It is most important to accurately determine the well bore path and effectively control the layers while horizontal well drilling.
在水平井作业过程中，准确判断井眼轨迹方向，有效控制层位尤为重要。
A mechanical model for well bore stability is established based upon mechanical analysis.
从力学分析入手，建立了井壁稳定问题的力学模型。
Measuring devices for a number of parameters were set up in different positions all along the well bore.
沿井眼不同位置设置测量点。 每一测量点可以测量若干参数。
This model can be used to analyze the rule of fluid flow near well bore in the elastic-plastic oil reservoir.
该模型可用于研究井眼周围储层的变形及渗流规律。
For Coal Bed Methane (CBM) production, the pore passage must be established between natural fracture and well bore.
开采这种气体必须在煤层的天然裂缝与井筒之间建立起有效的连通孔道。
Information transmission along well bore plays a very important role in measuring and controlling a well trajectory.
地面与井下的信息传输是井眼轨迹监测与控制的重要环节。
In sticky oil production, economy, efficiency, environmental protection for well bore to reduce density is very important.
在稠油开采中，经济、有效、环保的井筒降粘技术是十分重要的。
The system can save insulating cost and reduce heat loss using heat-exchanger in well bore and casing heat-exchanger on surface.
该系统采用采水井内换热器和地面套管式换热器，既可节省保温费用，又可减少散热损失。
It is difficult to dig rock in sinking well due to the requirements of protecting well bore and achieving effective crashing of rock.
沉井井筒内水下开挖岩石技术难度大，既要保护井筒不受损伤，又要达到岩石破碎效果。
The well bore temperature distribution in condensate gas well is dispensable for the node analysis and performance analysis for gas well.
凝析气井井筒温度分布是进行气井节点分析和动态分析必不可少的参数。
The well bore temperature distribution in condensate gas well is indispensable for the node analysis and performance analysis for gas well.
凝析气井井筒温度分布是进行气井节点分析和动态分析必不可少的参数。
The CO2 phase change between liquid and gas in well bore flow has significant effects on temperature and pressure distribution in well bore.
CO2在井筒流动过程中的气液相变对井筒温度、压力分布的计算有较大影响。
The device is comprised of transparent well bore, hoisting mechanism, gravel packing device, data acquisition system and image processing system.
该装置由透明模拟试验井筒、起升系统、砾石充填设备、数据采集和图象处理系统五大部分组成。
During the producing process of a horizontal well, fluid flow in well bore and stratum filtering flow have the restraining and effecting actions.
在水平井生产过程中，井筒内管流与地层渗流互相制约、互相影响、互为边界条件，从而构成了一个完整的水动力学体系。
Optimizing wellbore trajectory design is the key link to ensure the quality of well bore, decrease accidents in well hole and lower drilling cost.
优化井眼轨道设计是保证井身质量，减少井下事故，降低钻井成本的关键环节之一。
Analysis result of high productivity gas Wells in Luojiazhai shows temperature effect of well bore as the key factor affecting well head pressure.
罗家寨高产气井测试分析结果认为井筒的温度效应是影响井口压力的关键因素。
The results of numeral simulation show the hydraulic cutting techniques can reach the purpose to unload the zones near the well bore sufficiently.
数值模拟结果表明，水力割缝技术可达到使近井地带充分卸压的目的。
Because of the big stratigraphic dip in the well Dong 9, it is hard to keep the well bore quality by means of conventional deviation control measures.
东9井由于地层倾角大，用常规防斜措施难以保证井身质量。
This technology can do repetition measurement of well bore track, determine drilling direction and window cutting direction of sidetrack well and so on.
该技术可用于井身轨迹复测、钻井定向和侧钻井开窗定向等。
Meanwhile, underground cycle temperature is also related to the pressure balance in a well, the stability of well bore and the design of casing and string.
同时它还与井内压力平衡，井壁稳定，套管和钻柱强度设计密切相关。
The finite element method is used for computing the displacement of well bore near the oil reservoir in the horizontal fracturing well with 1 ~ 3 fractures.
用有限元法分别对有1 ~3条水平裂缝井眼在压裂时油层附近的井眼位移分布进行了计算。
Then not only the problem of queer dot at the well bore is avoided, but also the radius of influence domain (R) of the depression cone is convenient to deduce.
利用基于流量的相似方法分析了井流场中的渗透情况，此方法以流量作为未知函数，不仅避开了井口奇点问题，而且还可根据实际情况方便地推导出降落漏斗的影响区域半径（影响半径R）。
Because the formation fluid can not seep in well bore, people find out reservoir usually by cuttings logging, gasometry logging, core analysis, fluorescence etc.
由于地层流体不能进入井筒，过平衡钻井时要确定油气层一般都通过岩屑录井、气测录井、岩心分析、荧光等来实现。
The calculation methods for the fluid temperature increment in the submersible electric pump and the temperature gradient along the well bore are also developed.
给出了电潜泵内流体温升及井筒中流体温度梯度的计算方法。
The results show inorganic scale is calcium carbonate and scale in down hole and well bore area is the most severe. It agrees with practical situation basically.
结果表明，油井无机结垢类型主要是碳酸钙垢，结垢最严重区域为油井井底及近井带，与实际情况基本吻合。
Set up well bore temperature field model and permeability anisotropic formation temperature field model, and put forward some instructive advices for acidizing job;
建立了注酸过程中水平井井筒温度场模型及渗透率各向异性地层温度场模型，提出了对酸化施工有指导意义的结论和建议；
In this paper, a numerical method to describe the distribution of pressure and temperature in the well bore with downhole-choke from wellhead to bottom was established.
对有井下节流装置的气井动态分析的研究，首次提出采用井口采集数据，从井口向井底计算井筒内的压力温度综合值的计算方法。
To inhibit scale formation in oil well, a new type of solid scale inhibitor, which can be hung to oil pump in well bore, was made mainly from phosphonic type inhibitors.
研究了以膦酸盐防垢剂为主要材料的、可悬挂于抽油泵下面使用的固体防垢块。
Fracture diagnosing technique is mainly classified into: direct far field fracture diagnosing, direct near well bore fracture diagnosing and indirect fracture diagnosing.
裂缝诊断的方法主要可分为：直接的远场裂缝诊断技术、直接的近井筒诊断技术、间接诊断方法。
Fracture diagnosing technique is mainly classified into: direct far field fracture diagnosing, direct near well bore fracture diagnosing and indirect fracture diagnosing.
裂缝诊断的方法主要可分为：直接的远场裂缝诊断技术、直接的近井筒诊断技术、间接诊断方法。
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