Wells – Brushing – scraping – cutting or punching-type cleaners
Patent
1992-09-29
1993-08-24
Bui, Thuy M.
Wells
Brushing, scraping, cutting or punching-type cleaners
E21B 3700
Patent
active
052380610
ABSTRACT:
A gas operated apparatus having a gas supply supplying gas power, a stabilizer for aligning the apparatus in a well, a gas powered motor connected to the conduit for actuating the motor and a bit driven by the motor for rotating in a well. The motor includes a gas inlet, a pressure regulator, a governor, a vane rotor and stator, planetary gears and a power output for rotating the bit at a proper rpm and torque.
REFERENCES:
patent: 5168929 (1992-12-01), Galloway
Johnson, Jr. Howard E.
Moore Brian K.
Strihafka Louis A.
Bui Thuy M.
Camco International Inc.
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