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The AAPG/Datapages Combined Publications Database
Showing 6,913 Results. Searched 195,364 documents.
Abstract: Shear Wave Splitting Analysis of Borehole Microseismic Reveals Weak Azimuthal Anisotropy Hidden Behind Strong VTI Fabric of the Lower Paleozoic Shales in Northern Poland; #90310 (2017)
Wojciech Gajek, James V. Verdon, Michal Malinowski, Jacek Trojanowski
Search and Discovery.com
... shale plays in northern Poland are characterized by a strong (15-18%) Vertical Transverse Isotropy (VTI) fabric which dominates weak azimuthal anisotropy...
2017
Rock Physics of Fractured Carbonates
Lev Vernik, Alan Mur
International Meeting for Applied Geoscience and Energy (IMAGE)
... in an isotropic background, the model implies horizontal transverse isotropy (HTI), whereas two suborthogonal vertical fracture sets introduce even...
2023
Seismic Anisotropy Modeling from Well Log in Talang Akar Formation, South Sumatra, Indonesia; #41360 (2014)
Thariq Guntoro, Intan Andriani Putri1, and Dwa Desa Warnana
Search and Discovery.com
... characteristics. Then, anisotropic AVO (Amplitude Versus Offset) equation is used to extract synthetics seismogram from isotropy and anisotropy model...
2014
Abstract: Velocity Model Calibration Effects on Microseismic Locations; #90187 (2014)
J. Akram and D. W. Eaton
Search and Discovery.com
.... In this paper, we use finite-difference synthetic seismograms to assess the importance of seismic anisotropy (weak transverse isotropy, up to 20...
2014
Petrophysical Characterization of 3D Printed Rock and Its Substitution in the Validation Experiment, #42303 (2018).
Lingyun Kong, Mehdi Ostadhassan, Chunxiao Li, Lei Gong,
Search and Discovery.com
... prism to validate the seismic anisotropy of VTI (vertical transverse isotropy), which is cause by printing layers. The results of Vp and Vs resemble...
2018
Effects of Overburden Anisotropy and Vertically Aligned Fractures on P-Wave Azimuthal AVO Responses
Fatkhan, Yudi Yanto, Nofri Faruza Said
Indonesian Petroleum Association
...) is pervaded by a system of vertical aligned fractures it will display transverse isotropy with a horizontal axis of symmetry (HTI), or so-called...
2005
Seismic Anisotropy Modelling and Fluid Substitution for Carbon Dioxide (Co2) Well Storage Project In Carbonate Reservoir
Pebrian Tunggal Prakosa, Thariq Guntoro, Ahmat Dafit Hasim, Okok Wijaya, Yulia Putri Wulandari
Indonesian Petroleum Association
... laboratories already know the physical characteristics of minerals and rocks, using the matrix stiffness in the Vertical Transverse Isotropy (VTI) media...
2014
Improved Structural Imaging of the Karama Seismic Survey Using Anisotropy Kirchhoff and Beam Depth Migration
Zbigniew Ostapiuk, Bee Jik Lim, Martin Bayly
Indonesian Petroleum Association
... by the complex wave-propagation in such geological media. For these reasons, tilted transverse isotropy (TTI) anisotropic model building and depth...
2012
Uncovering Seismic HTI Anisotropy of the Cooper Basin
Stephanie Tyiasning, Dennis Cooke
Petroleum Exploration Society of Australia (PESA)
... Adelaide [email protected] SUMMARY 3D seismic data from the Cooper Basin exhibit horizontal transverse isotropy (HTI) anisotropy...
2016
Abstract: Imaging Scattered Seismic Energy in Alberta Oil Sands; #90187 (2014)
Andrew V. Barrett
Search and Discovery.com
... not significantly alter the imaging in our case. Only vertical transverse isotropy (VTI) was used, with an effective η incorporating both the effects...
2014
Getting it Right the First Time in the Ceduna Sub-Basin: Regional and Target Depth Imaging in a Frontier Setting
Weidi Koh
Australian Petroleum Production & Exploration Association (APPEA) Journal
... and Ceduna motion contrast 3D scanning (MC3D) surveys. TTI, tilted transverse isotropy. Frontier depth imaging in the Ceduna Sub-basin control (QC...
2017
Anisotropic 3D Amplitude Variation with Azimuth (AVAZ) Methods to Detect Fracture-Prone Zones in Tight Gas Resource Plays, #41531 (2015).
