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The AAPG/Datapages Combined Publications Database
Showing 431 Results. Searched 188,958 documents.
ABSTRACT: Reflection Seismology in Azimuthally Anisotropic Media, by Leon Thomsen; #91038 (2010)
Search and Discovery.com
2010
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
... of incorporating Thomsen’s anisotropic parameters into the data preparation for AVA inversion. The benefit is particularly apparent for the seismic inversion...
2016
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
... from each model. Finally, we derived the anisotropic effect in the sonic log. Thomsen Parameters If we have the compliance correction matrix , then we...
2014
Abstract: Measuring the Anisotropy of Salt in the Mahogany Oil Field, Gulf of Mexico, by D. G. Raymer, J-M. Kendall, G. J. Beaudoin, M. C. Mueller, and R. R. Kendall; #90923 (1999)
Search and Discovery.com
1999
Seismic Anisotropy Modeling from Well Log in Talang Akar Formation, South Sumatra, Indonesia; #41360 (2014)
Thariq Guntoro, Intan Andriani Putri1, and Dwa Desa Warnana
Search and Discovery.com
..., but these are awkward to handle (Veeken, 2006). Thomsen (1986) showed a transversely isotropic term could be added to the equations using his weak anisotropic parameters...
2014
Abstract: Estimation of seismic anisotropy parameters in the presence of lateral heterogeneity using WAVSP; #90254 (2016)
Ali A. Shaiban, Carlos Planchart
Search and Discovery.com
... Thompsen Thomsen anisotropic parameters. This approach obtains the estimates of phase slowness from a receiver array situated in the target zone...
2016
Effects of Overburden Anisotropy and Vertically Aligned Fractures on P-Wave Azimuthal AVO Responses
Fatkhan, Yudi Yanto, Nofri Faruza Said
Indonesian Petroleum Association
... of shale on AVO responses only varies with incidence angles. The anisotropy of shales was modeled with two different signs of Thomsen’s anisotropic...
2005
Abstract: Workflows for Sweet Spots Identification in Shale Plays Using Seismic Inversion and Well Logs; #90187 (2014)
Yexin Liu
Search and Discovery.com
...) are isotropic contributions (Hampson and Russell, 2005) and other three parts ( ) are the contributions of the three Thomsen anisotropic parameters...
2014
How Reliable Is The Negative Anisotropy In Carbonate Rocks? - Offshore East Java Basin Case Study
Jun Wang, Yonghe Guo, Pongga Wardaya, M Afiq B Mokhtar, Riaz Alai, Rizki Krishna Pratama, Haryono Haryanto
Indonesian Petroleum Association
... used seismic anisotropic properties are defined by Thomsen’s (1986) weak anisotropy formulation, which was designed for media having transversely...
2018
Anisotropy
Search and Discovery.com
N/A
Abstract: Constraining Anisotropy Lessons from 2D Modeling; #90211 (2015)
Rob Holt
Search and Discovery.com
... information it is possible to derive about the Thomsen weak anisotropy parameters epsilon and delta from 2D anisotropic modeling. Modeling...
2015
The Application of PSDM VTI Method to Generate a Velocity Model That Can Solve the Mistacking Problem
Aulia Ahmad Nafis, Hasan Nurudin, Ikhsan Hanurogo, Bagus Sapto M, Ahmad Zaenudin
Indonesian Petroleum Association
...) as anisotropic parameter). δ (delta) is the thomsen parameter that influences the velocity in the vertical direction and it is most influential vertically...
2018
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
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
... and update the anisotropic parameters. Firstly, we perform 1D ray tracing to estimate Thomsen’s δ to flatten the model gather at near and middle...
2011
Abstract: AVAZ and VVAZ Practical Analysis to Estimate Anisotropic Properties; #90224 (2015)
Yexin Liu
Search and Discovery.com
...𝑣 = 𝛿, 𝜀 𝑎𝑛𝑑 𝛾 are the Thomsen’s anisotropic parameters. 4𝑉 𝑠2 𝑉2 𝑝 𝑠𝑖𝑛2 𝜃 . The three parameters For the HTI media, the seismic...
2015
ABSTRACT: Incorporation of Geology, Wells, Rockphysics into Anisotropy Estimation for Seismic Depth Imaging Enables “True Earth Model”
Search and Discovery.com
N/A
Abstract: How to Distinguish Water- and Gas-Saturated Cracks? by Dileep K. Tiwary, Irina Bayuk, Mike Ammerman, and Evgeni M. Chesnokov; #90067 (2007)
Search and Discovery.com
2007
Incorporation of Geology, Wells, Rock Physics into Anisotropy Estimation for Seismic Depth Imaging Enables True Earth Model, #40862 (2012)
Huyen Bui, Peck Hwa David Ng, Jenny Zhou, Chih-Wen Kue, Martiris Smith
Search and Discovery.com
... velocity was wrong, seismic anisotropic functions (Thomsen’s delta and epsilon) were wrong in a vertical transverse isotropic (VTI) case. In fact...
2012
Abstract: Seismic Anisotropy Modeling from Well Log in Talang Akar Formation, South Sumatra, Indonesia, by Thariq Guntoro, Intan Andriani Putri, and Dwa Desa Warnana, #90188 (2014)
Search and Discovery.com
2014
Abstract: AVO Depth Modelling (Paper 2)
Leong Lap Sau, Ng Tong San
Geological Society of Malaysia (GSM)
... case are found in Aki and Richards, pg. 153 and in Smith and Gidlow, pg 994. For weakly anisotropic reflections, Thomsen's equation 10 provides a very...
1996
Abstract: Azimuthal Simultaneous Elastic Inversion; #90172 (2014)
Jon Downton, Benjamin Roure
Search and Discovery.com
... Shuey AVO equation with two extra parameters, the anisotropic gradient and the symmetry plane. For fractured media, the anisotropic gradient is often...
2014
Abstract: Application of Target-oriented VVAZ on Relatively thin Fracture Reservoir; #90174 (2014)
Stephen K. Chiu, Jack Howell, Jason A Stein, Samik Sil, and Jeff Malloy
Search and Discovery.com
... technique to extract fracture signatures from wide azimuth seismic data (WAZ). Zheng (2006) proposed a target-oriented approach to directly invert Thomsen...
2014
Abstract: To TTI or not to TTI? Semi-Automated 3D Tomographic Velocity Analysis in the Canadian Foothills: A Case History; #90211 (2015)
Sylvestre Charles, David Mitchell, Rob Holt, Jiwu Lin, and John Mathewson
Search and Discovery.com
... of Spatially Variant Anisotropic Parameters (TTI) The estimation of anisotropy parameters is not a trivial problem (Tsvankin and Thomsen, 1995, Pratt...
2015
ABSTRACT: Anisotropic 3-D Pre-Stack Time Migration Processing of Oguali 3-D Survey in Cental Niger Delta; #90115 (2010)
Tunde I. Okunuga, Robinson S. Dike, Timothy J. Brooks, and Lawrence Ajabor
Search and Discovery.com
... therefore, the anisotropy is fully quantified in terms of Thomsen’s parameters Delta, epsilon, and eta. In this paper we present the results...
2010
Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance
Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
..., and they distort seismic reflection together. So, joint anisotropy parameter inversion is highly in need. Thomsen weak-anisotropy parameters are sensitive...
2016