Device for carrying out measuring and servicing operations in a

Details Device for carrying out measuring and servicing operations in a Device for carrying out measuring and servicing operations in a

1992-11-13

1994-09-20

Bui, Thuy M.

Wells

Processes

Placing or shifting well part

166 651, 166250, E21B 1900

Patent

active

053480970

ABSTRACT:
The invention relates to a device for carrying out measuring and/or servicing operations in a well (4), comprising a tubing (2) adapted for being coiled round a drum (1) and a measuring instrument (3) fastened to the end of the tubing.
The tubing comprises inwardly a rod (17) elastic in flexure and resisting to compressive stress, well suited for allowing the introduction thereof into tubing (2), notably by thrust.
An energy or information transfer line (12) is incorporated during manufacturing of rod (17).
Rod (17) is made of a polymeric material comprising reinforcing fibers and it is centered inside the tubing.
The invention further relates to a process for assembling the rod in the tubing and to the use of the device in a well producing an oil effluent.

REFERENCES:
patent: 2204737 (1940-06-01), Swallow et al.
patent: 4744245 (1988-05-01), White
patent: 4901804 (1990-02-01), Thometz et al.
patent: 4928758 (1990-05-01), Siegfried, II
patent: 4928759 (1990-05-01), Siegfried, II et al.
patent: 4979563 (1990-12-01), Patel
patent: 4979567 (1990-12-01), Rubbo
patent: 5010764 (1991-04-01), Taylor
patent: 5042297 (1991-08-01), Lessi
patent: 5159978 (1992-11-01), Tomek et al.
patent: 5207096 (1993-05-01), Castel et al.

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