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. 03, 2023
Filed:
Sep. 30, 2022
Halliburton Energy Services, Inc., Houston, TX (US);
Mahesh Vijay Biyani, Pune, IN;
Sunita S. Kadam, Pune, IN;
Sohini Bose, Houston, TX (US);
Alexandra Clare Morrison, Houston, TX (US);
Sudarshana Mukherjee, Pune, IN;
Hui Zhou, Houston, TX (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
A method of drilling a wellbore penetrating a subterranean formation, the method includes: during drilling operations, circulating in the wellbore a first aqueous drilling fluid composition including a modified starch and a calcium carbonate wherein the calcium carbonate has a first predetermined particle size; during the circulating, measuring one or more parameters to create a set of measured parameters; and during the circulating, responsive to one or more parameters of the set of measured parameters, changing the calcium carbonate with another calcium carbonate of a different particle size to obtain a second aqueous drilling fluid composition, wherein the first and second predetermined particle sizes are, independently, a dparticle size of about 1.0 μm to about 150 μm.