Bottom hole pressure changes complicatedly in suction well of double porosity reservoir.

双重孔隙介质油藏油井抽汲生产将使井底压力变化十分复杂.

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The new bottom hole control valve design.

新型井下采油控制阀设计.

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This is BHA [ bottom hole assembly ] log .

这是井下钻具组合的 记录本.

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The basic assumptions, equations and boundary conditions for bottom hole assembly ( BHA ) analysis were discussed.

讨论了下部钻具组合分析的基本假设 、 基本方程和相应的边界条件.

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When the bottom hole pressure decreases to a critical value, the matrix will begin to yield.

随着井底流压降至某一临界值, 岩石骨架开始出现屈服.

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Selection of Downhole - Deployment - Valve and its running depth are closely related to the pressure at bottom - hole.

套管阀的选型以及下入深度都与井底压力有着密切的关系.

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The motion and force of cone bit is extraordinary complex on bottom hole.

牙轮钻头在井底工作时的运动状态和受力情况是相当复杂的.

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The critical buckling load is influenced by the pattern of bottom - hole assembly directly.

下部钻具组合的具体方式将直接影响其所能承受临界失稳载荷的大小.

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A photoelectric auto - analyzer for surveying 3 - D features of the bottom hole pattern is presented.

提出一种用于井底模式探测与分析的光电三维面形自动测量系统.

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A new type bottom hole assembly is provided for high angle deviated and hard formation.

为大倾角硬地层易斜区防斜打快提供了一种新型的钻具组合类型.

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The bottom hole assembly, drilling parameter and hole trajectory control method in the application are discussed.

探讨了应用该技术时所采用的钻具组合 、 钻井参数及井眼轨迹控制方法.

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