• The research cutting window sidetrack drilling cementing quality has important significance for improving oil development result, extending the production life of oil well and reducing the cost.

    研究开窗钻井固井质量提高油气开发效果延长油井使用寿命降低成本具有重要意义

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  • The mathematical model for evaluating sidetrack horizontal well drilling is developed by using the fuzzy mathematical theory and analytical hierarchic process.

    针对侧钻水平井钻井的特点,应用模糊数学理论层次分析方法,建立了侧钻水平井钻井综合评价模型

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  • Developed step by step, the technology of sidetrack drilling horizontal well in slim-hole is relatively mature, whole it's fist time to apply it in Dagang oilfield.

    小井侧钻水平井技术经过不断完善已基本成熟,但大港油区应用首次

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  • This technology can do repetition measurement of well bore track, determine drilling direction and window cutting direction of sidetrack well and so on.

    技术用于轨迹复测钻井定向钻井开窗定向等。

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  • It's difficult to sidetrack in the deep well in salt bed, especially the creeping of the gypsum-salt bed, hole diameter reduction and collapsion etc. are the biggest barriers for sidetrack drilling.

    井盐层中进行侧钻困难较大,膏蠕动、缩垮塌不稳定性侧钻最大障碍

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  • It's difficult to sidetrack in the deep well in salt bed, especially the creeping of the gypsum-salt bed, hole diameter reduction and collapsion etc. are the biggest barriers for sidetrack drilling.

    井盐层中进行侧钻困难较大,膏蠕动、缩垮塌不稳定性侧钻最大障碍

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