E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
255/12, 138/52
E21B 7/00 (2006.01) E21B 4/02 (2006.01) F04C 2/107 (2006.01)
Patent
CA 1242183
DOWNHOLE SECTIONAL SCREW MOTOR AND METHOD OF ORIENTED ASSEMBLY OF WORKING MEMBERS THEREOF USING A MOUNTING FIXTURE Abstract A downhole motor comprises a bearing unit connected to a moving section incorporating successively arranged working mem- bers - a stator and a rotor interacting with each other along the profile surfaces. The like pairs of the adjacent working members are rigidly connected to each other by means of solid thread bushings. A method of assembling the downhole motor is effected with the use of a pre-adjusted working members by thread bushings ensuring the arrangement of the profile surfaces of the working members analogously to the profile surface of the single mono- lithic rotor and stator.
487163
Baldenko Dmitry F.
Bezlepkin Nikolai P.
Gusman Moisei T.
Potapov Jury F.
Semenets Valery I.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Vsesojuzny Nauchno-Issledovatelsky Institut Burovoi Tekhniki
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