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- The filling pile drilling machine of KP2000 type applies to pore forming construction of various architectural base and shallow well with heavy caliber, vertical well of small coal mine, defense engineering bore using and other drilling projects. KP2000型灌注桩钻孔机适用于各种建筑基础成孔施工以及大口径浅水井、小煤矿竖井、国防工程用孔等钻孔工程。
- 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。
- Suitable for vertical well drilling goisting, cage channel of vertical well drilling, port load and unload derrick, and tower crane. 适用于开设立井提升、立井罐道港口装卸起重机、建筑用塔式起重机。
- Main Applications: Suitable for vertical well drilling hoisting. Cage channel of vertical well drilling, port load and unload derrick, and tower crane. 主要用途:适用于开凿立井提升、立井罐道及索道承重、斜井卷扬。
- Well bored! I went to Internet cafes, and tell you what! Humph! 好无聊！我去网吧了，告诉你一下！哼！
- The differential equation can be used to simulate the working state of the tensional section in the rotary slender drillstring in vertical well section. 利用该计算模型可以模拟石油钻井工程中旋转细长钻柱受拉段的工作状态，所得结果对钻井作业具有一定的指导意义。
- Study shows that horizontal well is better than vertical well for improving production result. 研究表明：水平井比直井更利于改善和提高油田开采效果。
- Two and three dimensional simulation studies have been done to evaluate waterflood oil recovery in a 40 acre 5 spot pattern using horizontal and vertical well systems. The three dimensional simulation results indicate that the parameters considered,i. 为了评价面积0.;16km2（40英亩）的五点井网水平井系统（水平注水井和水平生产井）和垂直井系统（垂直注水井和垂直生产井）注水开发的原油采收率，进行了二维和三维模拟研究。
- Taking into account the rotating effect of the drillstring, this paper presents a bifurcating differential equation for the rotating slender drillstring being in tension in vertical well section. 考虑到垂直井中钻柱受拉段在旋转时的转动效应，建立了顶部悬挂、受分布浮重作用的旋转细长钻柱的分岔微分方程。
- So the gradient of pressure decline in vertical well section and deviated well section is different, it aroused the gradient of fluid viscosity in the two sections has differentia. 在稠油流动过程中，压力损失主要表现为摩阻损失，因此，在定向井中，直井段和斜井段的压降梯度有所不同，流体粘度梯度在直井段和斜井段也有差异。
- The stability of directional well depends on the formation dip and trend, deviation and direction of well.In some weak\|face formations, vertical wells are much dif... 对斜井来说，地层走向、地层倾角、井斜方位和井斜角不同，其井壁稳定性也不同。
- She bore up well against all these misfortunes. 她在这一切不幸中表现得很坚强。
- Analytic solution is established to describe axial force distribution of strings helical buckled in vertical wells when slack down from the top. 用解析法建立管柱下放时的轴向力表达式,得出轴向力极限值。
- Because of deflection and unsymmetrical space around in horizontal and deviated wells, downhole flow status is much different from vertical wells. 摘要水平井、斜井由于井身倾斜以及井筒周围空间的非对称性使井下流动状态与垂直井极不相同。
- For coring crowns,electric coal drill bits,coal cutting picks,cone drill bits and scraping knife bitts,used in geological prospecting,coal mining and oil well boring. 适用于地质勘探、取心钻头、电煤钻、截煤机齿、石油牙轮钻和刮刀钻头。
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
- Comprehensive treatment of salt deposition in well bores in special block 复杂区块井筒结盐综合治理技术
- Abstract: Analyfc solution is established to describe axial forcedistribution of strings helical buckled in vertical wells when slack down from the top. 文摘:用解析法建立管柱下放时的轴向力表达式，得出轴向力极限值。
- Our apple trees will bear well this year. 今年我们的苹果树会结许多果实。
- Three types of response features occur during waterflooding, with highly deviated directional wells as production wells and vertical wells as injectors. 采用大斜度定向井采油,直井注水,在注水过程中油井呈现出常规型、突变型和波动型三种见效特征。
