US Patent 7422060 Methods and apparatus for completing a well
Patent 7422060 was granted and assigned to Schlumberger on September, 2008 by the United States Patent and Trademark Office.
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Patent abstract
Methods and tools are described to reduce sanding including the steps of fracturing the cement sheath in a localized zone around the casing and having the fractured zone act as sand filter between the formation and openings in the casing, with the openings being best pre-formed but temporarily blocked so as to allow a conventional primary cementing of the casing. The fracturing step can also be used for remedial operation to reopen blocked formation or screens.
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US Patent 07422060 Methods and apparatus for completing a well US Patent 7422060 Methods and apparatus for completing a well
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Patent Number
0742206000
Patent Number
742206000
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
074220600
Date of Patent
September 9, 2008
0Patent Application Number
111610030
Date Filed
July 19, 2005
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
074220600
Date of Patent
September 9, 2008
0Patent Application Number
111610030
Date Filed
July 19, 2005
0Official Website
Patent Primary Examiner
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US Patent 07422060 Methods and apparatus for completing a well
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07422060
Date of patent
September 9, 2008
Patent application number
11161003
Date Filed
July 19, 2005
Patent primary examiner
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