Anchored wavey conduit in coiled tubing

Details Anchored wavey conduit in coiled tubing Anchored wavey conduit in coiled tubing

1993-03-29

1995-07-25

Scherbel, David A.

Pipes and tubular conduits

Plural duct

138113, E21B 1700

Patent

active

054353513

ABSTRACT:
A conduit lies on the inside wall of the tubing. A plurality of anchors are located along the length of the conduit, the anchors being activatable between an "active" state when the anchors engage the inside wall and a "neutral" state when the anchors are disengaged from the inside wall.

REFERENCES:
patent: 3802491 (1974-04-01), Plank, Jr.
patent: 4098476 (1978-07-01), Jutte et al.
patent: 4117873 (1978-10-01), Crawford
patent: 4241789 (1980-12-01), Grosch
patent: 4280535 (1981-07-01), Willis
patent: 4325438 (1982-04-01), Zuvela
patent: 4484628 (1984-11-01), Schlumberger
patent: 4930544 (1990-06-01), Ziu
patent: 5018260 (1991-05-01), Ziu
patent: 5082027 (1992-01-01), Stanley

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