宁伏龙
天然气水合物勘探开发、油气钻井工程。
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- 姓名:宁伏龙
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学科领域:
地质学
- 研究兴趣:天然气水合物勘探开发、油气钻井工程。
宁伏龙,男,1977年生,博士,副教授,美国ACS和SPE会员,OOI通讯会员。2000年本科毕业于中国地质大学(武汉)勘查技术与基础工程专业,2005年在该校获地质工程博士学位,同年留校任教。2009-2010年受国家留学基金委全额资助在挪威科技大学从事博士后研究工作。,研究方向为天然气水合物勘探开发、油气钻井工程。科研上先后承担和骨干参与国家自然科学基金项目,“863”计划课题、教育部新世纪优秀人才计划、博士点基金课题、博士后基金项目、中国地质大学(武汉)优秀青年教师资助计划、“211”工程建设等10多个课题研究工作。此外,还骨干参与国家精品课程《岩土钻掘工程学》和国家重点学科—地质工程的建设工作。发表学术论文30余篇,申请专利8项,出版教材1部。2011年埃尼奖(Eni Award 2011)提名候选人,获湖北省科技进步三等奖1项,博士论文《天然气水合物地层井壁稳定性研究》获2006年省优博士论文。先后访问过美国PNL、LBNL国家实验室和佐治亚理工学院(Georgia Tech)。
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16
宁伏龙, Fulong Ning, Kirill Glavatskiy, Thijs Vlugt, Signe Kjelstrup
241st ACS National Meeting & Exposition.:,-0001:
-1年11月30日
Eight rigid/nonpolarizable water models and three methane potentials were tested respectively for lattice parameters of sI full-occupancy methane hydrates. The results show that the combination of TIP4P/2005 water model and DACNIS united-atom methane potential can reproduce the lattice parameters which are closest to the experimental values and achieve the balance between relatively accurate results and computational time. And then we report extensive calculations of the isothermal compressibility and thermal expansion of the full-occupancy sI methane hydrates, CO2 hydrates and their mixture hydrates by rescaling energetic parameter for methane-water interaction. The results show that with the increase of CO2 percentage, the compressibility and expansion of hydrates increases and bulk modulus decreases accordingly. The effect of hydrate volume variations perhaps cloud not be neglected during the recovery methane from methane hydrates in deep oceans by using CO2 to replace methane, especially on the phase equilibrium and the mechanical stability of sediments.
molecular dynamics simulation, gashydrate, lattice parameter, compressibility, expansion
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宁伏龙, Fulong Ning, Kirill Glavatskiy, Thijs Vlugt, Signe Kjelstrup
241st ACS National Meeting & Exposition.:,-0001:
-1年11月30日
Eight rigid/nonpolarizable water models and three methane potentials were tested respectively for lattice parameters of sI full-occupancy methane hydrates. The results show that the combination of TIP4P/2005 water model and DACNIS united-atom methane potential can reproduce the lattice parameters which are closest to the experimental values and achieve the balance between relatively accurate results and computational time. And then we report extensive calculations of the isothermal compressibility and thermal expansion of the full-occupancy sI methane hydrates, CO2 hydrates and their mixture hydrates by rescaling energetic parameter for methane-water interaction. The results show that with the increase of CO2 percentage, the compressibility and expansion of hydrates increases and bulk modulus decreases accordingly. The effect of hydrate volume variations perhaps cloud not be neglected during the recovery methane from methane hydrates in deep oceans by using CO2 to replace methane, especially on the phase equilibrium and the mechanical stability of sediments.
molecular dynamics simulation, gashydrate, lattice parameter, compressibility, expansion
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宁伏龙
,-0001,():
-1年11月30日
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58浏览
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宁伏龙
,-0001,():
-1年11月30日
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51浏览
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宁伏龙, Fulong Ning, Ling Zhang, Yunzhong Tu, Guosheng JiaJang, Maoyong Shi
Journal of Natural Gas Chemistry 19(2010)234-240,-0001,():
-1年11月30日
One of the main challenges in deep-water diJlling is gas-hydi-ate plugs, which make the diJlliilg unsafe. Some oil-based clfilling finds (OBDF)that would be used for deep-water dlfilling in the South China Sea were tested to investigate the characteristics of gas-hydi-ate formation, agglomeration and inhibition by an experimental system under the temperature of 4 o C and pressure of 20 MPa, which would be siiullar to the case of 2000 m water depth. The results validate the hydiate shell formation model and show that the water cut can greatly fiNuence hydi-ateformation and agglomeration behaviors in the OBDF. The oleophobic effect enhanced by hydiate shell folmation which weakens or destroys the interfacial films effect and the hydi-ophilic effect are the dominant agglomeration mechanism of hydi-ate particles. The formation of gas hydrates in OBDF is easier and quicker than in water-based drilling fluids in deep-water conditions of low temperature and high pressure because the former is a W/O dispersive emulsion which means much more gas-water interfaces and nucleation sites than the later. Higher ethylene glycol concentrations can inhibit the formation of gas hydi-ates and to some extent also act as an anti-agglomerant to filhibit hydi-atesagglomeration in the OBDF.
oil-based drilling fluids, gas hydiates, water cut, fomation and agglomeration, inhibitor
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宁伏龙, Fulong Ning, Nengyou Wu, Guosheng Jiang, Ling Zhang, Jin'an Guan, Yibing Yu and Fenglin Tang
Energies 2010,3,1861-1879;10.3390/en3121861,-0001,():
-1年11月30日
A method is proposed that uses renewable solar energy to supply energy for the exploitation of marine gas hydrates using thermal stimulation. The system includes solar cells, which are installed on the platform and a distributor with electric heaters. The solar module is connected with electric heaters via an insulated cable, and provides power to the heaters. Simplified equations are given for the calculation of the power of the electric heaters and the solar battery array. Also, a case study for the Shenhu area is provided to illustrate the calculation of the capacity of electric power and the solar cell system under ideal conditions. It is shown that the exploitation of marine gas hydrates by solar energy is technically and economically feasible in typical marine areas and hydrate reservoirs such as the Shenhu area. This method may also be used as a good assistance for depressurization exploitation of marine gas hydrates in the future.
marine gas hydrates, solar energy, gas production, Shenhu area
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