Zobrazeno 1 - 10 of 47 pro vyhledávání: '"Randall L. Mackie"'
1
Reexamination of controlled-source electromagnetic inversion at the Lona prospect, Orphan Basin, Canada
Autor: Randall L. Mackie, G. Michael Hoversten, Yong Hua
Publikováno v: GEOPHYSICS. 86:E157-E170
In 2010, an exploration well was drilled at the Lona prospect in the Orphan Basin, Canada, whose location was based primarily on a structural high at the base of a Cretaceous unconformity. Additionally, a 3D inversion of controlled-source electromagn
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fd7bff6864e4ec6236df741abc79e1ef
https://doi.org/10.1190/geo2020-0538.1
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2
Seismic image-guided 3D inversion of marine controlled-source electromagnetic and magnetotelluric data
Autor: Roger V. Miller, Randall L. Mackie, Ahmad Shahir Saleh, Max A. Meju, Federico Miorelli, Carsten Scholl
Publikováno v: Interpretation. 8:SS1-SS13
Geologic interpretation of resistivity models from marine controlled-source electromagnetic (CSEM) and magnetotelluric (MT) data for hydrocarbon exploration and reservoir monitoring can be problematic due to structural complexity and low-resistivity
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1f2879eaf3aee688121fd23ccd753a27
https://doi.org/10.1190/int-2019-0266.1
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3
Using finite dipole lengths in complete earth 3D MT modelling
Autor: Federico Miorelli, Wolfgang Soyer, Randall L. Mackie
Publikováno v: ASEG Extended Abstracts. 2019:1-4
We have quantified the use of finite electric dipole lengths from the point measurement assumptions typical in 3D MT inversion modeling. Electric fields are measured across dipoles of typically 50 ...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fd241ce49a300bf57a95ea9341e548ff
https://doi.org/10.1080/22020586.2019.12073129
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4
Structurally tailored 3D anisotropic controlled-source electromagnetic resistivity inversion with cross-gradient criterion and simultaneous model calibration
Autor: Randall L. Mackie, Max A. Meju, Ahmad Shahir Saleh, Federico Miorelli, Roger V. Miller
Publikováno v: GEOPHYSICS. 84:E387-E402
Geologic interpretation of 3D anisotropic resistivity models from conventional marine controlled-source electromagnetic (CSEM) data inversion faces difficulties in low-resistivity contrast sediments and structurally complex environments that typify t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0383c9fd71846cd594fd8f6fa11535f2
https://doi.org/10.1190/geo2018-0639.1
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5
Comparative Analysis and Joint Inversion of MT and ZTEM Data
Autor: Wolfgang Soyer, Randall L. Mackie
Publikováno v: ASEG Extended Abstracts. 2018:1-7
Ground Magnetotelluric (MT) data acquired today are typically broadband, covering 0.001 to >1000 Hz with inter-site spacing typically at 500 to 1000 m. Airborne Z-axis tipper data (ZTEM) are sampled at higher spatial density but usually band-limited
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7026eba5df1bf1fbb9b9629c1552b528
https://doi.org/10.1071/aseg2018abt5_2f
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8
3D Inversion Modeling of Natural and Controlled Source EM in Complex Terrain
Autor: Federico Miorelli, V. Schifano, Wolfgang Soyer, S. Hallinan, Randall L. Mackie
Publikováno v: NSG2020 3rd Conference on Geophysics for Mineral Exploration and Mining.
Summary Controlled source, grounded electrode EM surveys have a long and successful history in mineral exploration geophysics, where the most commonly deployed configuration is CSAMT, which uses single, fixed, kilometre-long transmitter dipoles (e.g.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f8bdba047a2af0b5ec4a1db58f091d1f
https://doi.org/10.3997/2214-4609.202020208
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9
3D MT and Gravity Joint Inversion Modeling of Graben-Hosted High Temperature Geothermal Fields
Autor: Randall L. Mackie, Haris Siagian, Federico Miorelli, S. Hallinan, Wolfgang Soyer
Publikováno v: 1st Geoscience & Engineering in Energy Transition Conference.
Summary Following from our recent work on joint inversion of MT, gravity, and MEQ data from the Darajat field ( Soyer et al, 2018 ), here we illustrate the pros and cons of quantitative integration of MT and gravity data through 3D joint inversion mo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b86984cb3e5d1f82fbdb6839cdaadb29
https://doi.org/10.3997/2214-4609.202021061
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10
Delineating Geothermal Structure from 3D Joint Inversion of MT and Gravity Data
Autor: S. Hallinan, Randall L. Mackie, Wolfgang Soyer, Federico Miorelli, A. Pavesi
Publikováno v: EAGE 2020 Annual Conference & Exhibition Online.
Summary We have implemented 3D faults as discontinuity surfaces, of finite extent, in the regularization step of our non-linear inversion engine (RLM-3D), for both single domain and cross-gradient joint inversion cases, and applied this for geotherma
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2266a3d75b35c5b0c94283812cb09127
https://doi.org/10.3997/2214-4609.202011689
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