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- The prediction model of coiled tubing fatigue life. 连续油管疲劳寿命预测模型的建立。
- The heat transfer of steam in a helically coiled tube with stratified film condensation is investigated theoretically. 对水蒸汽在蛇管内分层流膜状冷凝传热进行了理论分析和实验研究。
- Coiled Tubing Operations in Oil and Gas Well Services. 提供了挠性油管的设计及操作推荐作法。
- A new method for fatigue reliability analysis of coiled tubing. 连续油管疲劳可靠性分析的新方法。
- A study of the dryout characteristics in forced convection boiling in electrically heated horizontal helically coiled tube is reported. 在中低压条件下,对卧式放置螺旋管中汽-水两相流烧干特性进行了实验研究,探讨了螺旋管内烧干机理。
- The paper expatiates the technical index being thought over when optimizing and collocating the coiled tube and gives out some principles being taken into acco... 本文阐述了连续油管设备优选和配置需考虑的技术指标,并给出了配置连续油管设备时应考虑的原则。
- The manufacturing technology of coiled tube in foreign utility boiler works was introduced, and its comparison with domestic manufacturing technology was carried out. 介绍国外几家电站锅炉制造厂蛇形管制造工艺，并同国内的制造工艺进行简要比较。
- The secondary flow induced by centrifugal force and the wall heat conduction around the dryout points are the dominant mechanisms of dryout in a helically coiled tube. 烧干首先在管圈出口处发生,然后再扩展到上游。在同一截面上,烧干首先在管圈前侧和后侧发生。
- The coil tube method can be well used to resolve this problem and the handled ink powder has the regular shape and good liquidity. 盘管处理方法能够很好的解决这个问题,处理后的墨粉具有规则外形和良好的流动性。
- In the apparatus, an insert dewar joined directly to a coiled tube of liqeid nitrogen dewar. The dry nitrogen gas is pressed to the liquid nitrogen and the cooled nitrogen gas is jetted to the sample tube. 其原理是把插入式杜瓦直接插在液氮杜瓦的螺旋管上,将干燥氮气压入液氮中,然后把冷却后的氮气流喷在样品管上,使样品管的温度降低。
- Modelling the diametral growth of coiled tubing under the action of an internal pressure. 连续油管在内压作用下直径增长模型的建立。
- The coiled tubing fault tree is constructed based on field investigation and relevant literature by use of the fault tree analysis theory. 结合现场调研和有关文献资料，根据故障树分析理论，用演绎法建立了连续油管的故障树。
- More accurate calculation of pressure loss in narrow annuli of slim holes and coiled tubing operations is required. 在小眼井和连续油管作业的窄环空中，要求更加准确地计算摩擦压降。
- In this paper,formula for determining strain energy of coiled tubing during reeling is derived. 推导了用于确定挠性油管在缠绕过程中的应变能计算公式。
- In the end ,some advice that amplifies the uses of coiled tubing units is put forword. 提出了尽快开展连续油管作业技术应用研究的必要性和实现连续油管设备国产化的建议。
- In order to increase coiled tubing work time,the structure in coiled tubing system is improved without... 改进连续油管作业装置的结构,不用导向架是延长连续油管使用时间的有效途径。
- Abstract: The formula for analyzing the stability of coiled tubing in horizontal well is deduced with consideration of boundary conditions. 文摘:考虑端部约束条件，建立了连续油管在水平井中的稳定性方程。
- The formula for analyzing the stability of coiled tubing in horizontal well is deduced with consideration of boundary conditions. 考虑端部约束条件，建立了连续油管在水平井中的稳定性方程。
- The manufacturing process of coiled tubing and its applications in well drilling , completion,washover and logging are introduced. 介绍了挠性油管的制造工艺和制造过程及其在钻井、完井、修井、测井等特殊作业中的应用情况。
- The coiled tubing fault tree is constructed based on field investigation and relevant literature by use of the fault treeanalysis theory. 结合现场调研和有关文献资料，根据故障树分析理论，用演绎法建立了连续油管的故障树。
