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A row of storage APPCO E-Tanks

E-Tank – Dry Bulk Material Storage Silo

Our e-tanks are designed to provide portable storage of frac sand and other oilfield/aggregate materials with easily movable and erectable configurations.

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APPCO™ e-tanks may be filled by a single conveyor system from either railcars or pneumatic trucks.

Our portable units provide up to 5,000 ft3 of storage per silo with a self-contained bucket elevator and dust collection system in an easily moveable and erectable configuration. Multiple sand storage units, when erected together, may be filled by a single conveyor system from either railcars or trucks.


  • Standalone cement mixing unit
  • 4,000 and 5,000 ft3 design options
  • Optional DCS-260 roof-mounted silo dust collector
  • Silo includes internal bucket elevator
  • Electric drive motor with torque arm speed reducer
  • Pressure Pumping and Cementing 24-hour Support Contacts

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