US Patent 9080422 Liner wiper plug with bypass option
Patent 9080422 was granted and assigned to Schlumberger on July, 2015 by the United States Patent and Trademark Office.
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Patent abstract
Methods and apparatus for liner wiper plugs with bypass options to allow displacing fluid to be pumped through after the liner wiper plug is set in a liner hanger system landing collar. By pumping displacing fluids through the bypass, uncured cement may be removed from the shoe track area and an area external to the shoe track area.
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US Patent 09080422 Liner wiper plug with bypass option US Patent 9080422 Liner wiper plug with bypass option
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Patent Number
0908042200
Patent Number
908042200
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
090804220
Date of Patent
July 14, 2015
0Patent Application Number
135961340
Date Filed
August 28, 2012
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
090804220
Date of Patent
July 14, 2015
0Patent Application Number
135961340
Date Filed
August 28, 2012
0Official Website
Patent Primary Examiner
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US Patent 09080422 Liner wiper plug with bypass option
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
09080422
Date of patent
July 14, 2015
Patent application number
13596134
Date Filed
August 28, 2012
Patent primary examiner
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