E-line downhole jarring tool

Details E-line downhole jarring tool E-line downhole jarring tool

2005-03-15

2005-03-15

Bagnell, David (Department: 3672)

Wells

With jar means for releasing stuck part

C175S306000, C173S090000

Reexamination Certificate

active

06866096

ABSTRACT:
According to the present invention, the e-line downhole jarring tool is an electrical line downhole tool for manipulating a work string which is easily configured to deliver a specific amount of force to the work string in a small and simple apparatus.

REFERENCES:
patent: 2203595 (1940-06-01), Hall et al.
patent: 2241477 (1941-05-01), Rasmussen
patent: 3406770 (1968-10-01), Arterbury et al.
patent: 4376468 (1983-03-01), Clark
patent: 4736797 (1988-04-01), Restarick et al.
patent: 5069282 (1991-12-01), Taylor
patent: 6290004 (2001-09-01), Evans
patent: 6481495 (2002-11-01), Evans

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