SY/T 6450-2020 in English

This document provides recommended practices for the testing, setting, and repair of gas lift valves. It outlines procedures and guidelines to ensure the proper function and reliability of these valves in oil and gas operations. The content covers various aspects including inspection methods, performance criteria, calibration processes, and maintenance techniques. It is intended to be used by professionals involved in the design, installation, and maintenance of gas lift systems. The document serves as a reference for ensuring safety, efficiency, and consistency in the handling of gas lift valves throughout their operational lifecycle. It includes detailed information on the tools, equipment, and environmental conditions required for accurate testing and repair. The recommendations are based on industry experience and technical expertise to support best practices in the field.