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The AAPG/Datapages Combined Publications Database

Showing 527 Results. Searched 200,357 documents.

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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

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 BeefŽ 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

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