• The pressure loss in horizontal borehole may have certain influences on production performance of fractured horizontal wells.

    水平井筒压力损失压裂水平井生产动态一定影响

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  • Real-time evaluating the stratum by the using LWD (Logging While Drilling) curve could ensure horizontal borehole extend effectively in the reservoir bed and improve rate of drilling.

    利用LWD曲线实时评价地层可以确保水平井井眼层中的有效延伸提高钻遇

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  • The horizontal lateral displacement of reinforced concrete or rail anti-slide piles is measured by setting up borehole incline-tube in pile.

    通过大截面钢筋混凝土钢轨抗滑桩身埋设钻孔斜管,监测得二类抗滑桩水平侧向位移

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  • The acoustic wave field excited by a pulsed point source in a fluid-felled borehole surrounded by horizontal multiple-layered media is solved by the send-analytical method.

    针对声波测井薄层探测的需要,半解析方法求解地层水平多层介质时柱状井孔内脉冲点源激发声场

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  • Horizontal well production forecasting formulas need to consider not only anisotropism and borehole eccentricity, but also the skin factor during drilling and completion process.

    水平井产能预测公式除了考虑储层各向异性偏心距影响因素外,还要考虑钻井井过程中产生的表皮系数的影响。

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  • During drilling horizontal well, usually adopt geometry steerable drilling technology to increase the penetration rate of borehole track in oil reservoir.

    水平井钻井中,通常采用地质导向钻井技术提高井眼轨迹油层中的穿透

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  • The relationship between pressure drop and flow rate doesn't obey Darcy's law around the borehole of horizontal Wells with high productivity.

    产量水平井井眼附近流量关系符合达西定律

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  • During course of in situ stress measurement, some problems such as core discing, minification and caving of borehole due to horizontal stress are appeared, and their mechanism is studied.

    现场地应力测量过程中发现了岩芯饼裂、钻孔径缩钻孔破碎塌孔现象,分析了这些现象的力学机理

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  • During course of in situ stress measurement, some problems such as core discing, minification and caving of borehole due to horizontal stress are appeared, and their mechanism is studied.

    现场地应力测量过程中发现了岩芯饼裂、钻孔径缩钻孔破碎塌孔现象,分析了这些现象的力学机理

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