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Keywords: marine csem data
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Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997574
... finite-element method (EB-FEM), and adopt conjugate gradient method to solve the Gauss-Newton inversion equation. The final model update is searched by a linear algorithm. We test our inversion code on synthetic marine CSEM data generated from a reservoir model with complex seabed topography...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13858558
... International , 185 , 622 – 636 , 10.1111/j.1365-246X.2011.04974.x . Lu , X. , and C. Xia , 2007 , Understanding anisotropy in marine CSEM data : 77th Annual International Meeting, SEG, Expanded Abstracts , 633 – 637 , 10.1190/1.2792498 . Maaø , F. A. , 2007...
Proceedings Papers

Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-1439
... reservoir simulation Artificial Intelligence Upstream Oil & Gas Reservoir Characterization history matching Bayesian Inference Scarborough gas field rj-mcmc inversion noise correlated error marine csem data hierarchical bayesian inversion horizontal line probability correlation seg...
Proceedings Papers

Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0083
... resistivity of the background media, but not to resolving thin horizontal resistors. As a result, the resolution of marine CSEM data to reservoirs is lower in anisotropic media than for the isotropic case, unless some possible relation between the two resistivities is accounted for in anisotropic inversion...
Proceedings Papers

Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-0141
... shallow-water marine csem data vertical resistivity inline inversion marine csem data reservoir characterization thin resistor csem data resolution resistivity frequency single frequency central line horizontal resistivity geophysics depth resolution deep thin resistor broadside data...
Proceedings Papers

Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-1347
... oil & gas synthetic data resistivity anomaly interpretation resistivity receiver marine csem data anomaly lucy macgregor frequency normalized anomalous electric field ackermann reservoir characterization inversion geophysics rock solid image 2D Inversions of 3D Marine CSEM Data...
Proceedings Papers

Paper presented at the 2009 SEG Annual Meeting, October 25–30, 2009
Paper Number: SEG-2009-0684
...., the bathymetry effect) and keep it unchanged during the entire modeling and migration process. The method is illustrated by numerical examples of modeling and inversion of marine CSEM data in areas with rough bathymetry. Introduction During recent years, the marine controlled-source electromagnetic (MCSEM...
Proceedings Papers

Paper presented at the 2009 SEG Annual Meeting, October 25–30, 2009
Paper Number: SEG-2009-0825
...) for joint interpretation with seismic data (see also additional references in Zach et al. (2008a)). annual international meeting international exposition resistivity seg houston 2009 marine csem inversion marine csem data prospect exploration case study receiver csem gulf mexico basin...
Proceedings Papers

Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-0687
..., and the methodology is tested on a synthetic data and a dataset of a MCSEM survey conducted in the Troll West Gas Province(TWGP). Inversion of the Troll field Marine CSEM data The data set from Troll gas field is provided by EMGS. It is the largest gas field in the Norway Continental Plate. The survey...
Proceedings Papers

Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-0614
... for the optimization, where the Hessian matrix is approximated with BFGS matrices using the gradient projection method (Zhu et al., 1997, Byrd et al., 1995). shallow subsurface subsurface geophysics optimization marine csem data inversion synthetic data fast finite-difference time-domain forward code...
Proceedings Papers

Paper presented at the 2007 SEG Annual Meeting, September 23–28, 2007
Paper Number: SEG-2007-0579
... and Arsenin, 1977) support stabilizer stabilizer mcsem data reservoir characterization marine csem data upstream oil & gas minimum vertical support stabilizer resistivity inversion interpretation zhdanov experiment petroleum reservoir vertical support stabilizer transmitter...
Proceedings Papers

Paper presented at the 2007 SEG Annual Meeting, September 23–28, 2007
Paper Number: SEG-2007-0524
... survey interpretation. The 1D inversion of marine CSEM data is an easy way to generate depth-resistivity profiles required by more advanced data processing and interpretation schemes. Examples are the generation of starting models for rigorous 3D inversion or the interpretation of Scanning (i.e...
Proceedings Papers

Paper presented at the 2007 SEG Annual Meeting, September 23–28, 2007
Paper Number: SEG-2007-0633
... Summary We have studied the EM field distribution in anisotropic media and the impact of resistivity anisotropy on marine CSEM data. The effects of anisotropy may be significant for typical acquisition geometries and depend upon the transmitter-receiver geometry. We also show that different...
Proceedings Papers

Paper presented at the 2006 SEG Annual Meeting, October 1–6, 2006
Paper Number: SEG-2006-0815
... marine csem data receiver conductivity Rigorous 3-D inversion of marine CSEM data based on the integral equation method Alexander Gribenko , and Michael Zhdanov, University of Utah SUMMARY Marine controlled source electromagnetic (MCSEM) surveys have be- come an important part of offshore...
Proceedings Papers

Paper presented at the 2006 SEG Annual Meeting, October 1–6, 2006
Paper Number: SEG-2006-0704
... Summary Marine CSEM data processing techniques have evolved rapidly to accommodate the proliferation of marine controlled-source electromagnetic (CSEM) surveys. Processing methods developed for marine MT surveys are not directly applicable to marine CSEM data. Basic marine CSEM data processing...
Proceedings Papers

Paper presented at the 2006 SEG Annual Meeting, October 1–6, 2006
Paper Number: SEG-2006-0719
... and lithologically complex environments (Carazzone et al., 2005). The tool set most commonly available to interpreters includes one-, two- and three-dimensional forward and inverse modeling codes. All previous examples, reported in the literature, of inversion codes applied to marine CSEM data have been cell-based...

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