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| 1 | 天然气藏盖层研究进展及发展趋势显示文摘从天然气藏盖层分类、盖层封闭机理、盖层封闭能力影响因素、盖层封闭能力定量评价的实验测试技术和地球物理研究方法、盖层封闭能力综合评价等几个方面,总结了近年来天然气藏盖层的研究进展,分析了盖层对天然气成藏的重要控制作用,并对天然气藏盖层研究发展趋势作了展望,指出加强天然气藏盖层研究,对于完善天然气成藏地质理论,指导天然气勘探,具有重要的理论和实践意义。 | 王晓波 李剑 王东良 胡国艺 方家虎 | 2010 | 新疆石油地质2010，31，6： | 12 |
| 2 | Effects of hydrocarbon physical properties on caprock’s capillary sealing ability显示文摘A new mechanics formula of caprock’s capillary sealing ability has been established in this paper, in which the boundary layer resistance was considered and characterized by starting pressure gradient. The formula shows that capillary sealing ability of caprock is determined not only by the capillary force of rock and the buoyancy of hydrocarbon column, but also by the starting pressure gradient of hydrocarbons and the thickness of caprock. The buoyancy of hydrocarbon column, the starting pressure gradient of hydrocarbon, and the capillary force of caprock are affected by hydrocarbon density, hydrocarbon viscosity, and hydrocarbon-water interface tension respectively. Based on hydrocarbon property data of reservoirs of Jiyang Depression and equations from literature, the effects of hydrocarbon density, hydrocarbon viscosity, and hydrocarbon-water interface tension on the sealing ability of caprock are analyzed. Under formational conditions, the sealing ability of oil caprock can vary up to dozens times because of the variations of the oil density, oil viscosity, and oil-water interface tension. Thus, the physical characters of hydrocarbon should be considered when evaluating the capillary sealing ability of caprocks. Study of the effects of physical characters on sealing ability of caprock can provide guidance to exploring special physical property hydrocarbon resources, such as viscous oils, and hydrocarbon resources in special pressure-temperature environments. | LinYe Zhang YouShu Bao Qing Liu ShouChun Zhang RiFang Zhu Lei Zhang | 2010 | Science China Earth Sciences2010，53，5： | 5 |
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