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...

South Halfway 3D: An example of a challenging onshore acquisition and subsequent processing and a unique way of performing a prestack elastic inversion on a difficult dataset

Marianne Rauch, Doug Brost, Hassan Odhwani, Aravind Nangarla, Adriana Gordon

International Meeting for Applied Geoscience and Energy (IMAGE)

... and updating the Thomsen anisotropic parameters ε (epsilon) and δ (delta) are accomplished using well calibration. This process consists of first...

2D isotropic and vertical transversely isotropic RTM using SEG Hess VTI Model

Richa Rastogi, Abhishek Srivastava, Monika Gawade, Nithu Mangalath, Laxmaiah Bathula, Bhushan Mahajan, Suhas Phadke

International Meeting for Applied Geoscience and Energy (IMAGE)

... moveout velocity, ε and δ are Thomsen’s anisotropic parameters. Equations (3) and (4) are implemented using regular grid finite difference method which...

Application of distributed fiber optic and borehole-surface jointly acquired seismic data in high-resolution processing of conventional seismic

Zhanqing Yu, Cheng Wang, Miao Kun

International Meeting for Applied Geoscience and Energy (IMAGE)

... the early velocity measurement and horizon calibration to the extraction of attenuation coefficient and anisotropic parameters and high-precision imaging...

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...

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...

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...

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...

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...

Velocity Model Building Using Tilted Orthorhombic Depth Imaging for Full Azimuth Seismic Data

Yunfeng (Fred) Li, Qiaofeng Wu, Chuen-Song Chen

GCAGS Journal

... conflicting residual moveouts among CIGs of different azimuths from TTI imaging. A more general anisotropic model, tilted orthorhombic (TOR), is needed to cope...

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...

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...

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...

Abstract: The Application of The Nearly Optimal Sponge Boundary Conditions for Seismic Wave Propagation in Poroelastic Media; #90171 (2013)

Jingyi Chen and Ralph Phillip Bording

Search and Discovery.com

... set of parameters to minimize this energy metric. We apply this optimal scheme to the numerical simulation of seismic wave propagation in 2-D...

Abstract: The Application of The Nearly Optimal Sponge Boundary Conditions for Seismic Wave Propagation in Poroelastic Media; #90171 (2013)

Jingyi Chen and Ralph Phillip Bording

Search and Discovery.com

... set of parameters to minimize this energy metric. We apply this optimal scheme to the numerical simulation of seismic wave propagation in 2-D...

Abstract: Fracture Detection Via Azimuthal Analysis of Seismic Data: Snake Oil or silver Bullet?; #90187 (2014)

Mike Perz, Peter Cary, Xinxiang Li, and Satinder Chopra

Search and Discovery.com

... of these issues. The AVAZ technique is sensitive to two Thomsen parameters,  (v) and \(v) (parameters describing layer-localized shear wave splitting...

An Experimental Investigation of the Anisotropic Dynamic and Static Properties of Eagle Ford Shales

Yang Wang, De-Hua Han, Luanxiao Zhao, Abhijit Mitra, Samir Aldin

Unconventional Resources Technology Conference (URTEC)

... at crack surfaces or grain boundaries. Hence, the statically derived parameters are sensitive to the anisotropic stress state and load-unload history...

PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study

Search and Discovery.com

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...

Application of interactive convolutional neural network micro-fracture prediction technology based on prestack depth migration data in deep shale gas reservoirs

Xiaolan Wang, Furong Wu, Junfeng Liu, Dianguang Zang, Xiao Yang, Yangjing Li, Xiaoyan Cheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... Thomsen parameters ε, δ, γ, and the formation dip angle θ. The reasonable establishment of these parameters plays a decisive role in correctly describing...

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...

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...

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...

Joint VTI and Mud Slowness Inversion Using Multiple Modes and Adaptive Weighting

Mark Collins

Unconventional Resources Technology Conference (URTEC)

... of estimating c44. This paper describes an algorithm that inverts for the Thomsen parameter, or normalized difference of the shear bulk moduli...

Abstract: Characterizing Dipping Fractures from P-wave Amplitude Versus Azimuth Studies; #90187 (2014)

Jon Downton and Hampson Russell

Search and Discovery.com

... parameters turn out to be better resolved as they have smaller uncertainty. For asymmetric fractures the anisotropic gradient is Bani  g  V   N...