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The AAPG/Datapages Combined Publications Database
Showing 2,797 Results. Searched 200,616 documents.
A New Log: The Induction-Electrical Log Combination
C. A. Doh , M. P. Tixier
GCAGS Transactions
... were often lower than the ones given by conventional curves. Shales are generally anisotropic formations, not only because of their microscopic...
1957
GeoStreamer X Delivers Near-Field Multi-Azimuth Dataset for Accurate Lead Characterisation, South Viking Graben, Norway
Cyrille Reiser, Eric Mueller, PGS
GEO ExPro Magazine
...-azimuth time misalignment correction and the estimation of the isotropic / anisotropic gradient and intercept. One of the main outcomes of this targeted...
2021
Life Isnt Perfect: The Petrophysical Difficulties of Modeling the Permian
Tyler Croft, Aidan Blount, Adam McMullen, Sarah Warneke, Melanie Durand, Brian Driskill
Unconventional Resources Technology Conference (URTEC)
... al., 2017). Figure 6 is a resistivity inversion for four different hypothetical cases of isotropic carbonate and anisotropic shale with bed thicknesses...
2018
Unlocking Value from Vintage Seismic Processing - Pre-stack Conditioning and Inversion in the Eagle Ford Shale
Andrew Munoz, Bill Shea
Unconventional Resources Technology Conference (URTEC)
... anisotropic assumptions are used when estimating moveout velocities, and since the 2012 processing did not use an anisotropic velocity model...
2020
A Regional Velocity Cube for Depth Conversion on the Northwest Shelf
Maighréad Ní Dheasúna, Mark Ballesteros, James Leven
Petroleum Exploration Society of Australia (PESA)
... this hiQbe'M velocity cube, data, and ca n also provide useful indications moveout, and to effectively stack reflection and illustrates some...
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
... ratio and usable bandwidth in the point-receiver data compared to that in the conventional data. The ability of statics correction before digital-group...
2013
Integration of Microseismic Data and an Unconventional Fracture Modeling Tool to Generate the Hydraulically Induced Fracture Network: A Case Study From the Cardium Formation, West Central Alberta, Canada
Xin Yu, Jim Rutledge, Scott Leaney, Jianchun Sun, Piyush Pankaj, Xiaowei Weng, Hitoshi Onda, Michael Donovan, Jacob Nielsen, John Duhault
Unconventional Resources Technology Conference (URTEC)
... constraint. A plane in a 3D Cartesian space can be uniquely defined by its unit normal vector (defined by azimuth 𝜑 and dip 𝜃) and the distance...
2015
Integrated workflow for characterization of CO2 subsurface storage sites
Nomie Pernin, Cyrille Reiser, Eric Mueller
International Meeting for Applied Geoscience and Energy (IMAGE)
... went through an advanced depth imaging workflow using anisotropic velocity model building and Kirchhoff depth migration including compensation for earth...
2022
A fast sweeping method based on coordinate transformation for eikonal equation on unstructured triangular meshes
Xin Chen, Danping Cao, Xin Fu
International Meeting for Applied Geoscience and Energy (IMAGE)
... as a necessary correction term, obtainable by solving the factored eikonal equation. The FD method employed in our new local solver can be effectively...
2024
ABSTRACT: Estimation of Net-to-Gross from P and S Impedance: Integration of Petrophysics and 3D Seismic Inversion; #90007 (2002)
Vernik, Lev, David Fisher, Steve Bahret
Search and Discovery.com
... in shaledominated intervals in the straight holes prompted velocity anisotropy measurements on core samples. Anisotropic effective media modeling...
Unknown
Shale Reservoirs: Improved Production from Stimulation of Sweet Spots; #41355 (2014)
Khaled H. Hashmy and Ashok Bhatnagar
Search and Discovery.com
... Azimuthal Sonic in horizontal wells provides compressional and shear slowness in the vertical and horizontal directions, and as is common in anisotropic...
2014
Fracture reservoir prediction method based on AVO disturbance variance
Guangrui Xiao, Yao Li, Yuru Zhang, Dekui Xu
International Meeting for Applied Geoscience and Energy (IMAGE)
... metamorphic granite buried hill in Bohai Oilfield. This method is based on the theory of fracture equivalent anisotropic medium, which utilizes the AVO...
