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. 09, 2007
Filed:
Jun. 21, 2001
Derek Frederick Herrera, Aberdeen, GB;
Derek Frederick Herrera, Aberdeen, GB;
Futuretec Ltd., Aberdeen, GB;
Abstract
A centralizerfor mounting on a tubular member such as a section of casing, together with one or more stopsfor retaining the centralizer thereon. The stopsare provided with profiles for engaging the centralizer to restrict rotation thereof. The centralizermay be selectively permitted or restricted from rotation by selection of appropriate stops, and by relative movement of the stops and centralizer on the tubular. Certain embodiments of the centralizermay also include bladeson the body thereof, the blades being formed such that the velocity and kinetic energy of fluid flow across the blades is altered, so reducing settling of drill cuttings within the bore and on the centralizer.