Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Randall S. Shafer0
Date of Patent
February 20, 2024
0Patent Application Number
178298470
Date Filed
June 1, 2022
0Patent Citations
...
Patent Primary Examiner
CPC Code
Patent 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.
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