Defender® seals

Built to operate in extreme downhole environments

Defender seal extends operational life of motors used with ESPs by equalizing downhole pressure and preventing wellbore fluid migration to the motor.

Case Study: Laramie County, Wyoming

Achieves 400% increase in pressure drawdown compared to gas lift

Exit ports on top of the seal utilize the swirling effect of fluids to remove solids and abrasive materials, protecting shaft seals and radial bearings
Specially designed, high-capacity expansion chambers reduce motor oil loss due to downhole thermal cycling
Premium ultra-high load thrust bearings in both unidirectional and bidirectional configurations increase run life
Tungsten carbide bearings and premium mechanical seals maximize run-life performance

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