Plunger conveyed plunger retrieving tool and method of use

Details Plunger conveyed plunger retrieving tool and method of use Plunger conveyed plunger retrieving tool and method of use

2005-08-30

2005-08-30

Walker, Zakiya (Department: 3672)

Wells

Processes

Freeing stuck object, grappling or fishing in well

C166S099000, C166S105000, C166S162000

Reexamination Certificate

active

06935427

ABSTRACT:
A wellbore plunger retrieving tool including a substantially cylindrical retrieving plunger body having a reduced diameter top end and an opposed bottom end. The body bottom end has a threaded recess. A plunger receiving collet includes a threaded male top end engageable with the threaded recess and an opposed bottom end with a plurality of extending fingers. The fingers are capable of flexing to engage a downhole stuck plunger.

REFERENCES:
patent: 2878754 (1959-03-01), McMurry
patent: 3051242 (1962-08-01), Chamberlain et al.
patent: 4295528 (1981-10-01), Carmody
patent: 4693308 (1987-09-01), Luke et al.
patent: 4984969 (1991-01-01), Fineberg
patent: 5984009 (1999-11-01), DiFoggio
patent: 6032733 (2000-03-01), Ludwig et al.

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