Abstract: On the 50th anniversary of 8.3 Pipeline Project, the 50-year development process of China's oil pipeline technology was reviewed, the scientific research and engineering application results of several technologies were sorted out, i.e. the closed operation and water hammer control & protection technology of oil pipeline, transportation technology of high pour-point and viscous crude oil, batch transportation and optimized operation technology of oil products, design, commissioning and operation technology of hilly pipelines, and operation simulation technology of oil pipeline, and the future development goal of oil pipeline transportation technology was summarized. The future development of intelligent oil pipeline was prospected and the relevant suggestions put forward were as follows: determining a mode of uniform data platform to be built for national pipeline network system, forming professional industrial software suitable for oil and gas pipelines, developing an intelligent decision-making system based on massive data + AI algorithm, establishing the construction principles, targets and application evaluation methods for the digital body and consciousness body of the oil pipeline system, establishing national pipeline and equipment failure database and release platform, developing selfcontrollable online and offline analysis and prediction software of large-scale oil pipeline network based on data and mechanism model, studying the coordinated operation of the domestic and foreign SCADA systems and the large-scale application technology of domestic softwares, and developing the energy-saving and efficiency-increasing technologies of large-scale oil and gas pipeline networks under precise management. All of the above suggestions are expected to provide a reference for the construction of a large intelligent interconnected pipeline network.