1) inclined shaft with large displacement
大位移斜井
2) extended reach well
大位移井
1.
New model for forecasting drag and torque in Extended Reach Well.;
大位移井摩阻/扭矩预测计算新模型
2.
Analysis on friction drag and torque from extended reach wells and the influence on well drilling depth;
大位移井摩阻和扭矩分析及其对钻深的影响
3.
Optimization design methods of drilling strings in extended reach wells;
大位移井钻柱优化设计方法及应用
3) extended reach wells
大位移井
1.
In view of existing situation of the extended-reach wells (ERW), a new mechanics model for the torque and drag calculation of the whole drill-sting is established with gap element method in extended reach wells and it considers for drilling fluid, contact friction and local bending of drilling-string.
针对吉林油田大位移井的钻井实际,建立新的大位移井整体钻柱摩阻力分析的间隙元模型。
2.
To reduce the application of oil based drilling fluids in extended reach wells,water based drilling fluids was developed for Liuhua Oilfield.
为了减少大位移井对油基钻井液的依赖,研制出适用于流花油田大位移井的水基钻井液。
3.
Static pressure of fracturing fluid and wellbore frictional resistance in the procedure of fracturing the extended reach wells (ERW) is related to the wellbore trajectory, well deviation angle and operation condition etc.
大位移井压裂过程中的流体静压力、井筒摩阻等与井身轨迹、作业条件等因素密切相关。
4) ERW
大位移井
1.
This approach was used to calculate and analysis the case of Liuhua 11-1-17 B3 ERW4 well.
为适时监测井眼环空净化状况,结合国内外最新研究成果,建立了一套大位移井井眼净化监测和计算方法。
2.
Based on regular method and characteristics of ERW, the distinction of hydraulics design of ERW was analyzed.
基于常规水力参数设计理论,结合大位移井特点,对大位移井水力参数设计特殊性进行了分析;结合实际情况,对传统理论最小排量计算方法进行了修正,提出理论最大排量概念,进而提出更符合实际的优选排量范围确定方法;依据循环压耗计算原理,分析了大位移井循环压耗精确计算影响因素及其计算方法;在此基础上提出大位移井水力参数设计方法,并进行了实例分析。
3.
A Three layer model for cuttings transport in ERW is proposed based on the law of mass conservation and momentum theorem.
根据流体力学理论建立了大位移井三层稳定岩屑运移模型,模拟研究了环空返速、岩屑直径和井斜角等对岩床高度和环空压耗的影响规律,并与他人实验数据和模型进行了对比分析。
5) extended-reach well
大位移井
1.
Calculating model of torque and drag in extended-reach well;
大位移井摩阻扭矩计算模型
2.
Based on the comprehensive analysis of logging data,geological information and laboratory tests results,this paper studied the pore pressure,in-situ stresses and rock strength of Liuhua 11-1 oil field,analyzed the borehole stability during the drilling of shale and limestone payzones for extended-reach wells,and calculated the safe mud density window for the extended-reach wells.
大位移井钻井的主要技术难点之一是如何保持井壁稳定,井壁稳定与否是关系到一口井成败的关键。
3.
Casing wear is one of the inevitable problems during the drilling process, especially more serious in deep wells, ultra-deep wells, high-angle wells, and extended-reach wells, etc.
深井、超深井、大斜度井、大位移井等高难度井逐渐普及,其钻柱工作时间的延长以及井眼轨迹的变化使得套管磨损问题日益突出,而磨损位置的不同会对套管强度降低的程度产生重要影响。
6) mega-extended-reach well
超大位移井
1.
Method of casing wear prediction for Liuhua mega-extended-reach wells in South China Sea.;
南海流花超大位移井套管磨损预测方法
2.
Casing program design of mega-extended-reach wells is complex,and in order to design in reason its casing program,based on the principle of pressure balances in the casing program design in the vertical wells,the relationships among pore pressure,fracture pressure and annular pressure loss in the long open-hole section with high inclination in mega-extended-reach wells are discussed.
超大位移井井身结构复杂,为合理设计其井身结构,从垂直井井身结构设计的压力平衡原理出发,针对大斜度井段垂深变化小且裸眼井段很长、大斜度裸眼井段最容易在测深最大处被压裂的特点,通过计算钻井液的当量循环密度,研究了超大位移井大斜度裸眼井段的地层压力、破裂压力和环空压耗之间的关系,得出套管最大下深及允许最大环空压耗的计算公式。
补充资料：斜井
见矿山井巷。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条