Gas recovery by replacing trees with pressure master valve technology and its application in Sulige gas field

Gas recovery by replacing trees with pressure master valve technology with simple, low cost, no gas to a job injury, and other advantages, this article from the Sulige Gas Field, technical principles, technical parameters, difficulties encountered during field operations and treatment, there are risks, results were discussed in detail. The past two years, take advantage of this technology successfully replaced in Sulige Gas Field and gas tree main control valve 14, with practical and efficient features, thorough rectification of inner leakage in gas well gas production tree master valve security risks.