Detection and Analysis of Anodic Interference of an Oil and Gas Pipeline Cathodic Protection

Cathodic protection (CP) potential, ground potential gradient, temporary anode bed testing and soil resistansity measuring were used to detect the CP interference of a typical oil and gas pipeline cathodic protection. The results show that the interference belongs to the CP anodic interference type and the interference resource is a nearby CP anode bed which belongs to another CP system. Some valuable suggestions are put forward.