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US Patent 7449664 Oil and gas well alloy squeezing method and apparatus

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7449664
Patent Inventor Names
Homer L. Spencer5
Date of Patent
November 11, 2008
Patent Application Number
10953079
Date Filed
September 28, 2004
Patent Citations Received
‌
US Patent 12129735 Tool for metal plugging or sealing of casing
1
‌
US Patent 11905789 Helical coil annular access plug and abandonment
2
‌
US Patent 12010970 Nano-thermite well plug
3
‌
US Patent 12129733 Two-material P and A plug
4
Patent Primary Examiner
‌
Quang T Van
Patent abstract

Method and apparatus for melting a material and squeezing the melted material through casing perforations into a fault within the cement or formation of an oil or gas well. A heating tool carries solid material which is melted at depth within the well and adjacent to the casing perforations. The liquefied material is forced through the perforations and into the formation or the well cement. When the material cools and solidifies, the faults become sealed.

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