Method and device for effecting, by means of specialized tools,

Details Method and device for effecting, by means of specialized tools, Method and device for effecting, by means of specialized tools,

1984-04-05

1986-02-18

Suchfield, George A.

Wells

Processes

With indicating, testing, measuring or locating

166 651, 166378, 166383, E21B 2308, E21B 43112, E21B 4700

Patent

active

045707090

ABSTRACT:
A method for effecting logging or servicing operations in a predetermined zone of a well, following an initial portion thereof, comprising fastening a logging or servicing tool body at the end of a string of rods lowered into the well, said tool body being provided with an electric male connector, lowering at the end of an electric transmission cable, from the surface, a female connector adapted to fit the male connector, coupling said female and male connectors by the action of a force generated at least partly by the pressure of a fluid pumped through the string of rods, supplying electric power, through said transmission cable and said connectors, to said logging or servicing tool for its operation in said predetermined zone, and with rotating means located between the string of rods and said tool, rotating the tool without rotating the whole string of rods.

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patent: 4319240 (1982-03-01), Stone et al.
patent: 4349072 (1982-09-01), Escaron et al.
patent: 4457370 (1984-07-01), Wittrisch

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