Method and apparatus for preventing surge in a dynamic compresso

Method and apparatus for real time compensation of fluid compres

Method and apparatus for shutting off a compressor when it rotat

Method and apparatus for the continuous regulation of rotary hyd

Method and system for upstream occlusion detection

Method for controlling slurry pump performance to increase syste

Method for detecting the occurrence of surge in a centrifugal co

Method for determining a centrifugal pump operating state...

Method for mitigating rod float in rod pumped wells

Method of controlling the air output of a screw compressor

Method of monitoring and controlling a well pump apparatus

Method to control sucker rod pump

Mini-environment control system and method

Monitoring of fluid flow

Motor controller for electrical submersible pumps

Motor-driven compressor provided with torque control device

Multi-constraint control of a compression system

Multiple piston pump control

Multiple piston pump with a constant discharge capacity

Multistage blowdown valve for a compressor system