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Keywords: electrical conductivity
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Proceedings Papers
Assessment of uncertainty in parametric inversion of electromagnetic field data to determine propped hydraulic fracture geometry – a semi quantitative approach
Available to PurchaseSouvik Mukherjee, Wadhah Al-Tailji, Terry Palisch, Kyle Haustveit, Christoph Schwarzbach, Eldad Haber, Wanjie Feng, Scott Urquhart
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215139
... geophysical inversion annual meeting semi quantitative approach annual international meeting upstream oil & gas proppant electrical conductivity complex reservoir electromagnetic field data inversion reservoir characterization hydraulic fracture geometry fracture geometry parametric inversion...
Proceedings Papers
Calibration, inversion and applications of multi-configuration EMI for agricultural top- and subsoil characterization
Available to PurchaseJan van der Kruk, Christian von Hebel, Cosimo Brogi, Manuela Sarah Kaufmann, Xihe Tan, Lutz Weihermüller, Johan Alexander Huisman, Harry Vereecken, Achim Mester
Publisher: Society of Exploration Geophysicists
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2965257
.... Current EMI systems can be easily coupled with high-precision positioning systems, and by using Transmitter-Receiver (Tx-Rx) separations ranging from 0.3 m up to 4 m, multiple apparent electrical conductivity values can be measured for different but overlapping soil volumes. The measured data can be used...
Proceedings Papers
3D DC resistivity modeling of complex fracture networks
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2974851
... annual meeting connectivity modeling weiss electrical conductivity complex fracture network References References Bear , J. , C. F. Tsang , and G. De Marsily , 2012 , Flow and contaminant transport in fractured rock : Academic Press . Beskardes , G. D...
Proceedings Papers
Integrated imaging of above and below ground properties and their interactions: A case study in East River Watershed, Colorado
Available to PurchaseNicola Falco, Baptiste Dafflon, Haruko Wainwright, Emmanuel Leger, Caitlin Haedrich, John Peterson, Kenneth Williams, Susan Hubbard
Publisher: Society of Exploration Geophysicists
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998456
..., and subsurface properties. Presentation Date: Wednesday, October 17, 2018 Start Time: 1:50:00 PM Location: 204A (Anaheim Convention Center) Presentation Type: Oral peterson plant community electrical conductivity colorado interaction soil ec case study seg international exposition plant...
Proceedings Papers
Accurate and efficient integration of geophysical and hydraulic data at the subregional scale through Bayesian sequential simulation with log-linear pooling
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17750544
... simulation electrical conductivity geophysical data seg seg international exposition conductivity hydraulic data References References Allard , D. , A. Comunian , and P. Renard , 2012 , Probability aggregation methods in geoscience : Mathematical Geosciences , 44...
Proceedings Papers
Expedited produced water delineation with electromagnetics and direct push technologies
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17746017
... ABSTRACT Geophysics has long been used effectively to detect and delineate the presence of electrically conductive fluids such as landfill leachate, industrial wastes such as plating solutions, seawater and produced water (e.g., Hoekstra, 1998, Goldstein et al., 1990, and Ross et al., 1990...
Proceedings Papers
The analysis of temperature, pressure, salinity, and saturation effects on the electrical conductivity of soaked sandstone for geothermal exploration
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13956920
... ABSTRACT A sound knowledge of geophysical response of rocks at high temperatures is essential for modelling geothermal problems such as reservoir properties. Thus we present laboratory measurements of the electrical conductivity of soaked sandstone samples. The goal of the research...
Proceedings Papers
IP Effects on Time-Domain Electromagnetic Responses of Deep-Sea Hydrothermal Deposits
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5825918
... are well suited to submersible-based surveys. Since electrical conductivity of subseafloor materials can be frequency dependent, these induced polarization (IP) effects may affect the reliability of TDEM data interpretation. In this paper, we investigate IP effects on TDEM responses of deep-sea...
Proceedings Papers
Time-Lapse Three-Dimensional Electromagnetic Inversion of Growth-Impeded SAGD Steam Chambers
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5909921
... understanding of the reservoir, decreasing the steam-to-oil ratio, locating missed pay, identifying thief zones, and more efficiently using resources (Singhai and Card, 1988). Because the electrical conductivity of a lithologic unit is affected by steaming, electric and electromagnetic methods are promising...
