Abstract: During the twelfth "Five-Year Plan", the technologies of oil and gas storage and transportation were greatly promoted with the fast development of CNPC's gas storage and transportation business. In the aspect of dispatch and control operation, the centralized dispatch and control of large scale pipeline network is realized and Realpipe simulation optimization software is developed. In the aspect of safety maintenance, the integrity technology system based on risk prevention and control is established, oil and gas pipeline monitoring and detection technologies are improved continuously and significant achievements have been made in the reliability research of large-scale oil and gas pipeline network systems. In the aspect of localization of key equipments, compressor sets, large-diameter ball valves and large-scale petroleum pumps are manufactured domestically on the whole. The localization rate of key equipments is over 90% and the application rate of some domestically manufactured equipment is over 75%. During the thirteenth "Five-Year Plan", new opportunities and challenges will emerge in the developing of CNPC's oil and gas pipelines. A series of technological research will be carried out, including pipeline network reliability, operation optimization, safety monitoring, corrosion protection, energy saving & environmental protection and performance improvement of domestically manufactured equipments, to increase the maturity of technologies and guarantee the safe and efficient operation of oil and gas pipeline networks.