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. 30, 2005
Filed:
Aug. 07, 2003
Jean Gilbert Boulet, Paris, FR;
Christophe Reullon, Cosne sur Loire, FR;
Jean Gilbert Boulet, Paris, FR;
Christophe Reullon, Cosne sur Loire, FR;
S.M.F. International, Sur Loire, FR;
Abstract
The stabilizer () has a tubular central body () having means for connection () to a first and a second component of the string of drill rods and at least one external contact element () with a wall () of the borehole (). The external element () for contact of the stabilizer () with the wall () of the borehole () has at least one means for activation () of a means () co-operating with the wall () of the borehole () to limit the friction between the contact element () and the wall () of the borehole (). The activation means can consist of inter-blade spaces () for acceleration of the circulation () of the drilling liquid or by a means for coupling in rotation of the external element () and the central body () of the stabilizer ().