Exothermic tool and method for heating a low temperature...

Details Exothermic tool and method for heating a low temperature... Exothermic tool and method for heating a low temperature...

2006-10-24

2006-10-24

Bates, Zakiya W. (Department: 3676)

Wells

Processes

Repairing object in well

C166S059000, C166S060000, C166S302000

Reexamination Certificate

active

07124820

ABSTRACT:
An exothermic well tool and method of use for the repair of failure spots along a section of a first tubular conduit, such as casing, wherein the housing of the tool is heated to at least a temperature approximately in excess of that required to activate and melt an exothermic metal alloy composition and may include an ignitable starter fuel charge with a series of solid activation fuel charges spaced throughout the chamber. The tool may also include a length of a second tubular conduit for positioning around the exterior of the housing to define an annular area relative to the first tubular conduit for deposit of a low temperature metal alloy therein.

REFERENCES:
patent: 2004/0146288 (2004-07-01), Vinegar et al.

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