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The AAPG/Datapages Combined Publications Database
Showing 7,126 Results. Searched 200,357 documents.
Semi-global multiparameter FWI using public cloud HPC
Henry A. Debens, David Knodel, Fabio Mancini, Darryl Harris, Mike Warner, Adrian Umpleby
International Meeting for Applied Geoscience and Energy (IMAGE)
... information. From here on we consider only the inversion of velocity and vertical transverse isotropy parameters. Several new aspects of semi-global...
2022
Bridging the gap: Deep learning on seismic field data with synthetic training for building Gulf of Mexico velocity models
Stuart Farris, Robert Clapp
International Meeting for Applied Geoscience and Energy (IMAGE)
... that adversely affects illumination. Seismic data acquired over the Tiber field, along with a legacy multiclient TTI (Tilted Transverse Isotropy) velocity...
2023
Fracture Characterization of the Montney Formation Using Amplitude Inversion of Converted Wave Seismic
Tyler L. MacFarlane, Thomas Davis
Unconventional Resources Technology Conference (URTEC)
... facture set, and relatively weak vertical transverse isotropy (VTI). For application of this methodology in other fields, anisotropic reflection...
2015
Q tomography workflow: Land case study in the Eagle Ford Play
Itai Sharabi, Matan Shustak, Orly Kletenik-Edelman, Ronit Levy, Zvi Koren
International Meeting for Applied Geoscience and Energy (IMAGE)
... building workflow 1. Velocity Model Building The velocity input in this study is obtained by transverse isotropy with a vertical axis of symmetry...
2023
Azimuthal Velocity Analysis of 3-D Pre-Stack Seismic Data for Fracture-Induced Anisotropy in the Altamont-Bluebell Field
Khaled Al Dulaijan, Gary Margrave
Unconventional Resources Technology Conference (URTEC)
.... A method for VVAZ inversion, based on the elliptical NMO equation for Transverse Isotropy (TI) media that was derived by Grechka and Tsvankin (1998...
2016
A depth uncertainty estimation method using interval-domain anisotropic VTI velocity and travel time detectability criterion
Andrey H. Shabelansky, Cory J. Hoelting, Min Yang, Sizhuang Deng, Jinsong Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... transverse isotropy (VTI) medium that is based on normal moveout (NMO) travel-time calculations and a detectability criterion. We provide the mathematical...
2024
Nonparametric Bayesian approach for robust depth uncertainty estimation from seismic velocity and anisotropy tradeoffs
Jinsong Chen, Sizhuang Deng, Min Yang, Andrey Shabelansky, Cory Hoelting, Huafeng Liu, Maisha Amaru
International Meeting for Applied Geoscience and Energy (IMAGE)
... parameters in a vertical transverse isotropy (VTI) medium. They used normal moveout (NMO) traveltime and detectability criteria to guide model...
2024
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)
... of a Vertical Transverse Isotropy (VTI) velocity calibration, is that the anisotropy in the horizontal direction will be captured as the log deviates through...
2016
Hybrid Velocity Model Building: 3D Ocean Bottom Cable (OBC) Orthorhombic Full Waveform Inversion (FWI) Depth Imaging of a Complex Geological Structure, Western Berau - Papua, Indonesia
Purbo Santoso, Yayat Supriatna, Tepy Septyana, Leo Tjahjadi, Yonghe Guo
Indonesian Petroleum Association
... the predicted and the observed data is larger than a half-cycle of the dominant frequency. The initial model used the vertical transverse isotropy (VTI...
2019
Minimum Horizontal Stress Sharpening; A Novel Workflow Honoring the High-Resolution Heterogeneity Seen in Unconventional Reservoirs
Edgar Velez, Elia Haddad, Andy Wray
Unconventional Resources Technology Conference (URTEC)
..., shales exhibit transverse isotropy with a vertical axis of symmetry (TIV), and this is reflected in different physical properties of this rocks...
2022
ABSTRACT: Seismic-Based Geomechaical Modeling Provides Attributes for Directional Well Planning; #90013 (2003)
EVGENII KOZLOV, IGOR GARAGASH, ALLEN LOWRIE
Search and Discovery.com
... 11-14, 2003 Fig. 3. Interval P-wave velocity for the interval between seismic horizons B and T2 calculated assuming horizontal transverse isotropy (HTI...
2003
Multi-Component Seismic (3C) Data Acquisition A Case Study from Oil India Ltd. Operational Area in Upper Assam Basin, #40728 (2011)
K. L. Mandal, A. K. Khanna, Dr. R. Dasgupta
Search and Discovery.com
.... With the vertically layered strata, vertical transverse isotropy or variations of seismic velocity with angle from the vertical is expected. Synthetic Seismogram...
