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:
Jul. 02, 2024
Filed:
Jun. 27, 2022
Applicant:
Saudi Arabian Oil Company, Dhahran, SA;
Inventors:
Vikrant Wagle, Dhahran, SA;
Abdullah Saleh Hussain Al-Yami, Dhahran, SA;
Omprakash Pal, Dhahran, SA;
Ali Mohammed Hussain Al Safran, Dhahran, SA;
Khawlah Alanqari, Al Khobar, SA;
Assignee:
Saudi Arabian Oil Company, Dhahran, SA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/035 (2006.01); C09K 8/03 (2006.01); E21B 21/06 (2006.01);
U.S. Cl.
CPC ...
C09K 8/035 (2013.01); C09K 8/032 (2013.01); E21B 21/065 (2013.01);
Abstract
Methods for making and using an invert-emulsion drilling fluid, and the invert-emulsion drilling fluid are provided. An exemplary invert-emulsion drilling fluid includes a C-36 dimer diamine dihydrochloride salt (CDDH), an aqueous solvent, a non-aqueous solvent, an emulsifier, and calcium chloride.