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:
Jan. 09, 2024
Filed:
May. 16, 2022
Saudi Arabian Oil Company, Dhahran, SA;
Waheed Syed Arshad, Mississauga, CA;
Misfer J. Almarri, Dhahran, SA;
Bilal Tariq, Dhahran, SA;
Mohammad H. Altwaijri, Dhahran, SA;
Saudi Arabian Oil Company, Dhahran, SA;
Abstract
A system for cooling drilling fluid circulating in a wellbore drilled by a wellbore drilling system includes a drilling fluid conduit positioned at a surface location separate from a wellhead of the wellbore. Drilling fluid flowed from the wellbore and an outer jacket passes through the drilling fluid conduit. An inner surface of the outer jacket at least partially defines an interior volume within which the drilling fluid conduit is at least partially disposed. The interior volume is at least partially filled with liquid nitrogen, such that the drilling fluid passing through the drilling fluid conduit is cooled by heat exchange with the liquid nitrogen across a wall of the drilling fluid conduit prior to flowing back into the wellbore via a mud pump.