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The AAPG/Datapages Combined Publications Database
Showing 2,532 Results. Searched 195,372 documents.
ABSTRACT: Fracture Porosity Inversion from P-Wave AVOA Data along 2-D Seismic Lines; #90051 (2006)
Abdullatif Abdulrahman Al-Shuhail
Search and Discovery.com
.../S-wave velocity ratio to invert fracture porosity from the anisotropic AVO gradient after inferring the fluid type from the sign of the anisotropic AVO...
Unknown
Fracture Porosity Inversion from P-Wave AVOA Data along 2-D Seismic Lines
Search and Discovery.com
N/A
Abstract: Constraining Anisotropy Lessons from 2D Modeling; #90211 (2015)
Rob Holt
Search and Discovery.com
... are difficult to determine with precision. Velocity moveout and anisotropic moveout look identical on migrated gathers when reflection angles are less than 30...
2015
Abstract: Near Surface and Anisotropy Modeling Strategies for Fast-Track Land Depth Imaging; #90319 (2018)
Ernesto Sandoval-Curiel, Daniele Colombo
Search and Discovery.com
... analysis and anisotropic parameter scanning for the deep structure. The long wavelength part of the near surface velocity variations is solved...
2018
Advances in Depth Imaging Technology: Rock Physics Guided Migration of Seismic Data in 3D
Nader C. Dutta, Sherman Yang, Jianchun Dai
Indonesian Petroleum Association
... extra steps that are currently used to convert the migrated gather and velocity back to time domain to do further velocity analysis for pore pressure...
2012
Sonic Log Analysis from Isotropic and Anisotropic Media In Carbonate Reservoir, the Case Study at Stella Alpina Field
Wahyu Tri Sutrisno, Septian Prahastudhi, Ari Teguh Sugiarto, Ayi Syaeful Bahri, Dwa Desa Warnana, Yulia Putri Wulandari
Indonesian Petroleum Association
...Sonic Log Analysis from Isotropic and Anisotropic Media In Carbonate Reservoir, the Case Study at Stella Alpina Field Wahyu Tri Sutrisno, Septian...
2014
Abstract: Two Prestack Anisotropic Depth Migration Methods for Tilted TI Media; #90211 (2015)
Xiang Du, John Bancroft, Don Lawton, and Larry Lines
Search and Discovery.com
... that A-PSPI and A-RT have excellent performance for arbitrary velocity and anisotropic parameters media. Although ART does not suffer from the dip...
2015
Incorporation of Geology, Wells, and Rock Physics into Anisotropy Estimation for Seismic Depth Imaging Enables True Earth Model, #40828 (2011)
Huyen Bui, Peck-Hwa David Ng, Jenny Zhou, Chih-Wen Kue, Mart Smith
Search and Discovery.com
.... Likely, it was thought that, if the depth-migrated velocity was wrong, seismic anisotropic functions (Thomsen’s delta and epsilon) were also wrong...
2011
Abstract: Velocity Anisotropy from Core Measurements, VSP and Sonic Logs Analysis in a Single Well Study in NE Alberta; #90224 (2015)
Judith Chan and Douglas R. Schmitt
Search and Discovery.com
...Abstract: Velocity Anisotropy from Core Measurements, VSP and Sonic Logs Analysis in a Single Well Study in NE Alberta; #90224 (2015) Judith Chan...
2015
Extracting Meaningful Estimates of Rock Properties from 3-D Anisotropic Velocity Models Derived from Borehole Microseismic
Scott Taylor, Jeremy King, Ben Schaeffer, Todd Hibbitts, Lucas McGreaham, Khaled Ghuneim
Unconventional Resources Technology Conference (URTEC)
...Extracting Meaningful Estimates of Rock Properties from 3-D Anisotropic Velocity Models Derived from Borehole Microseismic Scott Taylor, Jeremy King...
2016
Abstract: Impact of Seismic Anisotropy on Predicted Reservoir Properties; #90254 (2016)
Duryodhan Epili, Husam AlMustafa, Asaad E. Alzawwad, Mohammad Bannagi, Mark Taylor
Search and Discovery.com
..., using anisotropic parameters derived from a walkaway VSP. The anisotropic velocity models produced a seismic depth image that calibrated to the well...
