Team introduction
There are 13 research and development staff in the Technical innovation team of safety assurance for pipeline and pipe network transportation of Ningbo Institute of Dalian University of Technology, including 8 professors, 4 associate professors and 1 lecturer. There is one expert who enjoys the special allowance of the State Council, one recipient of the National Science Fund for Distinguished Young Scholars, one winner of the National Ten Thousand Talents Plan "Top Young Talents", one winner of the Young Yangtze River, two winners of the National Science Fund for Distinguished Young Scholars, and two outstanding talents of the Ministry of Education in the across the new century. The team has strong innovation strength and organizational capability. It has long been engaged in research on technologies related to the field of pipeline transportation safety guarantee and safe exploitation of natural gas hydrates. In the past 10 years, it has cooperated with many enterprises such as CNOOC, Sinopec, CSIC and Ningbo Hongtai Water Resources, and has accumulated certain experience in enterprise cooperation and technology industrialization. The team has published 313 SCI papers with 4350 SCI citations and 10 ESI highly cited papers. 85 national invention patents have been authorized. The team won the second prize of the National Natural Science Award, the first prize of the Ministry of Education Natural Science Award, and the special prize and the first prize of the Marine Engineering Science and Technology Award as the main leader. At the present stage, the team is committed to developing comprehensive monitoring and detection technologies for pipeline corrosion, leakage and blockage. The team is working on the design and development of signal transmission and reception systems and the problems of signal processing and inversion under complex environmental noise. A fully functional equipment and technology system for pipeline blockage, corrosion and blockage monitoring has formed, which will help the construction of the International Resource Allocation Center in Ningbo.
Team leader
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Professor Zhao Jiafei: doctoral supervisor, outstanding youth of NSFC, director of Key Laboratory of Natural Gas Hydrate in Liaoning Province. He is mainly engaged in the research of safety assurance technology for deep-water oil and gas transportation, safe and efficient development of natural gas hydrate, new and efficient heat exchanger and energy storage technology. In the past 5 years, he has presided over 6 national projects, published more than 50 SCI academic papers as the first or corresponding author, with more than 2300 SCI citations. Many academic papers have been selected as ESI highly cited papers and he has been one of the Elsevier China highly cited scholars for more than five consecutive years. More than 20 invention patents were authorized, many of which were transformed and applied in CNOOC and other enterprises, and won one special gold medal at the 2019 Geneva National Invention Exhibition. In addition, the research achievements have also won one second prize of the National Natural Science Award, one first prize of the Ministry of Education Natural Science Award, one special prize and two first prizes of the Marine Engineering Science and Technology Award. One first prize of Liaoning provincial Natural Science Academic Achievement Award. He has been selected into the "Outstanding Youth" and "Excellent Youth" programs of the National Natural Science Foundation of China, the "Young Changjiang Scholars" of the Ministry of Education, the "Top Young Scholars" of the National Ten Thousand Talents Plan, the "Outstanding Scientific and Technological Youth" in the marine field, the Millions of engineering "100-level talents" of the Liaoning Provincial Project and other talent plans. He is one of the young editorial board members of Natural Gas Industry, the deputy editor in chief of Frontier in Energy Research, the deputy editor in chief of Journal of Geographic Research, a member of Engineering Thermophysical Heat and Mass Transfer Youth Committee of National Natural Science Foundation of China, the chief of Liaoning Natural Gas Hydrate Key Laboratory, and a member of Academic Committee of Dalian University of Technology. |
Team members
Team R&D direction
Pipelines are an important way of material transportation, and the safety guarantee of pipeline transportation is a key issue in oil and gas development, urban water supply and drainage and other industries. The team focus on key technologies of transportation safety assurance of pipelines and pipe networks based on the risk of corrosion, leakage and blockage faced by oil and gas pipelines, urban water supply and drainage transportation pipelines and pipe networks. The main contents include: developing integrated monitoring and detection technologies for pipeline corrosion, leakage and blockage (acoustic pipeline blockage and leakage detection technology, pipeline pressure wave leakage and blockage detection technology and distributed optical fiber pipeline integrated monitoring and detection technology), developing signal transmitting and receiving systems, overcoming signal processing and inversion problems under complex environmental noise, and forming a set of fully functional pipeline blockage, corrosion and leakage monitoring and detection equipment and technical system, and eventually the technical achievements will be transformed into mature products, which will help the construction of Ningbo International Resource Allocation Center.
