Therefore, the overall storage and transport system for petrochemical oil and gas ( including underground pipelines ) must maintain normal operation to ensure the safety of facilities and the risk of shortage of transport and distribution supplies. In order to maintain the safety of underground pipelines, the Company refers to international specifications (e.g. API, POF, ASME, NACE, DNV-GL, etc.) for pipeline safety management, integrated pipeline integrity detection methods are: intelligent tube detection (IP), close potential (CIPS), AC current attenuation detection (ACCA), pressure test (PT) external corrosion direct assessment (ECDA), etc.
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