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Experimental And Numerical Investigation Of Liquid-Assisted Gas-Lift Unloading, Renato Peixoto Coutinho
Experimental And Numerical Investigation Of Liquid-Assisted Gas-Lift Unloading, Renato Peixoto Coutinho
LSU Doctoral Dissertations
The case for a unique form of gas-lift unloading, termed “Liquid-Assisted Gas-Lift (LAGL),” is presented. This work demonstrates that the injection of a gas-liquid mixture allows transport of gas to a deep injection point utilizing injection pressure considerably lower than single-phase gas injection. The LAGL is demonstrated in a 2,880 ft deep test well. The test well is kicked-off using an injection pressure that would normally be lower than the pressure for single-point single-phase gas injection at this depth. Experimental results indicate that the LAGL can lower the injection pressure by up to 75%.
This work breaks the LAGL system …