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Showing 4,240 Results. Searched 197,444 documents.
Magnetotelluric Investigation of the Pleistocene Nueces River Incised Valley, Mustang Island, Texas
Egon T. Weber, Richard Hay, James R. Garrison, Jr.
GCAGS Transactions
... anisotropy components (Lilley, 1998). The electrical impedance data for some of the soundings showed anisotropy between the shore parallel (ExHy...
2007
Joint OBN and 3D DAS-VSP data acquisition and processing in East China Sea
G. Yu, G. M. He, Z. L. Cao, H. B. Liu, J. J. Li, Y. Z. Chen, J. J. Wu, J. G. Li, X. M. Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... compensation factor, absorption attenuation factor and anisotropy parameters around the wellbore can be obtained. These parameters can be used to enhance...
2022
Australian National Ocean Bottom Seismograph Fleet Advances Conventional Exploration
Alexey Goncharov, Michal Malinowski, Dejan Sekulic, Ashby Cooper, Peter Chia, Alexander Gavrilov, Garrick Paskos
Australian Petroleum Production & Exploration Association (APPEA) Journal
... crustal section (VP < 6 km/s in the top 20 km) with the OBS velocity model being consistently faster. This can indicate possible VTI anisotropy...
2017
Moment tensor inversion of perforation shots using distributed acoustic sensing
Milad Bader, Robert G. Clapp, Biondo Biondi
International Meeting for Applied Geoscience and Energy (IMAGE)
... constructed the anisotropy parameter ε (Thomsen, 1986) by calibrating the normalized Gamma-ray using the seismic data. We could not well constrain...
2022
Pre-Stack Calibration to Well Data: Intercept & Gradient Scaling A Case Study From the Norwegian North Sea
Nguyen Nam, Larry Fink
Indonesian Petroleum Association
..., anisotropy, attenuation, and other noise, are also not discussed in this paper. Regardless of the cause, this paper provides details about how to match...
2007
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)
...) (c) Figure 1: The SEG Hess VTI model. (a) Vp velocity (ft/s);Thomsen’s anisotropy parameters (b) ε and (c) δ . The dotted lines shows the shot...
2022
Estimating Smectite Content from Seismic Data
Roman Beloborodov, Marina Pervukhina, Valeriya Shulakova, Dimitri Chagalov, Matthew Josh, Michael B. Clennell, Gavin Ward, Matthew Waugh, Juerg Hauser
Australian Petroleum Production & Exploration Association (APPEA) Journal
... physics properties of interest and elastic anisotropy. Estimate seismic wavelets from the well ties. Perform AVO inversion using linear approximation...
2019
Introducing New Powerful Methods to Analyse BHA Behaviour
M. H. Amara
Indonesian Petroleum Association
... (1974) 9) E.T. BROWN, S.J. GREEN & K.P. SINHA: "The influence of rock anisotropy on hole deviation in rotary drilling - A review" INT. J. ROCK MECH...
1984
Impact of the Stress State and the Natural Network of Fractures/Faults on the Efficiency of Hydraulic Fracturing Operations in the Goldwyer Shale Formation
Partha Pratim Mandal, Reza Rezaee, Joel Sarout
Australian Petroleum Production & Exploration Association (APPEA) Journal
... at the studied well site due to nearby tectonic activity. In fact, very limited information is available about the stress state, stress anisotropy and rock...
2020
Joint inversion of AVO and time-shift for geomechanical strain evaluation in a UKCS field
Samarth Bachkheti, Colin MacBeth
International Meeting for Applied Geoscience and Energy (IMAGE)
... amplitude changes has had little or no attention. MacBeth and Bachkheti (2021) considered the importance of including the anisotropy in P-wave reflection...
2022
Advances in Depth Imaging Technology: Rock Physics Guided Migration of Seismic Data in 3D
Nader C. Dutta, Sherman Yang, Jianchun Dai
Indonesian Petroleum Association
... in conjunction with the rock physics template to constrain the velocity field prior to tomography and migration. The basic anisotropy parameters...
2012
Tectonic Ancestry of Central Montana and its Influence on Inversion Tectonics
Lee A. Woodward
Montana Geological Society
... to be strong control by basement anisotropy. This anisotropy appears to have localized both thrust and strike-slip movement along the same trend...
1996
Elastic FWI application to a land data set in the Middle East
Anna Sedova, Olivier Leblanc, Thibaut Allemand, Gilles Lambar, Stphane Pellerin, Daniela Donno
International Meeting for Applied Geoscience and Energy (IMAGE)
... Hz. The maximum offset used for the test is 9 km. portance of including anisotropy parameters in FWI. However, we believe that diving-wave FWI...
