Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Randall S. Shafer0
Date of Patent
June 11, 2019
0Patent Application Number
159483220
Date Filed
April 9, 2018
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A plug for Plug and Abandonment (P&A) operations and methods of installation and use. The plug is a two-part plug of bismuth-based alloy and resin, allowing for sealing of an oil well using two different mechanisms with a shorter plug.
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