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Showing 4,390 Results. Searched 200,693 documents.
Simulation and Mapping of Space-Dependent Data in Geology
Michel Dagbert
CSPG Bulletin
... is in accordance with the anisotropy found on the variograms of normalized data. One can also notice some unexpected protuberances generated in areas...
1981
Seismic imaging in Tarim Basin: Overcoming complex near-surface conditions
Xianhuai Zhu, Ruirui Zhao, Sam Gray, Wensheng Duan, Duoming Zheng, Ganglin Lei, Gengxin Peng, Rujie Zhang, Kun Xu, Grace Yan, Junru Jiao
International Meeting for Applied Geoscience and Energy (IMAGE)
... to refine the turning-ray tomography model with anisotropy in an iterative loop. The advantages of using joint tomography are illustrated in Figure 4...
2024
Structure of Albertite from New Brunswick, Canada
Ganjavar Khavari-Khorasani
CSPG Bulletin
... and Resources, Ottawa, Canada, p. 79. Patrick, J. W., Reynolds, M. J. and Shaw, F. H. 1973. Development of optical anisotropy in vitrains during carbonization...
1983
Elastic reverse time migration with more than pressure data
Denes Vigh, James Xu, Xin Cheng, Zongcai Feng, Bing Bai
International Meeting for Applied Geoscience and Energy (IMAGE)
...) exploited an imaging condition to use all three components of the shear (S) wavefield once to produce a unique image. The anisotropy introduction to the mode...
2024
Characterization of Seismic Anomalies using Converted Waves: A Case History from East Natuna Basin
Lotfi Ben-Brahim, Ronan Petton, Michel Couderc, Agus Djamhoer
Indonesian Petroleum Association
... the same plane as the receiver line and most of the shear energy is expected in the inline direction (X) although through azimuthal anisotropy (Van Dok...
2000
Uncertainty analysis of full-waveform velocity inversion
Kai Yao, Han Yin, Lian Duan, Yu Zhang, Feng Chen, Huili He, Mourad Khdhaouria, Lamia Rouis
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Seismic modeling: Generate pressure data ๐ using current models (e.g. velocity ๐ฃ density ๐ anisotropy parameters ๐ ๐ฟ and structure orientation...
2024
Improving reservoir imaging with FWI: A case study in the Columbus Basin, offshore Trinidad
Xiaolei Song, Simon Luo, Hu Jin, Imtiaz Ahmed, Akkel Paul, Nirala Boodoo, Ganyuan Xia, Sean Cardinez, Rodney Johnston
International Meeting for Applied Geoscience and Energy (IMAGE)
... fault network and introduce strong anisotropy to seismic data. Gas accumulated next to the fault forms gas clouds and impairs the illumination...
2024
Research and application of diffraction imaging based on the full-azimuth angle migration
Shengtao Zang, Xingrong Xu, Zhe Yang, Yanxiang Wang, Jiaqing Sun
International Meeting for Applied Geoscience and Energy (IMAGE)
... to the influence of anisotropy, and there is no significant difference between the energies of different azimuth with the change of the dip, as shown in Figure 2...
2024
Enhanced ray-based tomography method
Jonathan Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... analysis: Geophysics, 62, 1238โ1249, doi: https://doi.org/10.1190/1.1444225. Mothi, S., and R. Kumar, 2014, Detecting and estimating anisotropy errors...
2024
Assessing the influence of shale concentration on dielectric permittivity using frequency-dependent coaxial probe measurements
Domenico Maria Crisafulli, Carlos Torres-Verdรญn
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Josh, M., B. Clennell, and M. Cauchefert, 2016, Dielectric permittivity and anisotropy of intact multi-saturated organic shales: Presented at the 57th...
2024
Fast and Reliable Estimates of Low Permeabilities by the Full-Immersion Pressure-Pulse Decay
Michael J. Hannon Jr.
Unconventional Resources Technology Conference (URTEC)
... Bhandari, P.B. Flemings, P.J. Polito, M.B. Cronin, and S.L. Bryant. Anisotropy and stress dependence of permeability in the Barnett Shale. Transport...
2017
Improved channel imaging using full-waveform inversion for deepwater Lingshui giant gas reservoir in South China Sea
Tao Wu, Dun Deng, Zijing Gong, Jie Cui, Rong Li, Lianlian Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... the channelrelated high-velocity trend for the sediment zone. The legacy anisotropy trend is used to build a simple TTI anisotropic model for FWI...
2024
3D CSEM acquisition and inversion for appraisal of deepwater gas field
Jun Cai, Friedrich Roth, Claudia Twarz, Shenghui Li, Elias Andre Nerland, Juan-Mauricio Florez-Niรฑo, Marjorie Nogueira, David Lippett, Kerry Nicholas, Sholan Ramnath
International Meeting for Applied Geoscience and Energy (IMAGE)
... zero dip (VTI anisotropy) leads to imaging artifacts, which directly equate to risk of misinterpretation. A unique feature of our TTI inversion...
