Abstract: Estimation of Epsilon Parameter of Fracture Induced Anisotropy by In-Situ Seismic Refraction Survey

Eko March Handoko Masyhur, Abdul Ghani Md Rafek, Khairul Arifin Mohd Noh

Geological Society of Malaysia (GSM)

.... Thomsen’s anisotropy parameters summarized this velocity variation to improve the accuracy of subsurface imaging. A seismic refraction survey...

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)

... to determine the TI anisotropic elastic parameters accurately, rapidly, and robustly using a data driven machine learning aided inversion from full waveform...

ABSTRACT: Anisotropy Analysis in Shale Using Advanced Sonic Data — Bakken Case Study, by Ostadhassan, Mehdi; Zeng, Zhengwen ; Jabbari, Hadi; #90142 (2012)

Search and Discovery.com

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)

.... First using Backus averaging and Berryman equations, stiffness parameters together with Thomsen parameters at well locations are Warta Geologi, Vol. 44...

Abstract: Geomechanics, Anisotropy and LMR; #90174 (2014)

Marco Perez, Bill Goodway, and David Close

Search and Discovery.com

... for AVAZ approximated to two terms by two of the three Thomsen parameters, δ and γ. More specifically, the anisotropic gradient term has the form...

NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers

E. Blias

Search and Discovery.com

... dependent NMO velocity to determine vertical P and S velocities and anisotropic parameters E P ˆ and E . SV AAPG Search and Discovery Article #90168©2013...

NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers

E. Blias

Search and Discovery.com

... dependent NMO velocity to determine vertical P and S velocities and anisotropic parameters E P ˆ and E . SV AAPG Search and Discovery Article #90168©2013...

Anisotropy parameters for fractured shales

Leon Thomsen, Colin Sayers

International Meeting for Applied Geoscience and Energy (IMAGE)

...Anisotropy parameters for fractured shales Leon Thomsen, Colin Sayers Anisotropy parameters for fractured shales Leon Thomsen* and Colin Sayers...

Application of acoustic anisotropic time-lapse full-waveform inversion at the Sleipner Field

Sea-Eun Park, Alexey Stovas, Hyeong-Geun Ji, Ju-Won Oh

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and source, respectively. The anisotropic parameters, ε, and δ, are Thomsen’s parameters (Thomsen, 1986), which control the kinematic properties...

Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad

Tony Johns

Search and Discovery.com

...) equation: K = ( H - G ) / ( 1 + 2G ) (1) The anisotropic Thomsen parameters were further updated after the PZ and PS depth images were registered...

Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad

Tony Johns

Search and Discovery.com

...) equation: K = ( H - G ) / ( 1 + 2G ) (1) The anisotropic Thomsen parameters were further updated after the PZ and PS depth images were registered...

Improved Structural Imaging of the Karama Seismic Survey Using Anisotropy Kirchhoff and Beam Depth Migration

Zbigniew Ostapiuk, Bee Jik Lim, Martin Bayly

Indonesian Petroleum Association

... survey within the same basin to derive the Thomsen parameters. The tilt parameters for the anisotropy symmetry axis were estimated from the seismic dip...

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)

..., and Thomsen’s (1986) anisotropic parameters, ε and δ. Since the velocity changes with direction relative to the dip of the strata, an accurate...

The effects of seismic anisotropy on mining seismology

Andrew King

Petroleum Exploration Society of Australia (PESA)

... isotropic (VTI) model would be appropriate. This model requires five parameters for its specification, for which Thomsen’s formulation (Thomsen, 1986) has...

Abstract: P-wave AVAz Modeling: A Haynesville Case Study; #90224 (2015)

Jon Downton

Search and Discovery.com

... the anisotropic elastic model used in forward modeling. Linear slip theory is briefly reviewed with the goal of introducing the key concepts and parameters...

Estimation of anisotropic parameters from semblance picking using dynamic programming

Hong Liang, Houzhu (James) Zhang, Dongliang Zhang, Hongwei Liu, Xu Ji

International Meeting for Applied Geoscience and Energy (IMAGE)

...Estimation of anisotropic parameters from semblance picking using dynamic programming Hong Liang, Houzhu (James) Zhang, Dongliang Zhang, Hongwei Liu...

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...

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...

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: North Sumatra Basin Organic Content Estimation Using Anisotropic Rock Physics Modeling Based On Core, Log And Seismic Data

R. Ryacudu, T. S. Priantono, P. M. O. Iriana, G. W. Purnama, D. Risdianto

The Society for Organic Petrology (TSOP)

...  anisotropic  normal  moveout  (NMO).  The  anisotropic  parameters  (Thomsen,   1986)   used   in   the   NMO   modeling...

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...

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

... model. To quantify the degree of seismic anisotropy in the subsurface, one method is by estimating the anisotropic parameters from laboratory measurements...

Abstract: Detailed Simulation of Near-Surface Effects on Arabian AEM and AGG Data; #90319 (2018)

Carsten Scholl, Michael D. Watts

Search and Discovery.com

..., each a 6.25m cube) and were of vp, vs, Thomsen parameters, and density. From a workflow of classification, porosity calculation, and computation...

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...

Anisotropic depth migration in the Colombian Llanos Foothills as a key to understanding the structure in depth

emamedov

Search and Discovery.com

... model. By starting with nonzero values for our anisotropic parameters (in this case ε=12% and δ=3%) and an initial interpretation of the dip field from...