Stabilized down hole drilling motor

Details Stabilized down hole drilling motor Stabilized down hole drilling motor

2007-11-27

2007-11-27

Thompson, Kenneth (Department: 3672)

Boring or penetrating the earth

With below-ground tool drive prime mover

Fluid rotary type

C175S325500, C175S092000, C166S241600

Reexamination Certificate

active

11353865

ABSTRACT:
A down hole drilling motor includes a stator housing having an exterior surface, an upper end, a lower end, an upper vane mounting region at the upper end and lower vane mounting region at the lower end. An upper mounting sleeve engages the upper vane mounting region, such that rotation during use brings the upper mounting sleeve into contact with an upper contact shoulder. A lower mounting sleeve engages the lower vane mounting region, such that rotation during use brings the lower mounting sleeve into contact with a lower contact shoulder. A plurality of vanes are secured to each of the upper mounting sleeve and the lower mounting sleeve.

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