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The AAPG/Datapages Combined Publications Database
Showing 527 Results. Searched 200,691 documents.
What Are You Interpreting? Your Seismic Image Could Be Misleading You!
R. T. Newrick, E. P. Gomez, J. K. Pullishy, S. D. Jensen, J. M. de Armas
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... model, Vεδθ, in the case of anisotropy, specifically transverse isotropy that may be described using the Thomsen parameters ε and δ (Thomsen, 1986...
2006
Quantitative time-lapse analysis of 4D DAS VSP time shifts to monitor stimulated rock volume in unconventional reservoirs
Yesser Haj Nasser
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the induced fractures. To achieve this, first, I use a VTI model with initial anisotropic Thomsen’s parameters 𝜖, 𝛿, and 𝛾 to compute the P...
2022
Abstract: The Evolving Role of Geophysics in Exploration. From Amplitudes to Geomechanics (Paper C7)
E. C. Andersen, D. Gray
Geological Society of Malaysia (GSM)
... and fluids from seismic data. (Figure 2). Thomsen (1985) simplified the concept of seismic anisotropy, the variation of physical properties in different...
2012
Abstracts: The Evolving Role of Geophysics in Exploration: From Amplitudes to Geomechanics; #90173 (2015)
Eric Andersen, David Gray
Search and Discovery.com
...). AAPG Search and Discovery Article #90173 CSPG/CSEG/CWLS GeoConvention 2011, Calgary, Alberta, Canada, May 9-11, 2011 Thomsen (1985) simplified...
2015
Abstract: Three-Dimensional Simulation of Carbonate Platform Growth -- A Preliminary Forward Model, by Pavel S. Galperin, Rene O. Thomsen, Steven L. Dorobek, and Veit J. Matt; #90914(2000)
Search and Discovery.com
2000
PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study
Morgan P. Brown, Joseph H. Higginbotham, Dave List, Chris Lang
Unconventional Resources Technology Conference (URTEC)
... of faults. Vertical mistie correction predicted the top Niobrara to within 4 feet on a new well, but we show enough variation in Thomsen to justify...
2013
PSDM for unconventional reservoirs? A Niobrara Shale case study; #80405 (2014)
Morgan P. Brown, Joseph H. Higginbotham, Cosmin Macesanu, Oscar E. Ramirez, Dave List, Chris Lang
Search and Discovery.com
... Niobrara to within 4 feet on a new well, but we show enough variation in Thomsen δ to justify anisotropic PSDM. Azimuthal velocity analysis using Wave...
2014
ABSTRACT: Seismic-Based Geomechaical Modeling Provides Attributes for Directional Well Planning; #90013 (2003)
EVGENII KOZLOV, IGOR GARAGASH, ALLEN LOWRIE
Search and Discovery.com
... of parameters: bulk and shear anisotropic elastic moduli, density, angle of internal friction, rock cohesion, strength limit, and initial distribution...
2003
Abstract: Challenges in Seismic Monitoring of Flow through Fractured Carbonates, by Laura J. Pyrak-Nolte, Weiwei Li, and Christopher Petrovitch; #120034 (2012)
Search and Discovery.com
2012
Abstract: AVAZ Inversion for Fracture Orientation and Intensity: a Physical Modeling Study; #90187 (2014)
Faranak Mahmoudian and Gary F. Margrave
Search and Discovery.com
... of two HTI layer, to directly invert for fracture orientation and the anisotropic gradient (a combination of δ and γ parameters) from azimuthal...
2014
2000
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
Search and Discovery.com
N/A
Frac Hit Prevention and Engineered Treatment Design in the Permian Basin Using In-Situ Stress from 3D Seismic
Michael Shoemaker, James Hawkins, John Becher, Veronica Gonzales, Sandeep Mukherjee, Reza Garmeh, David Kuntz
Unconventional Resources Technology Conference (URTEC)
... Scalar For Vertical Transverse Isotropic (VTI) media representing anisotropic shale, Thomsen et al. (2013) and Sayers et al. (2015) both argue...
