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。
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。
Do salt deposition formulation in well bore using two equipment, analysis of influence factors of salt deposion in well bore.
采用两种装置模拟井筒结盐，分析了井筒结盐的影响因素。
In this paper the space circular are method for calculating the real trace of well bore is devided into chord and are methods.
本文将计算井眼实际轨迹的空间圆弧法分为弦步法与弧步法。
Generally, flow at high velocity around well bore in gas well is belong to non-Darcian flow which arising adding pressure drop.
通常情况下，气井井轴周围的高速流动为非达西流动，产生附加压降。
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。
To solve the problem of well bore cleaning during air and mist drilling, the test device is the key equipment and essential means.
解决空气雾化钻井井眼净化问题，试验架是关键装置、基础设备和必要手段。
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。
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 minimal amount of fluid carrying of gas well bore model and the continuous flow condition is acquired to limit minimal test production.
⑷采用最小携液量和低速非达西流连续流动条件限定最小测试流量；
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。
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。
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 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。
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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