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. 01, 2019
Filed:
Mar. 01, 2017
Geolog S.r.l., San Giuliano Milanese, Milan, IT;
Antonio Calleri, Milan, IT;
GEOLOG S.R.L., San Giuliano Milanese (Milan), IT;
Abstract
Disclosed is a method for identification of malfunctioning of a drill bit during drilling of hydrocarbon wells. The method includes measuring the penetration rate of the drill bit, measuring the drilling length, measuring the drilling mud concentration of at least one alkene gas species, measuring the torque at the drill bit, then analyzing the microscopic structure of the drilling cuttings on the basis of the values assumed by these measurements and on the basis of the observations of this microscopic structure. Finally the method generates an alert signal and returns the drill bit to the surface. The method facilitates a system for the early identification of drill bit malfunction due to wear, both in the case of fatigue and in the case of wrong initial choice of the type of drill bit with respect to the lithology of the rocks to be drilled.