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:
Aug. 13, 2019
Filed:
Feb. 20, 2015
Applicant:
I.t.h.p.p., Thegra, FR;
Inventors:
Frédéric Bayol, Themines, FR;
Boni Dramane, Figeac, FR;
Jean-Louis Gaussen, Neuvic, FR;
Christophe Goepfert, Orléans, FR;
Assignee:
I.T.H.P.P., Thegra, FR;
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/15 (2006.01); E21B 41/00 (2006.01); E21B 3/00 (2006.01);
U.S. Cl.
CPC ...
E21B 7/15 (2013.01); E21B 3/00 (2013.01); E21B 41/0085 (2013.01);
Abstract
A downhole device for rotary drilling is provided. The device includes a power generator installed at the end of a series of rods, a pulse generator which is mechanically and electrically connected to the electricity generator, an electric drilling tool, and an electrical sliding switch system.