1D inversion and resolution analysis of marine CSEM data

Geophysics

Volumn 72, Issue 2, 2007, Pages

  Christensen, Niels B ^a   Dodds, Kevin ^b  

^a AARHUS UNIVERSITY   (Denmark)

^b CSIRO   (Australia)

Author keywords

Geomagnetism; Inverse problems; Terrestrial electricity

Indexed keywords

COVARIANCE MATRIX; INVERSE PROBLEMS; TRANSMITTERS; UNCERTAINTY ANALYSIS;

CONTROLLED-SOURCE ELECTROMAGNETIC (CSEM); EMPIRICAL NOISE MODEL; TRANSVERSE RESISTANCE;

GEOMAGNETISM;

DATA INVERSION; DATA PROCESSING; DATA SET; ELECTROMAGNETIC METHOD; EMPIRICAL ANALYSIS; GEOMAGNETISM; INVERSE PROBLEM; NUMERICAL MODEL; ONE-DIMENSIONAL MODELING; SEAFLOOR;

EID: 33947137321     PISSN: 00168033     EISSN: None     Source Type: Journal    
DOI: 10.1190/1.2437092     Document Type: Article

References (27)

1. Abubakar, A., T. Habashy, V. Druskin, D. Alumbaugh, A. Zerelli, and L. Knizhnerman, 2006, Two-and-half-dimensional forward and inverse modeling for marine CSEM problems: 76th Annual International Meeting, SEG, Expanded Abstracts, 750-754.
2. Amundsen, H. E. F., S. Johansen, and T. Røsten, 2004, Seabed logging calibration survey over the Troll gas field: 66th Annual Conference and Exhibition, EAGE.
3. Carazzone, J. J., O. M. Burtz, K. E. Green, D. A. Pavlov, and C. Xia, 2005, Three-dimensional imaging of marine CSEM data: 75th Annual International Meeting, SEG, Expanded Abstracts, 575-578.
4. Chave, A. D., S. Constable, and R. N. Edwards, 1991, Electrical exploration methods for the seafloor, in M. N. Nabighian, ed., Electromagnetic methods in applied geophysics: SEG, 931-966.
5. Chave, A. D., and C. S. Cox, 1982, Controlled electromagnetic sources for measuring electrical conductivity beneath the oceans: Forward problem and model study: Journal of Geophysical Research, 87, 5227-5338. jgr JGREA2 0148-0227
6. Chlamtac, M., and F. Abramovici, 1981, The electromagnetic fields of a horizontal dipole over a vertically inhomogeneous and anisotropic earth: Geophysics, 46, 904-915. gpy GPYSA7 0016-8033 10.1190/1.1441229
7. Christensen, N. B., 1990, Optimized fast hankel transform filters: Geophysical Prospecting, 38, 545-568. 8uc GPPRAR 0016-8025 10.1111/ j.1365-2478.1990.tb01861.x
8. Christensen, N. B., and E. Auken, 1992, Simultaneous electromagnetic layered model analysis: GeoSkrifter, 41, 49-56.
9. Constable, S., and C. J. Weiss, 2006, Mapping thin resistors and hydrocarbons with marine EM methods: Insights from 1D modeling: Geophysics, 71, no. 2, G43-G51. gpy GPYSA7 0016-8033 10.1190/1.2187748
10. Edwards, R. N., 1997, On the resource evaluation of marine gas hydrate deposits using sea-floor transient electric dipole-dipole methods: Geophysics, 62, 63-74. gpy GPYSA7 0016-8033 10.1190/1.1444146
11. Eidesmo, T., S. Ellingsrud, L. M. MacGregor, S. Constable, M. C. Sinha, S. Johansen, F. N. Kong, and H. Westerdahl, 2002, Sea bed logging (SBL), a new method for remote and direct identification of hydrocarbonfilled layers in deepwater areas: First Break, 20, 144-152.
12. Farquharson, C., and D. W. Oldenburg, 1998, Nonlinear inversion using measures of data misfit and model structure: Geophysical Journal International, 34, 213-227. gji GJINEA 0956-540X
13. Hesthammer, J., and M. Boulaenko, 2005, The offshore EM challenge, the future development of marine CSEM and its integration with seismics is discussed: First Break, 23, 59-66.
14. Hoversten, G. M., G. A. Newman, N. Geier, and G. Flanagan, 2006, 3D modeling of a deepwater EM exploration survey: Geophysics, 71, no. 5, G239-G248. gpy GPYSA7 0016-8033 10.1190/1.2240113
15. Inman, J. R., 1975, Resistivity inversion with ridge regression: Geophysics, 40, 798-817. gpy GPYSA7 0016-8033 10.1190/1.1440569
16. Johansen, S. E., H. E. F. Amundsen, T. Røsten, S. Ellingsrud, T. Eidesmo, and A. H. Bhuyian, 2005, Subsurface hydrocarbons detected by electromagnetic sounding: First Break, 23, 31-36.
17. MacGregor, L. M., M. C. Sinha, and S. Constable, 2001, Electrical resistivity structures of the Valu Fa Ridge, Lau basin, from marine controlled source electromagnetic sounding: Geophysical Journal International, 146, 217-236. gji GJINEA 0956-540X 10.1046/ j.1365-246X.2001.00440.x
18. Madsen, K., and H. B. Nielsen, 1993, A finite smoothing algorithm for linear L 1 estimation: SIAM Journal on Optimization, 3, 223-235. au9 SJOPE8 1052-6234 10.1137/0803010
19. Menke, W., 1989, Geophysical data analysis: Discrete inverse theory: Academic Press Inc.
20. Mittet, R., L. Løseth, and S. Ellingsrud, 2004, Inversion of SBL data acquired in shallow waters: 66th Annual Conference and Exhibition, EAGE.
21. Newman, G. A., and D. L. Alumbaugh, 1997, Three-dimensional massively parallel electromagnetic inversion, I, Theory: Geophysical Journal International, 128, 345-354. gji GJINEA 0956-540X
22. Newman, G. A., and G. M. Hoversten, 2000, Solution strategies for two- and three-dimensional electromagnetic inverse problems: Inverse Problems, 16, 1357-1375. inp INPEEY 0266-5611 10.1088/0266-5611/16/5/314
23. Sinha, A. K., and P. K. Bhattacharya, 1967, Electrical dipole over an anisotropic and inhomogeneous Earth: Geophysics, 32, 652-667. gpy GPYSA7 0016-8033 10.1190/1.1439881
24. Tarantola, A., and B. Valette, 1982, Generalized nonlinear inverse problems solved using a least squares criterion: Reviews of Geophysics and Space Physics, 20, 219-232. rgh RGPSBL 0034-6853
25. Tompkins, M. J., A. Greer, N. Barker, R. Weaver, and L. M. MacGregor, 2004, Effects of vertical anisotropy on marine active source electromag-netic data and inversions: 66th Annual Conference and Exhibition, EAGE.
26. Wright, D. A., A. Ziolkowski, and B. A. Hobbs, 2001, Hydrocarbon detection with a multi-channel transient electromagnetic survey: 71st Annual International Meeting, SEG, Expanded Abstracts, 1435-1438.
27. Zhdanov, M. S., and K. Yoshioka, 2005, Three-dimensional iterative inversion of the marine controlled-source electromagnetic data: 75th Annual International Meeting, SEG, Expanded Abstracts, 526-529.