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The AAPG/Datapages Combined Publications Database
Showing 473 Results. Searched 195,387 documents.
Using Sonic and Resistivity Effective Medium Theories to Quantify the Influence of Rock Fabric on the Mechanical Properties of Organic Mudrocks
Paul Sayar, Carlos Torres-Verdín
Unconventional Resources Technology Conference (URTEC)
... of the rock penetrated by the well. Thomsen’s parameters (1986), URTeC 2142775 9 and , are used to estimate the degree of anisotropy of the rock where...
2015
Estimating Stimulation-Zone Anisotropy Effects During Microseismic Monitoring
Martin Karrenbach, Steve Cole, Victor Yartsev
Unconventional Resources Technology Conference (URTEC)
... exhibit anisotropic behavior at larger seismic scales. We extract anisotropy parameters epsilon, delta, and gamma (Thomsen parameters) from the upscaled...
2015
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: Velocity Model Calibration Effects on Microseismic Locations; #90187 (2014)
J. Akram and D. W. Eaton
Search and Discovery.com
... with different levels of VTI in shale layer. The anisotropy parameters are considered in the range of 0-20% (weak anisotropy). In Thomsen parameters, γ...
2014
Recent Discoveries of Oil and Gas in Northeastern Colorado: ABSTRACT
Harry L. Thomsen
AAPG Bulletin
...Recent Discoveries of Oil and Gas in Northeastern Colorado: ABSTRACT Harry L. Thomsen 1951 1105 1105 35 5. (May) The discovery of oil in Cheyenne...
1951
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
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
Solving Shear-Wave Splitting in PS Data Processing of 3D 4C OBN Seismic Survey Offshore Nunukan, Indonesia
Andreas Waluyo, David Tilling, Supriyono, Rio Sebayang, Agus Warmar Rasa
Indonesian Petroleum Association
.... In the presence of azimuthal anisotropy, PS data can help identify fracture properties. In azimuthally anisotropic medium, the shear wave splits...
2020
Abstract: Life of Field: Geoscience Monitoring of Reservoir Performance
Leon Thomsen
Houston Geological Society Bulletin
...Abstract: Life of Field: Geoscience Monitoring of Reservoir Performance Leon Thomsen 2017 33 Vol. 59 (2017) No. 6. (February) SEAM is the research...
2017
Abstract: An Effective Medium Model for a Fractured Carbonate Reservoir Undergoing CO2 Flood at Weyburn Field, Saskatchewan; #90174 (2014)
Chris Blackwood
Search and Discovery.com
... effective medium, and Thomsen parameters (1986) are calculated and employed in the Ruger equation (1996) to understand amplitude variation with offset...
2014
Estimation of Total Organic Carbon (TOC) Content of Shale from AVO Inversion: A New Crossplot Approach Based on Zoeppritz Equations
Un Young Lim, Richard Gibson Jr., Nurul Kabir
Unconventional Resources Technology Conference (URTEC)
... using the full Zoeppritz solutions for reflection amplitudes. The inversion can correctly estimate five different parameters of anisotropic media like...
2019
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
Advances in Depth Imaging Technology: Rock Physics Guided Migration of Seismic Data in 3D
Nader C. Dutta, Sherman Yang, Jianchun Dai
Indonesian Petroleum Association
... of well calibration due to unreliable anisotropic parameter estimation (epsilon and delta; Thomsen, 1986), (4) The difference between seismic processing...
2012
Abstract: Velocity Updating for Converted-Wave Prestack Time Migration; #90211 (2015)
Xiaogui Miao
Search and Discovery.com
.... For isotropic media, setting χeff to zero reduces velocity updating to two parameters, Vc and γeff. In this abstract, I will discuss only the anisotropic case...
2015
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
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
A Regional Velocity Cube for Depth Conversion on the Northwest Shelf
Maighréad Ní Dheasúna, Mark Ballesteros, James Leven
Petroleum Exploration Society of Australia (PESA)
... an isotropic section as if the medium were model. There is always a t radeoff between the keyed method, which does not have the same anisotropic. Thomsen...
2012
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
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
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
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
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
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
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