US Patent 8479817 Method and composition for curing lost circulation
Patent 8479817 was granted and assigned to Schlumberger on July, 2013 by the United States Patent and Trademark Office.
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Patent abstract
A system for curing lost circulation is made of fibers and a material able to stick fibers in a network when activated. Such activation can be temperature or pH change or both. The fibers can be metallic amorphous fibers, metallic non-amorphous fibers, glass fibers, carbon fibers, polymeric fibers and combinations thereof. The material can be a fiber coating or an additional material, for example polyvinyl alcohol, polyurethane and heat activated epoxy resin.
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US Patent 08479817 Method and composition for curing lost circulation US Patent 8479817 Method and composition for curing lost circulation
Infobox
Patent Number
0847981700
Patent Number
847981700
Edits on 29 Mar, 2023
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
084798170
Date of Patent
July 9, 2013
0Patent Application Number
128104310
Date Filed
December 23, 2008
0Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
084798170
Date of Patent
July 9, 2013
0Patent Application Number
128104310
Date Filed
December 23, 2008
0Patent Primary Examiner
Edits on 17 Dec, 2021
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US Patent 08479817 Method and composition for curing lost circulation
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
08479817
Date of patent
July 9, 2013
Patent application number
12810431
Date Filed
December 23, 2008
Patent primary examiner
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