Resistive down hole heating tool
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United States of America Patent
Stats
-
Sep 13, 2005
Grant Date -
Aug 5, 2004
app pub date -
Nov 6, 2003
filing date -
Nov 6, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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