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:
Jun. 17, 2025
Filed:
Aug. 21, 2023
Applicant:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Inventors:
Terizhandur S. Ramakrishnan, Boxborough, MA (US);
Hua Zhang, Cambridge, MA (US);
Quincy K. Elias, Hyde Park, MA (US);
Albert Perez, Brookfield, CT (US);
Assignee:
SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/13 (2006.01); C09K 8/42 (2006.01); C09K 8/46 (2006.01); C22C 12/00 (2006.01); E21B 29/12 (2006.01); E21B 33/12 (2006.01); E21B 33/134 (2006.01); E21B 33/138 (2006.01); E21B 33/14 (2006.01); G01N 33/2028 (2019.01);
U.S. Cl.
CPC ...
E21B 33/13 (2013.01); C09K 8/426 (2013.01); C09K 8/46 (2013.01); C22C 12/00 (2013.01); E21B 29/12 (2013.01); E21B 33/12 (2013.01); E21B 33/1208 (2013.01); E21B 33/134 (2013.01); E21B 33/138 (2013.01); E21B 33/143 (2013.01); G01N 33/2028 (2019.01);
Abstract
A wellbore is plugged using a bismuth alloy. The wellbore is arranged so that a liquid bismuth alloy sets with an excess pressure of the plug relative to the borehole fluid pressure along a desired seal height distance.