Motor solves challenges for robust, high temperature applications
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BEI Kimco Magnetics recently met the challenging high-performance motor
requirements for a Down Hole Measurement While Drilling (MWD)
application. With oil companies drilling deeper than ever before to
obtain increasingly valuable deposits, components within the drill tool
must deliver reliable operation at the most extreme ambient
temperatures.
Key to the down hole tool string design was a motor capable of extended
operation at elevated winding temperatures of up to 220 °C and
pressures approaching 30,000 PSI. The motor would be used to position a
sensor that would take measurements of the materials encountered during
the oil exploration operations.
To meet the manufacturer’s
requirements, BEI Kimco developed a High Performance Motor measuring
3.0” in diameter x 8.5” in length with a custom housing and dual shafts
for gearbox and resolver mounting. High energy samarium-cobalt magnets
were utilized to provide high operating efficiencies and superior
corrosion resistance. The motor was also designed for operation while
filled with oil to compensate for the high pressures. These tailor-made
features combined to provide a highly robust solution.
www.beikimco.com
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