Abstract:

This paper introduced the necessary condition and procedure of natural gas branch pigging, and indicated difficulties and treatment measures accordingly. The purpose of pipeline pigging is for the preparation of pipeline internal inspection. By pigging and internal inspection, potential risk will be determined. Implement natural gas branch technical prevention measurements, underline specific rectification objective. And eventually enhance high pressure pipeline potential risk treatment measurements.

Key words:

natural gas branch pipeline, online pigging, technology preparation, operation protection