Quantitative characterization of lrati shale through laboratory measurement and rock physical modeling

Hemin Yuan, Jin Shi, Ruotong Zhao, Xiaofan Hu

International Meeting for Applied Geoscience and Energy (IMAGE)

... as the kerogen volume fraction as input, this tensor can be predicted, based on which the Thomsen anisotropic parameter ɛ can be derived...

Exact kinematic behavior of the P-SV converted wave in a vertical transversely isotropic medium

Guillaume Cambois

International Meeting for Applied Geoscience and Energy (IMAGE)

... −𝐶44 2𝐶33 < 1 (5) 2 The Thomsen parameters are: 𝜀= 𝛿= 𝐶11 −𝐶33 2𝐶33 (𝐶13 +𝐶44 )2 2𝐶33 (𝐶33 −𝐶44 ) ≥ −𝛿0 (6) − 𝛿0 ≥ −𝛿0 (7...

Abstract: Practical Applications of Seismic Anisotropy; #90187 (2014)

Philip Wild

Search and Discovery.com

... to the noisy nature of the shear-wave arrival. The output from these inversion schemes is generally in terms of Thomsen’s (1986) ε, γ, and δ parameters...

Anisotropic full-azimuth velocity model building using joint reflection-refraction tomography

Matan Shustak, Itai Sharabi, Orly Kletenik-Edelman, Elive Menyoli, Ike Imala, Ronit Levy, Zvi Koren

International Meeting for Applied Geoscience and Energy (IMAGE)

... were derived from a prior isotropic refraction tomography and extracted well information of the anisotropic parameters: Thomsen delta, and epsilon...

3D anisotropic seismic simulation for fracture prediction in Sichuans Wufeng shale gas reservoirs

Xiang Li, Ziduo Hu, Chunhui Xie, Yancan Tian, Wei Liu, Xinyu Fang, Gang Yao

International Meeting for Applied Geoscience and Energy (IMAGE)

...). The relationship between the anisotropic parameters defined along the vertical direction and the traditional Thomsen parameters is as follows: Fourth...

Seismic Imaging and Interpretive Model Building in the Colombian Andes

Rob Vestrum

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

...-traveltime raypaths for offsets ranging from zero to 2000 metres through a 1000-metre-thick TTI medium dipping 15°. The anisotropic parameters used...

Fracture-Porosity Identification from Anisotropy AVO and Fluid Substitution Modelling in Seismic 2D Data

Septian Prahastudhi, Tenny Octaviani, Ayi Syaeful Bahri, Yulia Putri Wulandari

Indonesian Petroleum Association

... to the fracture properties (D). THEORY AND METHOD Thomsen Parameters Thomsen parameter are dimensionless combination of elastic moduli which characterize...

ABSTRACT: Sensitivity Considerations in Building Velocity Models for the Nile Delta’s Messinian, by El-Bassiony, Ahmed; Eid, Mamdouh; Walker, Chris; Caselitz, Bertrand; ElAmir, Ashraf; Hemdan, Mahmoud; #90141 (2012)

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Acoustic Log Measurements in the Lower Eagle Ford Formation in Brazos and Robertson Counties, Texas and Their Implications on Completion Design

Richard Reischman, Scott Brooks, Trevor Willms, Tony L. Albrecht, John J. Walsh, Edgar Arteaga

Unconventional Resources Technology Conference (URTEC)

... were “verticalized”. URTeC 2152866 11 Figure 9: Thomsen’s parameters, Dynamic Stiffness coefficients (Cij), anisotropic mechanical properties...

Anisotropy Parameter Inversion from Sonic and Density Logs in Horizontally Transverse Isotropic Media

Joseph Kremor, Khalid Amrouch

Australian Petroleum Production & Exploration Association (APPEA) Journal

..., seismic. Accepted 28 March 2017, published online 29 May 2017 Introduction A method of calculating Thomsen’s (1986) parameters in horizontally...

Anisotropy template for transversely isotropic rocks

Gama Firdaus, Arkhat Kalbekov, Jyoti Behura, Manika Prasad

International Meeting for Applied Geoscience and Energy (IMAGE)

.... The anisotropy template can be utilized to (a) narrow the range of anisotropic parameters for known mineralogy and texture, (b) predict the texture of the rock...

