| 摘要 |
An intervention tool (R1, R2) is installed permanently behind a casing pipe or a tubing, in proximity to a tubular section (5) provided with a lateral cavity (6) . A single-contact or a multicontact plug connected to the device is positioned at the bottom of the cavity. A connecting part (9) provided with a retractable finger (10) is lowered into the pipe (2) at the end of a cable (10) comprising one or several conducting lines . A guide ramp (13) allows the finger (10) to be guided towards the cavity (6) when the part (9) comes close thereto. The end of the finger bears a socket (12) adapted for engaging onto the plug (7) . Signals produced by tool (R1, R2) may thus be collected or transmitted thereto at will and only when necessary, without having to establish a permanent link. The invention tool can be used for active or passive monitoring of an oil effluent reservoir for example.
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