| 摘要 |
A system for the recovery of oil bearing fluid materials from an oil well is disclosed comprising a pump, a storage tank arranged to receive fluid materials from the pump, a drive unit connected to the pump for delivering a drive torque thereto to operate the pump at a corresponding operating speed, a controller for controlling the drive unit and receiving signals from sensors, a tank level sensor for sensing the level of fluid in the storage tank, the tank level sensor in communication with the controller for dispatching a tank level signal representative of the tank level, a speed sensor for sensing the operating speed of the pump, the speed sensor in communication with the controller for dispatching a speed signal representative of the operating speed, and a torque sensor for sensing the drive torque, the torque sensor in communication with the controller for dispatching a torque signal representative of the drive torque, the controller configured to calculate, at regular time intervals.
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