Mud motor
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United States of America Patent
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-
Mar 4, 2003
Grant Date -
Sep 5, 2002
app pub date -
Mar 1, 2001
filing date -
Mar 1, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A fluid powered drilling motor adapted for drilling oil wells and other subterranean bore holes. The motor having a rotor and a stator wherein the iron content of the whole motor is less than 0.1% wt. In one embodiment the motor is made of an alloy having a base metal comprising one of copper, nickel, and aluminum plus about 0.05-10 wt % Beryllium. In another embodiment, the motor is made of either 15Ni-8SN--Cu or 9Ni-6Sn--Cu.
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