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US Patent 11585183 Annulus isolation device
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Patent
Date Filed
February 2, 2022
Date of Patent
February 21, 2023
Patent Application Number
17590963
Patent Citations
US Patent 10161244 System and methodology using annulus access valve
US Patent 10900314 Riser system
Patent Jurisdiction
United States Patent and Trademark Office
Patent Number
11585183
Patent Primary Examiner
Aaron L Lembo
CPC Code
E21B 33/035
B63G 2008/005
B63G 8/001
E21B 34/04
E21B 33/043
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