2019
Crack Density Identification From Shear Wave Splitting Parameter Using Model Single Set Aligne Fracture: a Case Study Carbonate Reservoir
Thariq Guntoro, Intan Andriani Putri, Pebrian Tunggal Prakosa, Yulia Putri Wulandari
Indonesian Petroleum Association
...) fluid substitution equation, fluid replacement modeling, and Thomsen (1986) anisotropy parameters were used for shear wave velocity prediction. Vs_fast...
2014
Microseismic Quality Control Using Synthetic Seismograms
M. C. Smith, S. D. Goodfellow, J. Huang, S. C. Maxwell, J. Teff, B. Kennedy, B. Bayliss
Unconventional Resources Technology Conference (URTEC)
... the build section of the well into the lateral and the calibrated Thomsen parameters (Thomsen, 1986) within those layers will be underestimated...
2016
Towards Quantitative Assessment of 4D DAS Time Shifts for Enhanced Stimulated Rock Volume Characterization
Yesser Haj Nasser
Unconventional Resources Technology Conference (URTEC)
... phase velocity for the baseline survey. This model is best characterized by the anisotropic Thomsen’s parameters 𝜖, 𝛿, and 𝛾 (Thomsen, 1986). Second...
2022
Integration of Core Data with Well Logs for Geomechanical Property Determination and Monitoring in the Argentinean Vaca Muerta Shale Formation
Maxwell Willis, Azra N. Tutuncu
Unconventional Resources Technology Conference (URTEC)
... to develop an anisotropic formation model for which the logs could be calibrated with. Thomsen coefficient epsilon was determined being not equal...
2014
Anisotropic elastic full-waveform inversion for crosswell seismic data for Wyoming CarbonSAFE project
Olga Podgornova, Shujaat Ali, Ting Lei, Peng Li, Matthew Johnson, Lu Lee, Zunsheng Jiao, J. Fred McLaughlin, Erik Borchardt, Lin Liang, Pierre Bettinelli, Joel Le Calvez
International Meeting for Applied Geoscience and Energy (IMAGE)
... and delta. and Thomsen The data show strong anisotropy for both P and SH arrivals, and an anisotropic initial model was constructed by traveltime...
2023
A Petrophysical Study on Floyd Shale; #110072 (2008)
Mriganko Sarkar, Chandra S. Rai, Carl H. Sondergeld
Search and Discovery.com
... ) δ = 2C33(C33 − C44 ) (Thomsen, 1986) 2 9/14/2008 2 AAPG Convention 2008- San Antonio 2008- 16 Variation of Thomsen’s anisotropy parameters...
2008
Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)
Peter W. Cary, Albert Zhang
Search and Discovery.com
...-physical parameter that is not directly related to the Thomson anisotropy parameters and (Tsvankin and Thomsen, 1994). The double square root...
2015
Workflow for Zoeppritz AVO Inversion to Estimate Seismic Anisotropy, Geomechanical Properties and TOC of Shale: Case Study of Avalon Shale, Delaware Basin, #42416 (2019).
Un Young Lim, Nurul Kabir, Richard L. Gibson Jr.,
Search and Discovery.com
... by " Underestimated Density 14 Estimation of seismic anisotropy (✏ and ) Thomsen parameters (✏ and ) [Thomsen, 1986]: "= = 2 V 2 (90 ) VP (0...
2019
Advanced Imaging and Inversion for Oil Production Estimates in Unconventional Resource Plays
Greg M. Johnson, Paul Miller, David Phillips
Unconventional Resources Technology Conference (URTEC)
... effects (Thomsen 2002) and any amplitude-versus-angle inversion work will benefit from advanced imaging that properly corrects for TI. The multiazimuth...
2013
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
Using Thomsen's Model to Analyze Composition and Internal Structure of Shales; #90017 (2003)
Jose Agnelo Soares, Margareth da Silva Brasil Guimaraes
Search and Discovery.com
... platelets porosity. Thus, knowing the anisotropy Thomsen´s parameters through wave velocities measurements in shale samples and adopting a value...
2003
Impact Of Anisotropy Induced By Shale Lamination And Natural Fractures On Drilling, Completion, and Fracturing Design
Ming Gu
Unconventional Resources Technology Conference (URTEC)
... to the Eq. (6), the anisotropy introduced by the natural fractures can be defined as three non-dimensional parameters similarly as Thomsen anisotropy...
2017