Compressor station is a set of facilities and equipment to boost gas pressure during its production, transportation and storage.

A CS process flowchart includes gas treatment units, compressor shops and air coolers. The compressor station equipment operation is supported by flowlines with shut-off and control valves, a lube oil system, actuation, fuel and impulse gas make-up units, a power supply system, etc.

According to the type of operations, there exist booster (main) CSs, gas trunkline (line) CSs, underground gas storage CSs, gas reinjection CSs.