Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 23, 2007
Patent Application Number
11140550
Date Filed
May 27, 2005
Patent Citations Received
Patent Primary Examiner
Patent 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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