2022
A decoupled orthotropic anisotropy modeling method and its application
Wang Lei, Liang Jiandong, Xuan Ruiqing, Li Daoshan, Zhu Jinping, Hao Xiaoguang
International Meeting for Applied Geoscience and Energy (IMAGE)
... parameters, and are t direction o the axis of sy ymmetry (usua ally the dip of the layers). U f Using depth-dom main TTI anisotropic migrat tion...
2023
Abstracts: Microseismic Source Inversion in Anisotropic Media; #90173 (2015)
Scott Leaney, Chris Chapman, and Tadeusz Ulrych
Search and Discovery.com
... decomposition. Strike=red, dip=green, rake=magenta. In the anisotropic layer the angles are in error from the traditional moment tensor but correctly...
2015
An Interpreters Guide to Successful Prestack Depth Imaging; #41544 (2015)
Rob A. Holt
Search and Discovery.com
... imaging as a means of economy in an area known to be anisotropic may not yield a fit-for-purpose result. Also, delays in providing access to information...
2015
Integrated Analysis of Acoustic Images and Shear Wave Anisotropy Used for Geomechanical Modelling in a Tight Sand Oil Reservoir
Saikat Das, Viet Hoang Nguyen, Sadegh Asadi, Naveen Nathesan, Ahsan Jamil, Hilarion Milan, Ashvin Avalani Chandrakant, Fairuz Azwardy Salleh
Unconventional Resources Technology Conference (URTEC)
... and configuration of cross-dipole logging in an azimuthally anisotropic formation. The tool acquires four array data sets: XX, YY, XY, and YX, which...
2021
ABSTRACT: MICROSTRUCTURAL AND TEXTURAL EVOLUTION OF VITREOUS CARBON DURING THE PYROGENATION PROCESS
Cornelia Panaitescu, Maria Paraschiv
The Society for Organic Petrology (TSOP)
... the degassing pores or cracks (Figure 1a), and small anisotropic inclusions (Figures 1b and 1c). Some of these pyrocarbon types show an incipient...
2004
Modelling pure qP-wave in attenuative VTI media using fractional viscoacoustic wave equation
Shanshan Zhang, Kun Tian, Ning Qin, Yanguang Wang, Changbo Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... anisotropic effects in seismic velocity and attenuation, even for strong attenuative and anisotropic media. In addition, the proposed equation can...
2024
Abstract: Simple Models for the Stress-Dependence of Anisotropic Seismic Velocities in Fractured Rock, by Richard L. Gibson, Jr. and Kai Gao; #120034 (2012)
Search and Discovery.com
2012
Abstract: P-wave AVAz Modeling: A Haynesville Case Study; #90224 (2015)
Jon Downton
Search and Discovery.com
... and dealing with the anisotropic model needed for these synthetics. This paper demonstrates a practical methodology to create a layered anisotropic model...
2015
Incorporation of Geology, Wells, Rock Physics into Anisotropy Estimation for Seismic Depth Imaging Enables True Earth Model, #40862 (2012)
Huyen Bui, Peck Hwa David Ng, Jenny Zhou, Chih-Wen Kue, Martiris Smith
Search and Discovery.com
... velocity was wrong, seismic anisotropic functions (Thomsen’s delta and epsilon) were wrong in a vertical transverse isotropic (VTI) case. In fact...
2012
Seismic Technology Evolution to Support Prospect Evaluation, Exploration Well, and Geological Appraisal
Frederic J. Billette, Yan Quist
GCAGS Transactions
... elimination), from vertical update to 3D Tomography, and on to a complete subsalt velocity estimation sequence, isotropic to anisotropic imaging and from...
2011
Abstract: Seismic velocities of crustal samples from the Torngat Peninsula and Nain: ECSOOT'96
Angie Muzzatti
Atlantic Geology
... and 6.7 km/s, and Vs between 3.5 and 3.7 km/s, while mafic samples have Vpbetween6.7and 7.0 km/sand Vsbetween3.7 and4.0 km/s. Anisotropic samples were...
1997
ABSTRACT: Petrographic Evidence for Forced Maturation of Kerogen and Bitumen in Hydrothermal Dolomite from Middle Devonian Slave Point Formation North-Eastern British Columbia, Canada.
Julito C. Reyes, Graham R. Davies, Lavern D. Stasiuk
The Society for Organic Petrology (TSOP)
... and %Romin), max anisotropic pyrobitumen. The optical microtextural properties of the pyrobitumen range from isotropic to anisotropic fine to coarse...
2009