E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 4/02 (2006.01) F03C 1/30 (2006.01) F03C 1/38 (2006.01)
Patent
CA 2428458
A compressed fluid driven downhole cam motor (1) of the type used during drilling/service operations in the ground, comprising an intermediate casing (4), a distributing valve (26), a rotor (18) and two or more pistons (48) arranged radially and distributed with equal or unequal separation about the central axis of the rotor (18), whereby the pistons (48) located in the same radial plane constitute a set of pistons, and where two or more sets of pistons are arranged side by side along the longitudinal axis of the rotor (18).
Cette invention concerne un moteur à cames entraîné par liquide sous pression (1) pour fond de trou du type utilisé pendant les opérations de forage/service. Ce moteur comprend un carter intermédiaire (4), un distributeur (26), un rotor (18) et au moins deux pistons (48) disposés radialement, avec un nombre égal ou non de séparations, autour de l'axe central du rotor. Les pistons (48) situés dans le même plan radial constituent un ensemble de pistons, avec au moins deux ensembles de pistons disposés côte à côte le long de l'axe longitudinal du rotor (18).
Bakke Oil Tools As
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