SY/T 6970-2013 in English

Scope

This specification applies to the following parts of the ground gathering and transportation system of high-containing hydrogen sulfide gas fields where the volume fraction of hydrogen sulfide in natural gas is greater than or equal to 5%:
　——gathering and transportation pipeline systems;
　——station facilities;
　——purification plants. This specification is applicable to corrosion monitoring methods such as weight loss coupon method, test nipple, resistance method, linear polarization method, electrochemical noise method, inductive probe, electronic fingerprint measurement technology, hydrogen penetration method and ring-to-ring corrosion monitoring.