Downhole oil and gas well jacking tool for use with coil tubing

Details Downhole oil and gas well jacking tool for use with coil tubing Downhole oil and gas well jacking tool for use with coil tubing

1993-12-02

1994-12-06

Buiz, Michael Powell

Wells

With jar means for releasing stuck part

E21B 2300

Patent

active

053701801

ABSTRACT:
A coil tubing supported jacking tool can be used to remove articles that are stuck in an oil and gas well casing bore. The coil tubing unit transmits pressurized fluid to the tool body. At its lower end, the tool body grips the stuck article. A piston chamber expands to set slips for anchoring the tool body to the well casing. The piston then moves upwardly away from the slips, pulling the stuck article free.

REFERENCES:
patent: 3343606 (1967-09-01), Dollison
patent: 4361195 (1982-11-01), Evans
patent: 5066060 (1991-11-01), Cooksey et al.
patent: 5232060 (1993-08-01), Evans

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