The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 31, 2022
Filed:
Jan. 28, 2020
Applicant:
Conocophillips Company, Houston, TX (US);
Inventor:
Randall S. Shafer, Houston, TX (US);
Assignee:
ConocoPhillips Company, Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/12 (2006.01); E21B 33/13 (2006.01); C09K 8/42 (2006.01); C09K 8/44 (2006.01);
U.S. Cl.
CPC ...
E21B 33/1208 (2013.01); C09K 8/42 (2013.01); C09K 8/426 (2013.01); C09K 8/44 (2013.01); E21B 33/13 (2013.01);
Abstract
A plug for Plug and Abandonment (P&A) operations. 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. The sealing can be rock-to-rock and/or cast-in-place.