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The AAPG/Datapages Combined Publications Database
Showing 527 Results. Searched 200,357 documents.
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
Advanced VSP modeling for efficient data acquisition in deepwater subsalt well
Manish Lal Khaitan, Rafael Guerra, Francesco Miranda, Emmanuel Spadavecchia
International Meeting for Applied Geoscience and Energy (IMAGE)
... the reservoir with higher resolution depth images and to calibrate the velocity model, including the Thomsen anisotropy parameters. Their design was performed...
2022
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
Abstract: Analytic Formulae for Wave Normal of P-Waves in TI and Orthorhombic Media; #90255 (2017)
Qi Hao, Alexey Stovas
Search and Discovery.com
... with respect to Thomsen-type parameters. For TI media, the proposed formulae for the wave normal in terms of anellipticity parameters are more accurate...
2017
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
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
Abstract: Probabilistic and Computer Methodologies Used by U.S. Geological Survey for Geologic Estimates of Undiscovered Oil and Gas Resources in United States, by Betty M. Miller, Harry L. Thomsen; #90972 (1976).
Search and Discovery.com
1976
ABSTRACT: Reflection Shear-Wave Data Along the Principal Axes of Aximuthal Anisotropy, by Heloise B. Lynn and Leon A. Thomsen; #91038 (2010)
Search and Discovery.com
2010
ABSTRACT: Salt Dynamics and Sediment Maturity, by R. O. Thomsen, I. Lerche; #91003 (1990).
Search and Discovery.com
1990
ABSTRACT: Quantitative Dynamic Analysis of the Northwest Danish Central Graben: An Application of the GEOPET II, 2-D Simulation Model, by R. O. Thomsen, I. Lerche, A.-M. Jepsen; #91003 (1990).
Search and Discovery.com
1990
Abstract: A Simulation Model for Hydrodynamic Oil/Gas Entrapment, by R. O. Thomsen and I. Lerche; #91004 (1991)
Search and Discovery.com
1991
Abstract: Salt Dynamics: Excess Maturity, Timing, and Flow Speed, by R. O. Thomsen and I. Lerche; #91006 (1991)
Search and Discovery.com
1991
Abstract: Sensitivity Analysis and Data Resolution: Important Aspects of Quantitative Basin Analysis, by R. O. Thomsen, A-M. Jepsen, and F. Maubeuge; #90987 (1993).
Search and Discovery.com
1993
Abstract: Sensitivity Analysis and Data Resolution: Important Aspects of Quantitative Basin Analysis, by R. O. Thomsen, A-M. Jepsen, and F. Maubeuge; #90990 (1993).
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1993
Marine Multicomponent Seismic – The New Issues in the Developing Revolution
Jason Robinson
Indonesian Petroleum Association
... Anisotropy. Geophysics, v. 66, pp. 40-41. Thomsen, L., 1998. Converted-Wave Reflection Seismology over Inhomogeneous, Anisotropic Media: 68th Ann...
2002
Full-Waveform Inversion Application on 2D Slanted Streamer Data - A Case Study
Andreas Waluyo
Indonesian Petroleum Association
... and this model was used to generate anisotropic analysis scans over several selected common image points. The Thomsen epsilon (ε) and delta (δ) functions...
2014
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
Analyzing Beef Fractures: Genesis and Relationship With Organic-Rich Shale Facies
Mohammed Al Duhailan, Steve Sonnenberg, Mark Longman
Unconventional Resources Technology Conference (URTEC)
... of isotropic or anisotropic layers (Thomsen, 1986). The values for static horizontal Young’s modulus are greater than the values for vertical Young...
2015
A Comparative Study of Organic Richness and Maturity Impact on Anisotropic Geomechanical Properties in Shale Reservoirs
Azra N. Tutuncu, Binh Bui
Unconventional Resources Technology Conference (URTEC)
... to obtain the anisotropic geomechanical parameters. The results highlight the maturation, organic richness and clay composition effect on the recorded...
2019
Recommendations From Error Analysis of Single Well Microseismic Data With Full-Wavefield Moment Tensor Inversion: A Case Study
Juan M. Lorenzo, Trudy L. Watkins, Arash Dahi Taleghani
Unconventional Resources Technology Conference (URTEC)
...ensor inversions are commonly used with only isotropic assumptions, however many geologic formations have anisotropic velocities (Thomsen, 1986). Shale...
2017
Least-squares reverse time migration for attenuating TTI media
Xinru Mu, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... − sin 2 2 + 2 cos 2 2 ) , respectively, and represent the Thomsen parameters, and represents the angle of the anisotropic symmetry axis...
2024
Combined Diving Wave Refraction Tomography and Reflection Tomography for PSDM Velocity Model Building (Bekapai Field, Indonesia)
Andi Kusuma, Florent Bertini, Jacques Bonnafe, Artem Sazykin, Swee Leng Ng
Indonesian Petroleum Association
... the RMO observed on migrated gathers. Our test showed that the Thomsen’s VTI anisotropic parameters have brought significant impact on the gather...
2011
Uncovering Seismic HTI Anisotropy of the Cooper Basin
Stephanie Tyiasning, Dennis Cooke
Petroleum Exploration Society of Australia (PESA)
... of incidence (θ) and source-receiver azimuth angle ( ). The output parameters include intercept (Aiso), isotropic gradient (Biso), anisotropic...
2016
Ultrasonic wave velocities measurements and seismic anisotropy at Karari gold deposit: Implications for gold exploration
Andre Eduardo C. M. de Souza, Stephanie Vialle, Andrej Bona
Petroleum Exploration Society of Australia (PESA)
... directions as a first estimation of the anisotropy. The anisotropy was quantified by two of Thomsen´s anisotropic parameters: (1) ε, which refers...
2019