Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Rajesh Parameshwaraiah0
Frank Vinicio Acosta0
Lonnie Helms0
Min Mark Yuan0
Date of Patent
February 22, 2022
Patent Application Number
16647770
Date Filed
May 9, 2019
Patent Citations
Patent Primary Examiner
Patent abstract
A downhole tool includes a casing string with a fluid barrier connected therein defining a lower end of a buoyancy chamber. A plug assembly connected in the casing string defines an upper end of the buoyancy chamber. The plug assembly has an outer case with a rupture disc positioned therein configured to block flow and to burst at a predetermined pressure. The rupture disk is removable from a flow path through the outer case upon the flow of fluid therethrough.
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