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- The ranges of rational submergence depth and pump setting depth are presented for Fuyang reservoir of Xinli oilfield. 并得出了新立油田扶杨油藏合理沉没度和合理下泵深度的范围。
- The examples show that a reasonable range of pump submergence depth can save us a lot of materials and lengthen the working life of the oil well. 实例表明,油井保持合理的沉没度不仅节约大量的材料,而且油井免修期明显延长。
- This paper points out the calculating formula and statistical method for the biggest and smallest submergence depth of pumper during polymer flooding. 本文给出了聚合物驱时,抽油机井泵的最小沉没度和最大沉没度的计算公式和统计方法。
- Submergence depth is one of the most important parameters which has great influence on the production efficiency of oilfields. 沉没度是影响油田生产效率的重要参数之一。
- Every field in China has its own referenced submergence depth for oil well pumps, some of them are irrational, and have resulted in a certain waste. 我国各油田对于抽油泵的沉没度都有各自的推荐值,其中有些是不合理的,以致造成一定的浪费。
- Increasing the submergence depth of SEN can effectively restrain interfacial oscillations in mold, while mold width has little effect on it. 增加水口浸入深度对抑制吹氩下界面波动作 用明显, 而结晶器宽度对此影响较小;
- The significance of studying the changing rules of submergence depth is that it can tighten up the management of oil wells and increase the output of crude oil. 研究油井沉没度变化规律,对于加强油井管理,提高油田产量具有重要的意义。
- The model of variability of submergence depth is established based on the law of volume balance, and the changing trends of parameters like submergence depth etc are analyzed. 本文研究了油井流入动态关系,根据井筒内液量平衡原理,建立了沉没度变化的数学模型,分析了沉没度等参数变化规律;
- By analyzing the impact factors of the vertical vortex,the relational expression between the formed type of vertical vortex and the intake Froude number,the circulation number and the submergence depth are founded. 通过分析旋涡形成的影响因素;建立了立轴旋涡的形成和类型;与佛汝德数、环量数和淹没水深三个参数的关系式.
- According to the principle of material balance in well bores the method of dynamic simulation to describe the changing rules of submergence depth is established in the paper based on SIMULINK. 在现有研究基础上,根据井筒内物质平衡原理,建立了基于SIMULINK下沉没度变化规律的动态仿真方法。
- For preventing cantation, some measnres, such as controlling cperating method of ogee gate and increasing submergence depth back of gallery and fixing aeration devices etc., have been saggested. 为此,建议通过控制阀门快速启闭操作方式、增加阀门后淹没水深或布置掺气设施等措施减免空化强度。
- Physical model tests were carried out to examine the validity of the numerical model.Then under different submergence depth, the mooring line force of gravity cage in waves arecalculated and compared. 第七部分对重力式网箱下潜后的水动力特性进行了数值模拟研究,并分析了波浪作用下,下潜深度对网箱锚绳受力的影响。
- According to submerging depth, the pumps are classed as lead bearing segment shaft structure and non-lead bearing long shaft structure. 根据液下深度的不同,泵分为无导轴承悬臂轴和有导轴承分节轴两种结构。
- Its submerged requirement is overtopped lockage, thus submerged depth unnecessary for upstream surface over the top of inlet. 现就此观点进行研究和探讨,供商榷。
- Optimization design method to determine submergence depth of sucker rod pump 有杆抽油泵沉没度的优化设计方法
- Designing the submergence depth of sucker rod pump with curve fitting 应用曲线拟合法确定有杆泵沉没度
- This creature lives in the depth of the ocean. 这种生物生活在海洋深处。
- I was out of my depth in that class. 在那个班里我跟不上。
- The young man dived to a depth of 40 feet. 那个青年人潜到四十尺的深度。
- We should discuss the problems in depth. 我们应该深入地讨论这些问题。