Patent ID: 7416028
Filing Date: 2008-08-26
Classification: E21B

Abstract:
1. A telemetry system for bi-directional communication of data between a well point and a surface terminal unit, configured to be used inside drilling or production strings, comprising: data transmission and optional reception devices; an active vehicle, configured to be equipped with plural automation levels, ranging from purely tele-operated to completely autonomous, for unwinding and pulling a connection line from the vehicle, configured to move inside the drilling or production string, or a passive vehicle, moved by a deploying cable and a winding/unwinding device, the passive vehicle including anchoring devices configured to guarantee safe stoppage inside the pipe, wherein the vehicle is connected, by the deploying cable and a hooking/unhooking device, to the winding/unwinding device, and is configured to be situated inside a garage or outside the string; and a connection line, containing electric conductors and/or one or more optical fibers, of the transmission and optional reception devices between the well point and its corresponding point situated inside the vehicle or on the surface.