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Machine translation
1. (WO1999042698) CENTRALIZER
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1999/042698    International Application No.:    PCT/GB1999/000398
Publication Date: 26.08.1999 International Filing Date: 08.02.1999
Chapter 2 Demand Filed:    20.09.1999    
IPC:
E21B 17/10 (2006.01)
Applicants: WEATHERFORD/LAMB, INC. [US/US]; c/o CSC - The United States Corporation Company 1013 Centre Road Wilmington, DE 19805 (US) (For All Designated States Except US).
REINHOLDT, Bernd [DE/DE]; (DE) (For US Only).
LUCAS, Brian, Ronald [GB/GB]; (GB) (For All Designated States Except US)
Inventors: REINHOLDT, Bernd; (DE)
Agent: HARDING, Richard, P.; Marks & Clerk 4220 Nash Court Oxford Business Park South Oxford OX4 2RU (GB)
Priority Data:
9803668.4 23.02.1998 GB
Title (EN) CENTRALIZER
(FR) CENTREUR
Abstract: front page image
(EN)A centralizer which comprises a pair of annular bands (2, 3) which are spaced apart by a plurality of hollow members (4 to 9) characterised in that said hollow members (4 to 9) are each provided with at least one window (24, 25, 26) having a roller (12, 13, 14) freely rotatably mounted therein.
(FR)L'invention concerne un centreur comprenant une paire de bandes annulaires (2, 3) séparées par une pluralité d'éléments creux (4 à 9), qui se caractérise en ce que lesdits éléments creux (4 à 9) sont munis chacun d'au moins une fenêtre (24, 25, 26) dans laquelle est monté un rouleau (12, 13, 14) tournant librement.
Designated States: AU, CA, CN, JP, NO, US.
European Patent Office (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE).
Publication Language: English (EN)
Filing Language: English (EN)