Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Paul Carragher0
Date of Patent
October 30, 2018
0Patent Application Number
150113080
Date Filed
January 29, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A plug for plugging wells, and in particular oil and gas wells, is provided. The plug has a plug body formed from an outer metal tube of a reduced thickness. The plug also has reinforcement means, attached to an inner surface of the outer tube, that give the plug a cross-sectional structural strength that is at least equivalent to that of a thicker metal tube. The plug has a central heater receiving void located along the axis of the plug to enable a plug deployment heater to be received therein. Also provided is a plug assembly with a variable cross-sectional area in a plane perpendicular to the plane in which the assembly is deployed during the plugging of underground conduits.
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