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02/28/08 - USPTO Class 166 |  21 views | #20080047708 | Prev - Next | About this Page  166 rss/xml feed  monitor keywords

Method and apparatus for plugging perforations

USPTO Application #: 20080047708
Title: Method and apparatus for plugging perforations
Abstract: Apparatus and method for plugging perforations in an oil or gas well. A bridge plug is formed in the casing below the perforations. A heating tool and a fusible alloy adjacent the heating tool is lowered into the well to a position above the bridge plug and adjacent the perforations. Heat is applied to melt the fusible alloy and pressure is applied to the molten material to force it through the perforations. The heating operation is terminated to allow the molten material to solidify and plug the perforations.
(end of abstract)
Agent: John Russell Uren - West Vancouver, BC, CA
Inventor: HOMER L. SPENCER
USPTO Applicaton #: 20080047708 - Class: 166288000 (USPTO)

Related Patent Categories: Wells, Processes, Cementing, Plugging Or Consolidating, Including Heating

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Method and system for treating a subterranean formation
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Method for controlling water influx into wellbores by blocking high-permeability channels
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