This part of Q/SY 29 specifies the technical requirements for regional cathodic protection design.
This part is applicable to the regional cathodic protection in the field, station and storage of petroleum and natural gas production enterprises, other buried metal structures can also apply.
This part of Q/SY 29 specifies the technical requirements for regional cathodic protection design.
This part is applicable to the regional cathodic protection in the field, station and storage of petroleum and natural gas production enterprises, other buried metal structures can also apply.