Inserting device for coiled tubing

Details Inserting device for coiled tubing Inserting device for coiled tubing

1996-04-04

1998-09-22

Neuder, William P.

Wells

Above ground apparatus

Moving tubing or cable into an existing well

E21B 1900

Patent

active

058099166

ABSTRACT:
An inserting device for coiled tubing comprises a top drive having a sleeve-shaped through-going shaft and an injector for coiled tubing. The coiled tubing is passed through safety valves, through a packer, as well as through a valve and further through the top drive's sleeve-shaped shaft. The coiled tubing is passed over a guide wheel. Drilling fluid is conducted to the top drive through a hose running over a caster, and a drilling fluid valve. A packer seals around the coiled tubing, and the valve is adapted to be capable of cutting the coiled tubing.

REFERENCES:
patent: 4428421 (1984-01-01), Rankin
patent: 4899816 (1990-02-01), Mine
patent: 4940095 (1990-07-01), Newman
patent: 5088559 (1992-02-01), Taliaferro
patent: 5188174 (1993-02-01), Anderson, Jr. et al.
patent: 5411085 (1995-05-01), Moore et al.
patent: 5558153 (1996-09-01), Holcombe et al.

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