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:
Aug. 23, 2022
Filed:
Feb. 02, 2021
Applicant:
Conocophillips Company, Houston, TX (US);
Inventor:
Randall S. Shafer, Houston, TX (US);
Assignee:
CONOCOPHILLIPS COMPANY, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/134 (2006.01); E21B 33/12 (2006.01); E21B 29/02 (2006.01); E21B 29/00 (2006.01);
U.S. Cl.
CPC ...
E21B 33/134 (2013.01); E21B 29/002 (2013.01); E21B 29/02 (2013.01); E21B 33/12 (2013.01);
Abstract
A method for creating access to annular spacing during P&A operations is described. Specifically, helical coils are cut into one or more casings before the plugging material is set. The plugging material is able to exit the helical coils, forming multiple, small rock-to-rock seals.