大学英语词汇短语释义解析及例句 bottom hole
释义：
bottom hole 底孔，井底；下部孔；底部炮眼
例句：
The sand bailer is also used as a bottom hole sampler.
捞砂筒也可用作业井底取样器。
The device can move the seal part from the bottom hole to the wellhead.
该工具将密封部位由井底移至井口，适用于各种规格的大直径套管固井。
The stress level is the key factor that affects the fatigue life of bottom hole assembly.
钻具组合在井下所承受的应力水平是影响其疲劳寿命的一个关键因素。
When the flowing 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。
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。
The monitor can automatically measure the annular liquid level changes at well head, and then calculate the bottom hole pressure.
该仪器能够从井口自动监测抽油井内环空液面深度变化，通过分析计算获得井下压力的恢复情况。
The reservoir information from flow response on condition of stable bottom hole pressure helps to determine reservoir information.
定井底流压下流量响应所反应出的油藏信息，有助于确定油藏参数。
The bottom hole pattern of a well is the aggregation of the pits on the bottom rock cut by the bit teeth in the course of drilling.
井底模式就是钻头在钻凿岩石的过程中，钻头牙齿在井底岩石上打出凹坑的集合。
The borehole deviation correction technique with bottom hole assembly and its application in Xinjiang oil Well YX-1 were introduced.
介绍了井底钻具组合纠偏技术及其在新疆YX - 1油井中的应用。
Validity and feasibility of the finite difference time domain method is demonstrated by the echo-wave signal of a flat bottom hole block.
通过与平底孔试块实际缺陷回波信号的对比，验证了脉冲超声波有限差分法模拟计算的有效性和正确性。
In routine overbalanced drilling, the bottom hole pressure towers above the formation pressure so that the mud fluid will leak into the formation.
常规过平衡钻井方式打开油气层时，井底压力高于地层压力，钻井流体会向地层渗滤甚至漏失。
The bottom hole flow physical model of a kind of PDC coring bits is established considering the effect of junk slot and teeth layout in this paper.
以一种现场常用的PDC取心钻头为原型，充分考虑排屑槽和切削齿对于井底流动的影响，建立了与实际相接近的PDC取心钻头井底流场的物理模型。
The bench test of three-cone bits and analysis of their bottom hole patterns are the simplest and useful means of checking and improving their design.
三牙轮钻头地面台架试验与井底模式的分析是对牙轮钻头设计的合理性进行检验与改进的最简便又较真实的方法。
The abandonment formation pressure(AFP) of gas well is usually calculated by stable productivity equation and abandonment flowing bottom hole pressure.
通常人们采用气井某一时刻的稳定产能方程结合废弃井底流压来计算废弃地层压力。
Darcy's law indicates that formation pressure of an oil well has some correlativity with wellbore fluid producing volume and bottom hole flowing pressure.
达西定律表明，油井地层压力与井筒产液量和井底流压具有相关性。
A mechanical model of bottom hole assembly (BHA) with eccentric bits is established and the solution of this model was given by means of numerical method.
采用静力分析的方法，建立了偏心钻头底部钻具组合的力学模型，并完成了对力学模型的求解。
The tangency point of Bottom Hole Assembly is located at where the drill string just touches the wall of the borehole, and the contact force is zero here.
在计算底部钻具组合的受力和变形时，以前一般都是按弯矩为零的条件来确定其上切点的位置。
The rule of reservoir pressure distribution and bottom hole flowing pressure alteration of a periodic trial-produce well in infinity subterranean formation.
无限大地层中—口间歇试采生产井的地层压力分布及井底流压变化规律；
With the selection of a gas liquid computational model to calculate bottom hole pressure and compare with observed pressure, its relative error is less than 2%.
选用气液两相计算模型计算井底压力并和实测井底压力进行了对比分析，相对误差均小于2 %；
The force and deformation of bottom hole assembly (BHA)are calculated by the gap-element method, in consideration for the bending effect and contact state of BHA.
考虑下部钻具组合的弯曲效应和接触状态，运用间隙无法对下部钻具组合进行了受力变形计算。
The practice proved that the technology can reduce flowing bottom hole pressure, minish interlayer interference under reasonable injecting-producing pressure system.
实践证明，在合理的注采压力系统下，潜油电泵可以应用于低渗透油田。
