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. 25, 2017
Filed:
Jun. 24, 2014
Halliburton Energy Services, Inc., Houston, TX (US);
Andrew McPherson Downie, Fife, GB;
Pascal Michel Vitale, Eybens, FR;
Bachar Boussi, Houston, TX (US);
HALLIBURTON ENERGY SERVICES, INC., Houston, TX (US);
Abstract
A downhole stabilizer (), such as a drill motor stabilizer, comprises at least one reaming means and/or reinforcing means (). The present invention also relates to an assembly (), such as a downhole drilling assembly (), comprising at least one such stabilizer () and/or a drill bit () comprising a gauge bit () at or near a drilling end () thereof, and a connection means () for connecting the drill bit () to a drill motor assembly (), wherein the drill bit gauge () comprises a substantially cylindrical portion having a length less than or equal to approximately 1.0 times the nominal bit diameter. The present invention also relates to a novel locking mechanism (), such as a lock and key mechanism, to allow locking of a shaft ('), e.g. a motor drive shaft (′), through or together with a stabilizer (′).