Optimization of Liquid Level Control Method and Instrument Selection for Sour Gas Well Separators in Northwest Sichuan
Since the production of high-pressure sulfur-containing gas wells in northwest Sichuan,the liquid level control valves of separators in each gas production single well have all adopted a two-position control method.During the initial stage of production,the operation was normal,but gradually there were faults such as wear of the control valve,jamming of valve stem connections,and failure to act.To address the above issues,this article compares and analyzes the application effects and adaptability from three dimensions:liquid level detection instruments,separator control valves,and liquid level control methods,and summarizes a set of recommended practices for liquid level control of high-pressure sulfur-containing gas well separators.And the research results have been widely applied in similar high-pressure sulfur-containing gas wells with good results.This has found a new solution for the liquid level adjustment of various separators,and can also provide reference for the design of similar devices.
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