Electricity: measuring and testing – Of geophysical surface or subsurface in situ – With radiant energy or nonconductive-type transmitter
Patent
1993-11-20
1996-04-16
O'Shea, Sandra L.
Electricity: measuring and testing
Of geophysical surface or subsurface in situ
With radiant energy or nonconductive-type transmitter
G01V 328
Patent
active
055086160
ABSTRACT:
At least one transmitting coil 1 and at least one receiving coil 2 are disposed along the bore axis 18 of a borehole 7 such that these coils are inclined and face each other, thus causing these coils to have directivity for examining electric characteristics of a formation around the borehole. More specifically, a method of and an apparatus for directional induction logging are provided, which permit measurement of the electric conductivity distribution of a formation in the circumferential direction in a range of several meters around the borehole and also imaging reflecting the electric conductivity.
REFERENCES:
patent: 1819923 (1931-08-01), Schlumberger
patent: 1913293 (1933-06-01), Schlumberger
patent: 2220070 (1940-11-01), Aiken
patent: 2220788 (1940-11-01), Lohman
patent: 2582314 (1952-01-01), Doll
patent: 3014177 (1961-12-01), Hungerford et al.
patent: 3067383 (1962-12-01), Tanguy
patent: 3166709 (1965-01-01), Doll
patent: 3187252 (1965-06-01), Hungerford
patent: 3226633 (1965-12-01), Schneider
patent: 3510757 (1970-05-01), Huston
patent: 3539911 (1970-11-01), Youmans et al.
patent: 3561007 (1971-02-01), Gouilloud et al.
patent: 3808520 (1974-04-01), Runge
patent: 4302723 (1981-11-01), Moran
patent: 4360777 (1982-11-01), Segesman
patent: 4481472 (1984-11-01), Gianzero
patent: 4513376 (1985-04-01), Barber
patent: 4697190 (1987-09-01), Oswald
patent: 4933640 (1990-06-01), Kuckes
Fuziwara Jun
Miyairi Makoto
Niitsuma Hiroaki
Sato Motoyuki
Japan as Represented By President of Tohoku University
Mason, Jr. Joseph C.
O'Shea Sandra L.
Patidar J. M.
Sekiyushigen Kaihatsu Kabushiki Kaisha
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