Proceedings Papers
Modelling Electromagnetic Problems in the Presence of Cased Wells
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5931035
... Summary Electrical conductivity can be a diagnostic physical property for distinguishing geologic units and delineating the distribution of fluids such as hydrocarbons and saline water within these units. Electromagnetic (EM) methods are sensitive to conductivity contrasts and can be used...
Proceedings Papers
Structural Constraints in Joint Inversion of Seismic And EM Data: Analysis and Visualization
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-0918
... Summary Structurally coupled joint inversion of seismic and electromagnetic data is a good candidate for recovering subsurface earth properties if the direction of change of electrical conductivity and acoustic impedance are systematically linked throughout a volume of earth. For example...
Proceedings Papers
Numerical Upscaling of Electrical Conductivity: A Problem Specific Approach to Generate Coarse-Scale Models
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-1488
... Summary In this work we propose a new approach for the upscaling problem of electrical conductivity in the context of electromagnetic methods. We pose the upscaling problem as a parameter estimation problem, which allow us to develop a goal-oriented, quantitative framework that combines...
Proceedings Papers
Parametrized Inversion Framework for Proppant Volume in a Hydraulically Fractured Reservoir
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-1639
...). An electrically conductive proppant could create a significant physical property contrast between the propped region of the reservoir and the host rock. Electromagnetic geophysical methods can be used to image this property (Heagy and Oldenburg, 2013). However, traditional geophysical inversions are poorly...
Proceedings Papers
Electrical vs. Hydraulic Rock Types in Clastic Reservoirs: Pore-Scale Understanding Verified With Field Observations in the Gulf of Mexico, U.S.
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0047
... Summary This paper compares the theoretical models of electrical conductivity and hydraulic conductivity of a pore network system to assess whether resistivity logs are sensitive to hydraulic rock types. Pore-scale modeling work suggests that both electrical conductivity and hydraulic...
Proceedings Papers
Monitoring Tracers With Time-Lapse Electrical Methods: Issues With Reactions and Surface Conductance
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-1345
... reactive processes, such as ion exchange, thus changing the aqueous composition of the system, and consequently the fluid and bulk electrical conductivity. As a result, the measured electrical conductivity may not only reflect solely solute transport but also reactive processes. Here, we evaluate...
Proceedings Papers
Study Geophysical Response of Middle East Carbonate Reservoir Using Computational Rock Physics Approach
Available to PurchaseXin Zhan, Shawn M. Fullmer, Chih-ping Lu, Stephen E. Kaczmarek, Christopher E. Harris, Alex Martinez
Publisher: Society of Exploration Geophysicists
Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-1137
... assumption of pore geometry, we adopt computational rock physics approach in this study. Multi-resolution µCT images are taken for carbonate cores belonging to different facies from middle east carbonate reservoir. Electrical conductivity and elastic properties (Vp, Vs) are computed on 3D rock micro...
Proceedings Papers
Electrical Conductivity of Fractured Media: A Computational Study of the Self-Consistent Method
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-1026
... to a remarkable degree. equation numerical result electrical conductivity approximation upstream oil & gas fractured media torquato effective conductivity complex reservoir conductivity percolation threshold jakobsen orientation aperture hydraulic fracturing self-consistent method...
Proceedings Papers
A Non-linear Bayesian Approach For Upscaling Local-scale Hydraulic Conductivity Measurements Based On Local- And Regional-scale Geophysical Data
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-1348
... measurements of the hydraulic and electrical conductivities. Finally, the overall viability of this upscaling approach is tested and verified by performing and comparing flow and transport simulation through the original and the upscaled hydraulic conductivity fields. Our results indicate that the proposed...
Proceedings Papers
Surface Charge of Calcite And Its Influence On the Electrical Conductivity In Chalk.
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the 2010 SEG Annual Meeting, October 17–22, 2010
Paper Number: SEG-2010-2686
... that the North Chalk has excess conductivity and that a part of this is contributed by the calcite surface in addition to excess conductivity due to clay. Introduction Electrical conductivity in reservoir rocks provides us with information on hydrocarbon saturation (Archie, 1942) because hydrocarbons...
Proceedings Papers
Elastic And Resistivity Anisotropy of Compacting Shale: Joint Effective Medium Modeling And Field Observations
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the 2010 SEG Annual Meeting, October 17–22, 2010
Paper Number: SEG-2010-2580
... not only isotropic quantities associated with propagation of EM wave in the formation, but also to invert for the full electrical conductivity tensor. As the conductivity in shale also depends on the microstructure of the sediments, joint analysis of both resistivity and elastic anisotropy may provide...
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