2011
Unconventional Reservoir Shale Gas; #10459 (2012)
Sunjay Sunjay
Search and Discovery.com
... (horizontal transverse isotropy). This means that the fracture system is comprised of vertical fractures which cause anisotropic effects on seismic...
2012
Comparing Seismic Resolution and Signal and Noise Quality between Dense Point-Receiver and Conventional Data, Bakken Formation, North Dakota; #41160 (2013)
Niranjan Banik, Antoun Salama, Adam Koesoemadinata, George El-Kaseeh, Mark Egan, and Alfonso Gonzalez
Search and Discovery.com
... vertical transverse isotropy (VTI) anisotropy, especially in the overburden of the Bakken Formation, we also used an anisotropic migration on both data sets...
2013
Encased Secondary Minibasins: an Emerging Play in the Deepwater Gulf of Mexico; #30359 (2014)
Ursula Edwards, Vernon Moore, Ugojoh Odumah
Search and Discovery.com
... Tilted Transverse Isotropy (TTI), and Surface Related Multiple Elimination (3D SRME) Pliocene With the knowledge of their presence and widespread...
2014
Determining Brittleness from Seismic Data; #41725 (2015)
Satinder Chopra, Ritesh Kumar Sharma
Search and Discovery.com
... in the stiffness tensor could be determined and allow accounting for transverse isotropy in the shale. It was found that the static and dynamic Young...
2015
ABSTRACT: Longitudinal Evolution of Suez Rift Structure, Egypt, by B. Colletta, P. Le Quellec, J. Letouzey, and I. Moretti; #91030 (2010)
Search and Discovery.com
2010
Abstract: Paleogeographic Relations of Paleogene Depositional Systems in the Western Transverse Ranges, by W. R. Dickinson; #90981 (1994).
Search and Discovery.com
1994
The Impact of Anisotropic Mechanical Properties on Stimulation and Wellbore Stability in the Beetaloo Basin, Northern Territory, Australia
J Adam Donald, Thomas J. Neville
Unconventional Resources Technology Conference (URTEC)
... also be described by transverse isotropy with a vertical axis of symmetry (hereafter referred as VTI or TI throughout the paper). There are many...
2021
Efficient Completions in Anisotropic Shale Gas Formations
Saied Mighani, Carl Sondergeld, Chandra Rai
Unconventional Resources Technology Conference (URTEC)
... core ensures the Transverse Isotropy (TI) as an appropriate assumption for both rock types. Revisiting the uniaxial compression results presented...
2014
Formation Anisotropy and Heterogeneity Evaluation with a High-Resolution LWD Ultrasonic Slowness Imaging Tool
Naoki Sakiyama, Hiroshi Hori, Hiroaki Yamamoto, Hiroshi Nakajima, Matthew Blyth, Syed Muhammad Fahim Ud Din, Mark Kittridge
Unconventional Resources Technology Conference (URTEC)
... the intrinsic transverse isotropy is expected, the vertical and the horizontal shear slowness with the ultrasonic pitch-catch measurements are different. Thus...
2020
Towards Quantitative Assessment of 4D DAS Time Shifts for Enhanced Stimulated Rock Volume Characterization
Yesser Haj Nasser
Unconventional Resources Technology Conference (URTEC)
... rocks (Schoenberg and Helbig 1997; Sayers and Kachanov 1995; Sayers 1994a,b), we use a vertical transverse isotropy (VTI) model to predict the P-wave...
2022
A Geomechanics and Pore Pressure Informed Stage Level Optimization Case Study for Unconventional, Infill Development in the Powder River Basin
Joel Mazza, Justin Kegel, Steve Van Delinder, Tom Hewett, Beth Emborsky, Scott Patrick
Unconventional Resources Technology Conference (URTEC)
...). The outputs for the rock property curves are isotropic Young’s modulus (Mpsi) and Poisson’s ratio, vertical transverse isotropy indicator (VTI anisotropy...
2023
Origin of Transverse Faulting, Rocky Mountain Front Ranges, Canmore, Alberta
Ian W. Moffat,, John H. Spang
CSPG Bulletin
...Origin of Transverse Faulting, Rocky Mountain Front Ranges, Canmore, Alberta Ian W. Moffat,, John H. Spang 1984 147 161 Vol. 32 (1984) No. 2. (June...
1984
Fabric Pattern in a Basal Till Succession and its Significance for Reconstructing Subglacial Processes
Nicolaj K. Larsen, Jan A. Piotrowski
Journal of Sedimentary Research (SEPM)
...). Rusnak (1957) demonstrated that particles rotating in a fluid constitute least resistance when the particle is aligned parallel (0°) or transverse (90...
2003