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The AAPG/Datapages Combined Publications Database

Showing 473 Results. Searched 195,354 documents.

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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...

2006

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...

2012

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...

2015

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...

2017

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...

2023

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...

2017

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...

Unknown

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...

Unknown

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...

2012

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...

2018

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...

2019

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...

2016

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...

2015

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...

2017

Elastic Anisotropy of Shales ƒ Revisited; #41557 (2015)

Marina Pervukhina, Patrick N. J. Rasolofosaon

Search and Discovery.com

.../diagenesis. Definition of the Considered Anisotropic Parameters All the considered rock samples are assumed transversely isotropic (TI...

2015

Case Study: Can We Use Angle Gathers to Detect Fracture Distribution of Carbonate Reservoir in Rama Field?

Zha Chaoyang, Sun Pengxiao, Shen Xiaohong, Wen Shuliang, Tang Donglin, Heng Liqun

Indonesian Petroleum Association

...) showed that for weakly anisotropic materials the velocities can be written as follows, where , ,  and  are called Thomsen’s parameters.    VP...

2013

ABSTRACT: Anisotropic PP and PSv Prestack Depth Migration of 4C _OBC_ Seismic Data, Pamberi, Offshore Trinidad

Tony Johns, Carmen Vito and Raul Sarmiento

Geological Society of Trinidad & Tobago

... a qualitative correlation between derived parameters and attributes from P and Sv anisotropic migration velocities and known regional geology...

2007

Abstract: 3D–3С Full-Wave Modeling in Anisotropic 2.5D Medium; #90171 (2013)

A. Kostyukevych, N. Marmalevskyi, Y. Roganov, and V. Tulchinsky

Search and Discovery.com

... in 2.5D modeling. Let us have a model consisting of two HTI anisotropic layers with the following parameters: the upper layer anisotropic axis...

2013

ABSTRACT: Imaging Through Gas Clouds: Case Histories from the Gulf of Mexico; #90007 (2002)

Knapp, Steve, Nigel Payne, Tony Johns

Search and Discovery.com

... the optimal parameters of the Vp/Vs ratio (γ) will be discussed. Finally, images from both the compressional (P and Z components summed) and converted shear...

Unknown

2D Survey Earth Model Building and Depth Imaging Using 3D Grid-Based Tomography Technology

Eric Pearson, Suyang Chen

Indonesian Petroleum Association

..., the four layers were parameterized with constant Thomsen ε and δ parameters derived from interval Eta (η) from raytraced time domain analysis. The Eta (η...

2012

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)

... ANISOTROPIC CONSIDERATIONS Anisotropy was addressed using Thomsen’s approach (Thomsen, 1986), in which four parameters are required, besides the vertical...

2006

Abstract: 3D, Anisotropic Phase Shift Operators; #90171 (2013)

Robert J. Ferguson and Gary F. Margrave

Search and Discovery.com

... [ 2 1 ] . I 2  Elastic parameters  , ,  and slow-direction velocities 0, 0 are unique for geologic media (Thomsen, 1986...

2013

Abstract: 3D, Anisotropic Phase Shift Operators; #90171 (2013)

Robert J. Ferguson and Gary F. Margrave

Search and Discovery.com

... [ 2 1 ] . I 2  Elastic parameters  , ,  and slow-direction velocities 0, 0 are unique for geologic media (Thomsen, 1986...

2013

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