Pipes and tubular conduits – Plural duct
Patent
1998-10-07
2000-05-16
Brinson, Patrick
Pipes and tubular conduits
Plural duct
138113, 138114, F16L 918
Patent
active
060622652
ABSTRACT:
The invention relates to a conduit and coiled tubing system for deployment in a well, in which the conduit is arranged internally of the coiled tubing, and one end of the coiled tubing is attached to a powered device such as a motor or a drill which is to be installed in the well, and wherein the conduit is connected at one end to a power supply at the surface and connected at the opposite end to the powered device and wherein, in a locked state, the coiled tube comprises at least one protrusion extending inwardly from its internal wall and acts against the conduit or an anchoring surface provided thereon, to prevent axial movement of the conduit with respect to the coiled tubing at least on one direction. An anchoring collar may be provided on the tube against which the protrusions engage to secure the conduit in position inside the tube.
REFERENCES:
patent: 4315099 (1982-02-01), Gerardot et al.
patent: 4394531 (1983-07-01), Delabie
patent: 4451966 (1984-06-01), Lee
patent: 4585059 (1986-04-01), Lee
patent: 4590652 (1986-05-01), Harwood
patent: 4615359 (1986-10-01), Affa et al.
patent: 5435351 (1995-07-01), Head
patent: 5907134 (1999-05-01), Nording et al.
Brinson Patrick
Dubno Herbert
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