...Surface geometry inversion of Preston Lake transient electromagnetic data Xushan Lu , Colin G. Farquharson, Department of Earth Sciences, Memorial University of Newfoundland; Peter Lelièvre, Department of Mathematics and Computer Science, Mount Allison University; Grant Harrison, Jean-Marc Miehé...

...Surface geometry inversion of time-domain EM data Xushan Lu , Peter Lelièvre, and Colin G. Farquharson, Department of Earth Sciences, Memorial University of Newfoundland SUMMARY optimization algorithm and the physical properties are xed during the inversion. The method is essentially inverting...

... exploration geophysicist 10 fe solution artificial intelligence meshfree method farquharson numerical solution numerical method meshfree technique seg international exposition earth model reservoir characterization unstructured point jianbo long subsurface conductivity model equation Meshfree...

... geophysical electromagnetic data deposit seg international exposition jahandari upstream oil & gas electromagnetic data e-field method mesh reservoir characterization geophysics finite-volume time-domain modeling conductor athabasca basin farquharson unstructured grid modeling software...

... international exposition wire source meshfree method source point farquharson discretization em data meshfree discretization conductivity model imag upstream oil & gas annual meeting equation interpolation reservoir characterization source function machine learning integration linear...

...: Oral electromagnetic response ore body upstream oil & gas reservoir characterization fetd analytic solution electromagnetic method grounded-wire source transient electromagnetic method relative error seg international exposition geophysics configuration farquharson waveform...

... Basin. Presentation Date: Thursday, October 18, 2018 Start Time: 8:30:00 AM Location: 213B (Anaheim Convention Center) Presentation Type: Oral uranium deposit farquharson field data upstream oil & gas jahandari tx-rx pair reservoir characterization electric field survey line...

... reservoir characterization solver forward solver real topography finite-element time-domain forward solver modeling farquharson electromagnetic field ovoid zone impulse response seg seg international exposition Amestoy , P. R. , A. Guermouche , J. Y. L'Excellent...

...Three-dimensional vector finite element electromagnetic forward modelling for large loop sources with complex shapes Jianhui Li, Institute of Geophysics and Geomatics, China University of Geosciences; Colin G. Farquharson, Department of Earth Sciences, Memorial University of Newfoundland Summary...

... and reproduces the synthetic data very well. Presentation Date: Thursday, October 20, 2016 Start Time: 10:10:00 AM Location: 141 Presentation Type: ORAL equation iteration magnetotelluric data algorithm solver farquharson matrix observation point grid artificial intelligence model structure...

... Presentation Type: ORAL graphitic fault zone seg seg international exposition refinement conductor athabasca basin geophysics mesh fault zone areva resource canada inc electromagnetic data farquharson uranium deposit annual meeting canada reservoir characterization upstream oil & gas...

... surface interpretation inversion seg seg international exposition wireframe surface artificial intelligence rock unit canada butler cocagne subbasin machine learning farquharson evangelato gravity data new brunswick Ansari , S. , and C. Farquharson , 2013 , Numerical...

... ABSTRACT Synthetic marine CSEM data are presented here for a marine reservoir model based on an oil field located on Canada’s East Coast. CSEM simulations were performed using the finite-element forward code of Ansari and Farquharson (2014) on unstructured tetrahedral meshes. Unstructured...

...), the finite-element studies by Badea et al. (2001), Mitsuhata and Uchida (2004), Puzyrev et al. (2013) and Ansari and Farquharson (2014), and the finite-difference works by Druskin et al. (1999), LaBrecque (1999) and Newman and Alumbaugh (2002). Haber et al. (2000) and Haber et al. (2002) use the finite...

...3D potential field inversion for wireframe surface geometry Peter G. Lelie`vre and Colin G. Farquharson, Memorial University of Newfoundland; Rodrigo Bijani, Observato´rio Nacional SUMMARY Geologists interpretations about the Earth typically involve distinct rock units with contacts between them...

..., computational efficiencies and interpretation abilities (e.g., Sugeng, 1998, Badea et al., 2001, Um et al., 2013, and Ansari and Farquharson, 2014, to name but a few). In terms of guaranteeing the approximate vector field behaviours the use of vectorial Nßdélec functions (e.g., Nédélec, 1980), namely edge...

... deposit operator farquharson matrix Summary With recent advances in technology, geophysicists are able to acquire large-scale airborne gravity gradiometry data sets for oil and gas, and mineral exploration. The inversion of these data are advantageous by giving the interpreter a 3D model...

... a priori structural surfaces. We discuss the forward modeling algorithm, discretization of the model objective function, and illustrate the performance using a synthetic salt example. farquharson geophysical inversion gravity data reservoir characterization triangular facet constraint...

... of the electric field and current density are investigated for two examples for which a grounded wire and a magnetic dipole are used as the EM sources. seg houston 2013 modeling brine geophysics equation graphite cube finite-element method farquharson galvanic part upstream oil & gas reservoir...

... in halfspaces that contain anomalous bodies. The results show good agreement with those from the literature and analytical solutions. seg houston 2013 observation profile reservoir simulation halfspace source-receiver pair farquharson voronoï finite-volume solution reservoir characterization...