Formation logging using multicomponent signal-based measurement of anisotropic permittivity and resistivity

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United States of America Patent

PATENT NO 10768336
APP PUB NO 20180003853A1
SERIAL NO

15531375

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Certain logging method and system embodiments obtain multi-component signal measurements from an electromagnetic logging tool conveyed along a borehole through a formation, and invert the measurements for a single frequency using an anisotropic formation model having at least dip, horizontal and vertical resistivity, and horizontal and vertical permittivity, as parameters. A resulting log is provided to represent a position dependence of at least one of said parameters or a formation property derived from at least one of said parameters. Illustrative formation properties include water saturation, rock type, and presence of pyrite or other such materials having anisotropic polarization. Inversions may be performed on measurements acquired at other frequencies to determine a representative dispersion curve for further characterization of the formation.

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HALLIBURTON ENERGY SERVICES INC10200 BELLAIRE BLVD HOUSTON TX 77072

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chemali, Roland E Humble, US 41 1262
Donderici, Burkay Houston, US 386 2445
Ewe, Wei-Bin Singapore, SG 14 28
Wu, Hsu-Hsiang Sugarland, US 116 530

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