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The AAPG/Datapages Combined Publications Database
Showing 473 Results. Searched 195,354 documents.
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
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)
Search and Discovery.com
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
PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study
Search and Discovery.com
N/A
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 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