Bill Goodway, John Varsek, Christian Abaco
Search and Discovery.com
... Ambiguities AVAZ interpretation for fracture attributes can be established by models using theory based on HTI anisotropy (horizontal transverse isotropy...
2015
NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers
E. Blias
Search and Discovery.com
...., Grechka, V. and Tsvankin, I., Moveout inversion of P-wave data for horizontal transverse isotropy: Geophysics, 64, 1219-1229. Grechka, V. and Tsvankin...
Unknown
NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers
E. Blias
Search and Discovery.com
...., Grechka, V. and Tsvankin, I., Moveout inversion of P-wave data for horizontal transverse isotropy: Geophysics, 64, 1219-1229. Grechka, V. and Tsvankin...
Unknown
Integration of Multicomponet Surface Seismic, Multicomponent VSP and Microseismic in Reservoir characterization
Paul Constance, Jim Simmons, Shihong Chi, Lisa Sanford
Unconventional Resources Technology Conference (URTEC)
... cause vertical transverse isotropy (VTI), whereas horizontal variations such as caused by fractures give horizontal transverse isotropy (HTI). We remove...
2015
Multi-Azimuthal Walkway VSP for Full Azimuth Seismic Calibration
Konstantin Galybin, Anastasia Poole, Michael Giles
Petroleum Exploration Society of Australia (PESA)
... this survey were the presence of interbed multiples across the zone of interest and poorly understood seismic anisotropy in both Horizontal Transverse Isotropy...
2016
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
... and Vs_slow were estimated from the stiffness tensor matrix for a Horizontal Transverse Isotropy (HTI) medium using a model of a single set of aligned...
2014
Extended Abstract: Integrating Geological, Petrophysical, and Seismic Rock Property Data to Identify Prospective Areas and High-grade Locations
Cesar Marin
Houston Geological Society Bulletin
... Transverse Isotropy (HTI). During phase two, geological and petrophysical analyses were carried out on well data to identify reservoir properties...
2016
Extended Abstract: Advances and Challenges in Seismic Data Processing and Imaging for Geologically Complex Areas
Ruben D. Martinez
GCAGS Transactions
... accurate velocity models for migration but also be able to account for velocity anisotropy, in this case, TTI (tilted transverse isotropy). The estimation...
2012
Geomechanical and Geophysical Analysis of a Wattenberg Field through Wavefield Re-Datuming and Inversion
Jyoti Behura, Pete Smith, Oscar Quezada
Unconventional Resources Technology Conference (URTEC)
... such as monoclinic). Vertical transverse isotropy (VTI) and horizontal transverse isotropy (HTI) are too simplistic models to describe these fractured...
2016
Extended Abstract: Using Crosswell Measurements to Enhance Velocity Model Calibration for Real-Time Microseismic Monitoring
Leah J. Hogarth, Conrad Kolb, Joël Le Calvez
GCAGS Transactions
... used in microseismic monitoring. Predominantly, calibration accounts for vertical transverse isotropy (VTI), but can also account for horizontal...
2016
On the Interpretation of Subglacial Till Fabric
Stephen R. Hicock , James R. Goff , Olav B. Lian , Edward C. Little
Journal of Sedimentary Research (SEPM)
.... In this paper we offer a two-axis diagram that compares fabric modality to fabric isotropy (S3/S1) and addresses the problem of eigenvectors falling between...
1996
ABSTRACT: Eagle Ford Shale Prospecting with 3D Seismic Data within a Tectonic and Depositional System Framework; #90122 (2011)
Galen Treadgold, Bill McLain, Steven Sinclair, and David Nicklin
Search and Discovery.com
... Isotropy) and azimuthal anisotropy (HTI – Horizontal Transverse Isotropy) may help infer clay content and fracture presence. Rock property changes...
2011
Abstract: Applicability of TTI RTM to Structured Land Datasets; #90172 (2014)
Charles Ursenbach, Yan Yan
Search and Discovery.com
...-addressed by the most sophisticated land imaging in common use, namely TTI (tilted transverse isotropy) Kirchhoff prestack depth migration...
2014
Abstract: Azimuthal Processing For Unconventional Resource Plays Using An Orthorhombic Velocity Model; #90174 (2014)
Shaowu Wang and David Wilkinson
Search and Discovery.com
... Orthorhombic media is the natural extension of VTI (Vertical Transverse Isotropy) and HTI (Horizontal Transverse Isotropy) media. The moveout of P-waves...
2014