Systems and methods for measuring sea-bed resistivity

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – With radiant energy or nonconductive-type transmitter

Reexamination Certificate

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C324S345000

Reexamination Certificate

active

07969152

ABSTRACT:
A method for measuring the resistivity of sea-bed formations is described. An electromagnetic field is generated using at least one stationary long-range transmitter. The frequency of the electromagnetic field is between and/or including the ULF/ELF range. At least one component of the electromagnetic field is measured. A conductivity distribution is determined based on the at least one measured component. The determined conductivity distribution is correlated with geological formations and/or hydrocarbon deposits.

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Guerin, R., Tabbagh, A., and Andrieux, P., 1994, Field and/or resistivity mapping in MT-VLF and implications for data processing: Geophysics, 59, 1695-1712.

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