borehole

And returns to the surface in the space between the drill pipe and the wall of the borehole.

然后通过钻杆和钻孔壁之间的间隙返回至地表。

Borehole images with associated dips have also been used in the interpretation.

在进行解释时会用到井壁成像和相关的地层倾角数据。

At the bottom of a deep well, the borehole might be 8 inches (20 centimeters) in diameter.

在深井的底部，钻孔的直径可达8英寸（20厘米）。

The depth of groundwater is referred to the existing ground elevation at the top of borehole.

地下水的深度是指从钻孔顶部计算的现有地面高程。

Whether the in-situ leaching method is successful depends on the quality of borehole engineering to a great extent.

地浸开采的成败很大程度上取决于钻孔工程质量。

When the fluid stops moving it forms a thick gel that suspends the rock cuttings and keeps them from sinking to the bottom of the borehole.

钻井液停止流动后，就会形成一种粘稠的凝胶体，这种凝胶体可使岩石钻屑悬浮在其中，从而防止它们沉入钻孔底部。

The volume close to the borehole wall in which some or all of the moveable fluids have been displaced by mud filtrate.

邻近井壁的地层体积。侵入带的一些或所有可动流体被泥浆滤液驱替。

The result of calculation indicated that the pore fluid property would bring great effect on the borehole stresses distribution.

通过计算表明，孔隙流体性质对井眼围岩的应力分布产生很大的影响。

A few thousand dollars spent on a borehole, a lifeline to the precious water deep underground, would transform those farmers' lives.

只要投资几千美元用于地上凿洞——能够得到一个宝贵的地下水的救生索，那么这将会改变那些农民的命运。

Further optimization of the borehole quality using new generation drilling assemblies is now possible.

目前，使用新一代钻井组件对钻孔质量进一步优化成为可能。

Precise control of borehole and annular pressure in HTHP wells is one of the important development directions of petroleum technology.

高温高压井井筒环空压力的精确控制是当今石油技术的一个重要发展方向。

Raw borehole data have to be deciphered to carry out auto-modeling from boreholes.

现有的钻孔自动建模算法要求对原始钻孔数据进行解译。

Seeing the borehole wall as the boundary, the heat transfer area of U-tube will be classified into inside part and outside part.

以钻孔壁为界，将U型埋管的换热区域划分为内外两个部分。

thus , the study of the acoustic field of the layer and fractures in and outside of a borehole is the theoretical base for sonic logs.

而研究具有分层和裂缝地层井内外声场的问题是声波测井的理论基础。

Others have articulated joints attaching them to the logging tool, with a backup arm to press the pad against the borehole wall.

另有一些极板需要使用连接装置才能和下井仪器相连，测井时需要使用推靠臂才能紧贴井壁。

The borehole trajectory design to be drilled well with defined direction needs to solve a set of 7-element nonlinear equations.

限定了目标点井眼方向的三维圆弧型井眼轨道设计模型是一个非线性代数方程组，通常需要使用数值迭代方法进行求解。

Lost time due to wellbore instability and tools lost in a borehole leads to higher drilling expenditures and delayed production.

由于井眼的不稳定和落入井眼的工具而造成的损失时间，会导致钻井费用更高以及生产的延迟。

Once the probe has been hauled up, a coring device will be lowered down the borehole to take samples of the lake floor sediment.

探头拖上来后，会把一个除芯机放到钻孔里，采集湖底沉积物的样本。

Different methods for the determination of initial rock stresses and the principle of its test borehole layout are also presented.

介绍了各种控制致裂测试钻孔布置原则及原岩应力的计算方法。

The mathematical relationship between X-ray activity and borehole parameters was inferred on an ideal borehole water model.

在理想井液模型上，推导出X射线活度与钻孔参数的数理关系。