Method and mean for measuring the conductivity of geological...

Details Method and mean for measuring the conductivity of geological... Method and mean for measuring the conductivity of geological...

G - Physics

01

V

G01V 3/30 (2006.01) G01V 3/28 (2006.01)

Patent

CA 2130094

Device comprising a transmitter-receiver coil (5) movable in the well and means (8) for generating a periodic excitation signal which produces an overvoltage in the transmitter-receiver coil. The variation in the coil overvoltage factor is determined by measuring means (9) and analyzed by processing means (10) to obtain an indication of the conductivity value of the formation adjacent the well.

2130094 9414087 PCTABS00166 Le dispositif comporte une bobine émettrice-réceptrice (5) mobile dans le puits et des moyens (8) pour générer un signal périodique d'excitation créant dans la bobine émettrice-réceptrice une surtension. La variation de facteur de surtension de la bobine est déterminée par des moyens de mesure (9) et analysée par des moyens (10) de traitement de façon à obtenir une indication sur la valeur de la conductivité de la formation située autour du puits.

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