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:
Oct. 17, 2023
Filed:
Mar. 28, 2022
Applicant:
Saudi Arabian Oil Company, Dhahran, SA;
Inventors:
Ayman Raja Al-Nakhli, Dammam, SA;
Wajdi Mohammed Buhaezah, Dammam, SA;
Saleh A. Haidary, Dammam, SA;
Rami A. Sindi, Dammam, SA;
Assignee:
Saudi Arabian Oil Company, Dhahran, SA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 21/00 (2006.01); C09K 8/512 (2006.01); E21B 33/138 (2006.01); C09K 8/504 (2006.01);
U.S. Cl.
CPC ...
C09K 8/512 (2013.01); C09K 8/5045 (2013.01); E21B 21/003 (2013.01); E21B 33/138 (2013.01);
Abstract
A system and method for treating lost circulation, including providing a treatment fluid including a polymer and a nitrogen-generating compound through a wellbore into a lost circulation zone in a subterranean formation, generating nitrogen gas in the lost circulation zone by a reaction of the nitrogen-generating compound, generating foam from the nitrogen gas and the treatment fluid in the lost circulation zone to give foamed polymer in the lost circulation zone, and plugging the lost circulation zone with the foamed polymer.