Patent ID: 10697278

Abstract:
A gas injection optimization system is provided. The optimization system is designed to control a volume of gas injected into a wellbore in connection with an intermittent gas-lift system. The system includes a gas storage vessel residing at the surface, and a series of pressure transducers. The system additionally includes a controller configured to receive pressure value signals from the transducers, and in response, send control signals that cyclically open and close a well flow control valve at the surface. When the well flow control valve is closed, compressible fluid is injected into the gas storage vessel to load the vessel. When the well flow control valve is opened, a volume of injection gas (VR) is released from the vessel and is injected into a wellbore annular region to push a volume of fluids (VS) residing in the tubing string to the surface. A method for optimizing gas injection into a wellbore in support of an intermittent gas-lift operation is also provided herein.