2024
Fracture Systems of Mars
E. L. Harp
Utah Geological Association
... was not subjected to the development of a structural anisotropy prior to volcanism and uplift, a more truly radial pattern would be expected about...
1974
Mapping Un-Explored Resistive Geo-Bodies Using 3D CSEM Technology: A Case Study of CSEM Geo-Body Characterization from Rapak-Ganal Area in Kutai Basin, Makassar Strait, Indonesia
Ritesh Mohan Joshi, Sibam Chakraborty, Robert Dilindi Ibinga, Ann-Marie Kimberley William, Lina Lutnes Uri
Indonesian Petroleum Association
... account for 3D effects and to map anisotropy. The start model for the CSEM inversion had a linearly increasing resistivity with depth. This start model...
2016
Heat Flow in Azerbaydzhan
G. M. Sukharev, Yu. K. Taranukha, S. P. Vlasova
Petroleum Geology: A Digest of Russian Literature
... are due probably to thermal anisotropy of the rocks, and neotectonic and other processes. Vertical migration of fluids is important here. What causes...
1973
Integrating Microseismic and Geomechanics to Interpret Hydraulic Fracture Growth
Dan Kahn, Jon Roberts, Jamie Rich
Unconventional Resources Technology Conference (URTEC)
... and processed for anisotropic mechanical properties using a TIV anisotropy model. This model was then calibrated using the mechanical earth model process...
2017
Geosteering with Azimuthal Resistivity to Resolve Geological Misinterpretation in Thin Horizontal Reservoir
Patricia Augie, Aris Kurniawan
Indonesian Petroleum Association
... the purpose mentioned above azimuthal resistivity can also be used to determine the direction of rock fractures and anisotropy. Geosteering Challenges...
2017
Development of the Stacked Pay in the Delaware Basin, Permian Basin
Farhan Alimahomed, Raj Malpani, Rohann Jose, Cyrille Defeu, Edgar Ignacio Velez Arteaga, Elia Haddad
Unconventional Resources Technology Conference (URTEC)
... injection tests, closure pressure, fluid efficiency 1D Mechanical Earth Model (MEM) Considering Layered Anisotropy A 1D mechanical earth model (1D MEM...
2018
Time-lapse processing and imaging of the Snowflake 3D DAS VSP CO2 monitoring dataset
Xiaohui Cai, Kristopher A. Innanen, Qi Hu, Ziguang Su, Donald C. Lawton
International Meeting for Applied Geoscience and Energy (IMAGE)
... assist in migration aperture and anisotropy analysis, enhancing understanding of complex geological formations. our DAS technology, utilizing fiber...
2024
Unveiling and Imaging Karst Through Refined Wavefield Separation
Riaz Alai, M Afiq B Mokhtar, Yonghe Guo, Pongga Wardaya, Jun Wang , Rizki Krishna Pratama, Haryono Haryanto
Indonesian Petroleum Association
... and refraction full waveform. Exhausting all efforts of detailed velocity determination and accurate anisotropy workflows has removed sagging effects. Further...
2018
Integrated Study of Down-Hole Water Sink Technology to Water Coning Development in Thin Layers
Irfan Saputra Pratama, Moh Dikin Adiwena
Indonesian Petroleum Association
... permeability barriers between layers and permeability variations laterally near the well. In parallel, anisotropy was added to combine vertical representation...
2018
3-D Geologic Model of a Fractured Carbonate Reservoir, Norman Wells Field, NWT, Canada
Lyndon A. Yose, Thorston Eiben, Steven Brown, Gary S. Kompanik, Timothy L. Davis, Susanne R. Maxwell
CSPG Bulletin
..., densities) measured from core, image logs and outcrop data were used to quantify fracture geometries and the resultant flow anisotropy (directional...
2001
Sedimentologic, Diagenetic and Tectonic Evolution of the Saint-Flavien Gas Reservoir at the Structural Front of the Quebec Appalachians
Rudolf Bertrand, Andre Chagnon and Michel Malo, Yves Duchaine, Denis Lavoie and Martine M. Savard
CSPG Bulletin
...; nearly isotropic migrabitumen; migrabitumen showing a waving anisotropy; and migrabitumen with mosaic, palisades, spherulites, ribbons, and flow...
2003
Impact of Pore Pressure on Modeled Hydraulic Fracture Geometry and Well Spacing in the East Duvernay Shale Basin, Canada
Farhan Alimahomed, Eric Wigger, Matthew Drouillard, Gabriel Garcia Rosas, Christen Kolbeck
Unconventional Resources Technology Conference (URTEC)
... kPa/m depending on lithology resulting in an average stress anisotropy of 14 โ 20% as shown in track 3. The magnitude of horizontal stresses...
2019