FIELD: engines and pumps.
SUBSTANCE: oil protection system of downhole motor includes chamber with casing and seals and which is filled with lubricating oil, and downhole motor mechanisms installed in the chamber and protected against drill fluid. In the chamber there installed are waste product collection magnets located in one or several planes formed with the casing and rigidly installed inside the casing with one or several annular elements.
EFFECT: reducing wear and tear, improving lubrication conditions of mechanisms and increasing downhole motor life time.
3 cl, 2 dwg
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