Authordevelops asoftwareusing above and simulates breakage of wellbore and designs densitywindowofdrillfluid.

利用该软件可以模拟井眼破坏过程和设计钻井液密度窗口.

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Signal transmission is the principal part of automatic control system for wellbore trajectory.

信号传输是井眼轨道自动控制系统的重要组成部分.

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In the drilling operation, wellbore stability mostly occurs in the mudstone and shale section.

钻井工程中的井壁稳定问题大多发生在泥页岩井段.

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It has several advantages of simple wellbore structure, convenient operation and high heat efficiency.

该工艺具有井筒结构简单 、 工方便、热效率高等优点.

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This paper presents a technology of producing heavy oil by means of heating wellbore.

提出了一种以井筒加热为目的的稠油开采工艺.

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The temperature and pressure distribution of the fluids along the pipeline and wellbore are calculated.

结果表明,随着地面注汽管线和井深的增加,过热蒸汽的过热度和压力明显下降.

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Following the predict study, we programmed the " air drilling wellbore stability analysis system. "

在前面分析的基础上开发了 “ 空气钻井井壁稳定性分析 ”.

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It discussed problems about wellbore structure, BHA, bIt'selection, drilling parameters and so on.

探讨了小眼井井身结构 、 钻具组合 、 钻头选型 、 钻井参数等问题.

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And wellbore instability also influences the perforation and sand production, ect in the reservoir development.

井壁失稳还影响固井,油藏开发中的射孔、防砂 、 采油和油井增产等后序作业的实施.

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In much stress element of creating wellbore stability, mud density is only can controlled.

而在造成井壁失稳的诸多力学因素中, 钻井液密度是唯一可以控制的因素.

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Economical and technological fracturing methods are chose after wellbore temperature test and cold harm experiment.

对井筒温度场和冷伤害试验的研究选用经济合理、技术可行的压裂改造工艺.

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In drilling engineering, drill pipe often sticks in salt formation because of wellbore shrinkage.

在钻井工程中, 盐岩层井眼易发生缩径卡钻.

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Yield front propagates away from the wellbore with the process of sand production.

屈服带随出砂量的增加沿井径向外扩张.

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