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. 14, 2025
Filed:
Jun. 10, 2024
King Fahd University of Petroleum and Minerals, Dhahran, SA;
Saudi Arabian Oil Company, Dhahran, SA;
Fahad Khan, Dhahran, SA;
Mohamed Ahmed Nasr Aldeen Mahmoud, Dhahran, SA;
Arshad Raza, Dhahran, SA;
Murtadha J. Altammar, Dhahran, SA;
Shirish Patil, Dhahran, SA;
Saudi Arabian Oil Company, Dhahran, SA;
King Fahd University of Petroleum & Minerals, Dhahran, SA;
Abstract
A method of thermally shocking a subsurface formation may comprise introducing an endothermic fluid composition into a wellbore fluidly connected to the subsurface formation, the endothermic fluid composition comprising an aqueous solution, ammonium chloride, and sodium hydroxide; reacting the ammonium chloride and sodium hydroxide, thereby decreasing a temperature of the endothermic fluid and producing ammonia; and exposing the reacted endothermic fluid composition to the subsurface formation, thereby thermally shocking at least a portion of the subsurface formation and inducing one or more fractures in the same.