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US Patent 10316612 Two-material P and A plug

Patent 10316612 was granted and assigned to ConocoPhillips on June, 2019 by the United States Patent and Trademark Office.

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Patent Applicant

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Current Assignee

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Randall S. Shafer0

Date of Patent

June 11, 2019

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Patent Application Number

159483220

Date Filed

April 9, 2018

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Patent Citations Received

US Patent 11401777 Through tubing P and A with two-material plugs

US Patent 12129735 Tool for metal plugging or sealing of casing

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US Patent 12129733 Two-material P and A plug

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US Patent 11753898 PandA setting with exothermic material

US Patent 11346176 Two-matertal, P and A plug

US Patent 11905789 Helical coil annular access plug and abandonment

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Patent Primary Examiner

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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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