2016
Seismic reservoir characterization in a VTI anisotropic media: Case study in Malay Basin
Amir Abbas Babasafari, Deva Prasad Ghosh, Seyed Yaser Moussavi AlAshloo, Yasir Bashir, Chica Sambo, Ahmed M.A. Salim
Geological Society of Malaysia (GSM)
.... It is assumed due to the complexity of the anisotropy in equations. Sedimentary rocks are anisotropic. Velocity anisotropy is the variation...
2018
Abstract: The Effect of Bedding Plane Orientation Towards P-Wave Velocity of Berea Sandstone at Different Water Saturation Degree (Paper P25)
Hammad Hazim Bin Mohd Azhar, Zuhar Zahir Tuan Harith
Geological Society of Malaysia (GSM)
... that anisotropic effect took place in affecting the P wave velocity value. The results obtained were then modeled using Gassmann’s theory and it was found...
2010
Abstract: Azimuthal Simultaneous Elastic Inversion; #90172 (2014)
Jon Downton, Benjamin Roure
Search and Discovery.com
... Analysis in anisotropic media. SEG geophysical monograph series number 10: Soc. Expl. Geophys. Winterstein, D. F., 1990, Velocity anisotropy...
2014
Seismic Imaging in Anisotropic Media. or... "A Better Way to Moveout and Migrate Long Offset Data"
Rolf Klotz, Martin Bayly, Sue Downie, Swee Leng
Indonesian Petroleum Association
... reflection angles are retained in processing for studies such as amplitude variation with offset (AVO) and depth conversion velocity analysis. Anisotropic...
2000
A frequency-dependent fluid prediction method based on a novel fluid indicator incorporating anisotropic effect and squirt flow
Tianjun Lan, Zhaoyun Zong
International Meeting for Applied Geoscience and Energy (IMAGE)
... identification in anisotropic media where γ dry and γ sat are P-wave and S-wave velocity ln ratio of dry rock and saturated rock, respectively. δ N...
2023
Gaining Insight into Formation Anisotropy Using Full Azimuth Imaging and Analysis Tools
Duane Dopkin, Anat Canning, Philip Neri
Indonesian Petroleum Association
... velocity analysis is a critical step when processing rich azimuth data. Anisotropic velocity differences (moveouts) can be used directly in inversion...
2012
ABSTRACT: A Multi-Azimuth VSP Experiment for Fracture Orientation Detection in HMD Field, Algeria; #90051 (2006)
Foudil Babaia, Farid Chegrouche
Search and Discovery.com
... fractures by two analysis methods; shear wave splitting and P wave velocity anisotropy based on an anisotropic ratio computed from four offset VSP...
Unknown
Abstract: TTI Anisotropic Depth Migration: Which Tilt Estimate Should We Use?; #90211 (2015)
Francois Audebert and Volker Dirks
Search and Discovery.com
... on an image obtained by isotropic or VTI elliptic migration with an educated estimate of the Thomsen parameter delta. Introduction Anisotropic velocity...
2015
Abstract: Calculation of Amplitude and Velocity in General Anisotropic Media; #90224 (2015)
M. Malehmir and D. R. Schmitt
Search and Discovery.com
...Abstract: Calculation of Amplitude and Velocity in General Anisotropic Media; #90224 (2015) M. Malehmir and D. R. Schmitt Datapages/Search...
2015
Imaging Solutions for Geophysical Challenges in South East Asia (Paper A13)
N. El Kady, Z. Mohd Dom, Y. Prasetyo, M. Bayly, G. Nyein, P. Vasilyev, N. Mat Don Ya
Geological Society of Malaysia (GSM)
... velocity, we observed that we cannot achieve the desired gather flatness as this initial simple anisotropic model was not quite suitable for the majority...
2012
The Impact of Anisotropic Mechanical Properties on Stimulation and Wellbore Stability in the Beetaloo Basin, Northern Territory, Australia
J Adam Donald, Thomas J. Neville
Unconventional Resources Technology Conference (URTEC)
... workflow. One of the key inputs to the sonic analysis is the mud velocity, which is not measured directly and is often variable throughout the fluid...
2021
ABSTRACT: Reflection Seismology in Azimuthally Anisotropic Media, by Leon Thomsen; #91038 (2010)
Search and Discovery.com
2010
Abstract: A Simple and Practical Way to Interpolate Sparse Velocity along Structures; #90319 (2018)
Lei Cao, Tong W. Fei, Xu Ji, Yi Luo
Search and Discovery.com
...Abstract: A Simple and Practical Way to Interpolate Sparse Velocity along Structures; #90319 (2018) Lei Cao, Tong W. Fei, Xu Ji, Yi Luo AAPG...
2018