Team research achievements and application fields
The team has carried out a series of research on the flow safety of deep-water hydrate pipelines in the past 5 years, and has made a series of original achievements: in view of the risk of plugging of oil and gas transportation pipelines and the problems of plugging detection, the team has built an experimental system for detecting pipe plugging acoustic wave and pressure wave. Also, a set of pipe plugging profile shape detection device and a set of pressure wave acoustic pipe plugging detection technology and equipment have been established. The plugging positioning error less than 0.3% and the detection error of clogging sectional area is less than 5%. Besides, the effective detection length exceeds 3km and the detectable clogging sectional area is more than 25%. In terms of the research on the mechanism of hydrate formation and blockage in the pipeline, the team has established the first high-pressure fully visible circulation pipeline system in the world and a set of high-pressure hydrate simulation blockage circulation monitoring and detection circulation pipeline. Based on the experimental equipment, the process of hydrate formation and blockage in the pipeline has been proved, the rule of hydrate formation and blockage in the pipeline has been revealed, and on this basis, the differential pressure monitoring technology for hydrate formation and blockage in the pipeline has been improved. In addition, the prediction method of hydrate formation and blockage in the pipeline is proposed. To solve the problems in early warning and monitoring of hydrate flow safety, a micro experimental testing system for hydrate growth kinetics characteristics was built based on X-ray CT, an experimental system for measuring the limiting precipitation velocity of hydrate was established, an experimental system for measuring the rheological characteristics of hydrate was established, and a software system for early warning and monitoring of natural gas hydrate flow safety was built. For the past few years, the team won one second prize of the National Natural Science Award, one first prize of the Ministry of Education Natural Science and Technology Award, one special prize and one first prize of marine engineering science and technology, and one special gold prize of the Geneva International Invention Exhibition. The team has undertaken six national key research and development projects, three national major science and technology projects, three 973 plan projects, three 863 plan projects, two key projects of the National Natural Science Foundation of China, one National Natural Science Foundation for Distinguished Young Scholars Fund, two National Science Foundation for Distinguished Young Scholars, and more than twenty general projects of the National Natural Science Foundation of China.
1. Application achievements
Characteristic technology 1: pipeline blockage detection technology by pressure pulse wave method (ZL201811627188.7)
To solve the problem of pipeline blockage detection, a pipeline blockage detection technology based on pressure pulse wave method is developed. By this method, the blockage location error is less than 0.3%, the blockage sectional area detection error is less than 5%, the effective detection length is not less than 5km, and the blockage sectional area can be detected more than 25%.
Characteristic technology 2: fidelity core shipborne detection system (ZL 201810505748.5)
In order to solve the problem of online detection of seabed cores, a shipborne detection system of fidelity cores is developed, which can realize fast real-time fidelity detection of hydrate cores.
2. Applications and promotion
The pipeline blockage detection technology based on the pressure pulse wave method, developed by the team, has been tested on site in Sinopec Qingdao Safety Engineering Research Institute, Tianjin CNOOC Technology Testing Company and relevant pipelines of Suizhong 36-1 offshore platform, which effectively proves the reliability and feasibility of the technology.
The fidelity core shipborne detection system that developed by the team has been applied in more than 10 enterprises, such as CNOOC Research Institute, Guangzhou Marine Geological Survey, CNOOC Engineering Investigation and Operation Company, CNOOC Deep Sea Development Company, and CNOOC Zhanjiang Branch, helping to complete the analysis of hydrate samples from more than 20 stations located in four belts of the South China Sea.
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