecht, David Bensley, Lori A. Hathon, Paul H. Kastens
The Society for Organic Petrology (TSOP)
..., and the increase in vitrinite anisotropy that accompanies increasing thermal maturity. Both empirical and experimental results have indicated that a positive...
1991
Estimation of Total Organic Carbon (TOC) Content of Shale from AVO Inversion: A New Crossplot Approach Based on Zoeppritz Equations
Un Young Lim, Richard Gibson Jr., Nurul Kabir
Unconventional Resources Technology Conference (URTEC)
..., 1992; Sondergeld et al., 2000). Sayers et al. (2015) also showed that the level of anisotropy increases when the volume fraction of total organic carbon...
2019
Petrophysical Evaluation of "Quasi Wet Pay Zones" (QWPZ) via Integration of Advanced and Conventional Wireline Data (Paper C1)
S. Ismail, M. M. Altunbay, N. Aula
Geological Society of Malaysia (GSM)
... have also devised a new workflow for the challenge by evaluating the electrical anisotropy from directional resistivity device together with movable...
2012
Abstract: The Evolving Role of Geophysics in Exploration. From Amplitudes to Geomechanics (Paper C7)
E. C. Andersen, D. Gray
Geological Society of Malaysia (GSM)
... and fluids from seismic data. (Figure 2). Thomsen (1985) simplified the concept of seismic anisotropy, the variation of physical properties in different...
2012
I
John G. Dennis
AAPG Special Volumes
... sense. ISOTROPY, ANISOTROPY Derivation: Greek isos, same; tropos, direction. Definition: The state of having physical properties which are the same...
1967
Abstracts: The Evolving Role of Geophysics in Exploration: From Amplitudes to Geomechanics; #90173 (2015)
Eric Andersen, David Gray
Search and Discovery.com
... the concept of seismic anisotropy, the variation of physical properties in different directions, by introducing the concept of weak anisotropy. Lynn et al...
2015
Integrating Borehole Imaging and Full Waveform Dipole Sonic Data to Estimate Fracture Porosity in Tight Formations: A Workflow for Accurate Characterization of Natural Fractures; #42582 (2023)
Doina Irofti, Ghoulem Ifrene, Fethi Ali Cheddad, Safouane Djemai
Search and Discovery.com
..., 2022. Ifrene, G. E. H., Irofti, D., Khetib, Y., & Rasouli, V. (2022). Shear Waves Anisotropy and Image Logs Integration for Improved Fracture...
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
... are, in a number of these examples, supported by production tests. Alford, R. M., 1986. Shear data in the presence of azimuthal anisotropy: 56th Annual...
2002
Geomechanical Evaluations of Deep Shale Gas Reservoir in Sichuan Basin, Western China
Xing Liang, Kaibin Qiu, Honglin Shu, Zhuo Zhang, Yufeng Luo, Yuanwei Pan, Qingfei Li, Kaigui Yin, Gaocheng Wang,Yan Gao
Unconventional Resources Technology Conference (URTEC)
... the formation anisotropy as only core samples from one direction (sometimes two directions) were tested. • A lack of simultaneous acquisition...
2020