Gas lift is a method of artificial lift that uses high-pressure gas to lift the well fluids. Gas injected into the tubing reduces the density of the fluids in the tubing, and the bubbles have a “scrubbing” action on the liquids, lowering the flowing bottomhole pressure.

Gas is injected continuously into the production conduit, mixing with the produced well fluid, decreasing the density and the flowing pressure gradient of the mixture from the point of gas injection to the surface. A reliable, adequate supply of good quality high-pressure lift gas is mandatory.

The control valve requires continuous modulation to adjust the flow and pressure of injected gas. The Rotork CMA actuator is designed for 100% duty cycle and can operate with precision, even for continuous modulating application.