2022
Conjugate Fracture Pairs in the Molina Member of the Wasatch Formation, Piceance Basin, Colorado: Implications for Fracture Origins and Hydrocarbon Production/Exploration
John C. Lorenz
Four Corners Geological Society
... enhancement created by sub-parallel vertical extension fractures in the underlying Mesaverde Formation, increases in stress magnitudes and anisotropy...
1999
High-frequency FWI velocity model building for hydrocarbon delineation
Lianping Zhang, Souvik Sengupta, Chirag Parekh, Robert Eliott-Lockhart
International Meeting for Applied Geoscience and Energy (IMAGE)
... velocity model after conditioning and smoothing is shown in Figure 1(a). Legacy anisotropy trend was taken to build a simple starting anisotropy field...
2022
Quantitative analysis of DAS recorded P-wave generated by perforation shots
Peiyao Li, Ge Jin
International Meeting for Applied Geoscience and Energy (IMAGE)
... shot gathers, such as the study of lateral heterogeneity and anisotropy of the targeted zone (Z. Zhang et al., 2019) and P-wave / tube wave...
2022
Calculating sensitivities for 3D inversion of electromagnetic well logging data
Cícero Régis, Paulo Roberto de Carvalho
International Meeting for Applied Geoscience and Energy (IMAGE)
.... If the region has anisotropy of the TIV kind, then there is an analytical expression for the derivative with respect to the horizontal conductivity...
2023
Sedimentological and Petrophysical Characterization of the Eocene Mirador Formation, Cupiagua Field, Llanos Basin, Colombia
C.A. Amaya, A. Ortiz, M. Martinez, N. Yepes
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... to enhanced oil recovery in some areas revealed the necessity of an improved petrophysical model to reflect the reservoir anisotropy. This approach...
2006
Value of elastic full-wavefield inversion in derisking clastic reservoirs in presence of noise
Partha Routh, Soumya Nayak, Jake Dorsett, Kaushik Banerji, Young Ho Cha, Vijay Gottumukkula, Gopal Palacharla, Vikas Gudipati, Ramesh (Neelsh) Neelamani, Seth Conway, Andrea Raphael
International Meeting for Applied Geoscience and Energy (IMAGE)
... the amplitudes of the raw shot gathers. The initial Vp and anisotropy for the eFWI inversion were provided by a conventional velocity model building process...
2023
True Hybrid 3D
Jeroen Hoogeveen, Kristen Berli, Lars Ivar Leivestad, Tor Åkermoen, Geoex MCG
GEO ExPro Magazine
... velocity model includes anisotropy and Figure 3a: Quad 35 PreSTM Fast Track stack in TWT and the Fast Track migration produces an excellent...
2021
Connecting the Dots: Microseismic-Derived Connectivity for Estimating Reservoir Volumes in Low-Permeability Reservoirs
Alexandre Hugot, Jean-Claude Dulac, Emmanuel Gringarten, Aymen Haouesse
Unconventional Resources Technology Conference (URTEC)
... of microseismic events, reservoir, and network attributes (e.g. magnitude, length of network branches, stress, anisotropy, natural fracture orientations, etc...
2015
Comparison of Magnetic Vector Inversion With Sparse Norm Susceptibility Inversion Accounting for Demagnetization
John M. Weis, Lindsey J. Heagy, Douglas W. Oldenburg
International Meeting for Applied Geoscience and Energy (IMAGE)
... for the total magnetization and makes no assumption on the cause of magnetization. Although MVI can model remanence, demagnetization, and anisotropy...
2023
An open-source toolbox to automate basin and petroleum system modeling for statistical analysis and uncertainty quantification
Mustafa A. Al Ibrahim
International Meeting for Applied Geoscience and Energy (IMAGE)
... in m2, 𝐹 is a scaling factor, 𝑆 is the specific surface area in m2/m3, and 𝜙′ is as defined in Equation 3 with porosity 𝜙. Permeability anisotropy...
2023
Evaluation of In-Situ Stress Environment in the Utica Play and Implications on Completion Design and Well Performance
Bertoncello Antoine, Brigaud Frederic
Unconventional Resources Technology Conference (URTEC)
... properties anisotropy is also not considered. Lastly, the Biot coefficient is assumed constant in our work, which may not be the case with changing lithology...
2016
Three Dimensional Reservoir Geomodeling For Reserve Calculation And Prospect Development Using Petrophysical Analysis Integration At DNF Field, South Sumatera Basin
Fitriana Aprilia, M. Zahri Firmansyah
Indonesian Petroleum Association
... between these pairs. Figure 5 shows a typical variogram. Aiming at assigned 3D-grid sample points, a variogram is built to reflect the anisotropy...
2014