VTI anisotropic stiffness tensor logging: A case study

Kristoffer Walker, Alexei Bolshakov, Gama Firdaus, Tim Fischer, Luca Duranti, Luisa Crousse, Mason Edwards

International Meeting for Applied Geoscience and Energy (IMAGE)

... a workflow is provided for obtaining Thomsen VTI parameters (ϵ, γ, and δ) as a function of depth. First, highresolution sonic log processing reduces thin...

The calculation of first-arrival P-wave traveltime for attenuating TTI media

Mengxiu Wang, Jingyi Chen, Zhengcong Zhao, Kaiyuan Ji, Shaoying Chang

International Meeting for Applied Geoscience and Energy (IMAGE)

... to describe the anisotropy of attenuation coefficient for plane waves in attenuative anisotropic media. The introduction of Thomsen-style notation...

Analysis of the influence of bedding-parallel cracks on shale anisotropy based on stress-induced rock physics model

Ying Xu, Feng Zhang, Guohua Niu, Xiangyang Li

International Meeting for Applied Geoscience and Energy (IMAGE)

...-parallel crack density (ex-situ), P-wave velocity, S-wave velocity, bulk density, Thomsen’s anisotropy parameters  and , from left to the right). (b...

A decoupled orthotropic anisotropy modeling method and its application

Wang Lei, Liang Jiandong, Xuan Ruiqing, Li Daoshan, Zhu Jinping, Hao Xiaoguang

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the azimuthal imaging gathers from orthotropic migration is used to update the TTI anisotropic parameters at each azimuth, and elliptical fitting...

Application of Anisotropic Depth Imaging Onshore

Scott Sutherland, Marianne Rauch-Davies

Unconventional Resources Technology Conference (URTEC)

...Application of Anisotropic Depth Imaging Onshore Scott Sutherland, Marianne Rauch-Davies URTeC: 2691958 Application of anisotropic depth imaging...

Seismic Imaging of Fractures … A Feasibility Study

Larry Lines

Search and Discovery.com

... be used be used to classify both the density and orientation of fractures. Subsequent research on anisotropic fractures has been presented by Thomsen...

Seismic Imaging of Fractures … A Feasibility Study

Larry Lines

Search and Discovery.com

... be used be used to classify both the density and orientation of fractures. Subsequent research on anisotropic fractures has been presented by Thomsen...

Abstract: Investigating fluid exchange between host granitic magma, enclaves and dykes in the South Mountain Batholith, Nova Scotia, Canada

Dana K. Thomsen, Richard A. Cox

Atlantic Geology

.... Thomsen, Richard A. Cox Investigating fluid exchange between host granitic magma, enclaves and dykes in the South Mountain Batholith, Nova Scotia...

Abstract: Evidence of magma mixing recorded on a mineral-scale in the Halifax pluton section of the South Mountain Batholith, Nova Scotia, Canada

Richard A. Cox, Dana Thomsen, Sydney Stashin, Derek Wongus

Atlantic Geology

... Richard A. Cox, Dana Thomsen, Sydney Stashin, Derek Wongus Evidence of magma mixing recorded on a mineral-scale in the Halifax pluton section...

Anisotropy Analysis in Shale Using Advanced Sonic Data - Bakken Case Study, #41049 (2012)

Mehdi Ostadhassan, Zhengwen Zeng, Hadi Jabbari

Search and Discovery.com

.... Considering shales as being vertically transverse isotropic (VTI), three Thomsen anisotropy parameters with five independent stiffness coefficients...

P- and PS-Wave Vector Wavefields for Anisotropic Petrophysics

James Gaiser

Petroleum Exploration Society of Australia (PESA)

.... Thomsen, L., 2013, On the use of isotropic parameters λ, E, ν, K to understand anisotropic shale behavior: 83rd Ann. Internat. Mtg., SEG, Exp. Abs...

Abstract: Calculation of Amplitude and Velocity in General Anisotropic Media; #90224 (2015)

M. Malehmir and D. R. Schmitt

Search and Discovery.com

.... Musgrave (1970) and Auld(1973) solved for slowness and polarization for given ray path of plane wave propagating in general anisotropic media. Thomsen...

PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study

Search and Discovery.com

The Effects of Lamination/Bedding on the Brittleness for the Woodford Shale Silica-Rich Intervals, From the Wyche-1 Core-Well Analysis, Pontotoc County, Oklahoma; #51394 (2017)

Carlos E. Molinares, Roger M. Slatt, Rafael Sierra

Search and Discovery.com

...) Thomsen (1986) characterized the Vp and Vs anisotropic velocities into two coefficients ε and 𝛾. Sondergeld and Rai (2011) plotted epsilon (ε...