Pipeline transportation is the main transportation method of oil and natural gas. It is listed as one of the five transportation methods together with road, railway, maritime and aviation. It has the advantages of large transportation volume, economical and environmental protection, closed safety, easy management, and easy implementation of remote centralized monitoring.

Oil and gas pipelines are transported in different media

It can be divided into crude oil pipeline, refined oil pipeline and natural gas pipeline.

According to conveying distance and use

It can be divided into mine gathering pipelines, long-distance transmission pipelines (referred to as long-distance pipelines), and urban gas pipelines.

According to the pressure pipe installation permission category

It can be divided into long-distance pipelines, public pipelines, industrial pipelines, power pipelines, etc.