Resistive down hole heating tool

Details Resistive down hole heating tool Resistive down hole heating tool

2005-09-13

2005-09-13

Walker, Zakiya (Department: 3672)

Wells

Processes

Cementing, plugging or consolidating

C166S302000

Reexamination Certificate

active

06942032

ABSTRACT:
A heating tool used for heating cement and/or a ground formation zone and melting billets in a down hole application for sealing oil and gas wells from gas migration. The heating tool has a billet loader which allows a plurality of billets to be loaded into the top of the tool and which billets then pass downward into a magazine and the lowermost heating area of the tool to rest on a billet retainer.

REFERENCES:
patent: 2281334 (1942-04-01), Somes
patent: 2302774 (1942-11-01), Jarvis
patent: 3097282 (1963-07-01), Cronberger
patent: 5937948 (1999-08-01), Robbins, III
patent: 6163562 (2000-12-01), Franci
patent: 6353706 (2002-03-01), Bridges
patent: WO 02/099247 (2002-12-01), None

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