borehole
The quality of borehole directly influences the effect of blasting.
钻孔质量的好坏,直接关系到爆破效果的优劣。
Borehole fluid holdup defines what type of reinvasion occurs.
井内流体持率决定发生二次侵入的类型。
A borehole image of rock layers indicating an underground point bar.
指示某地下曲流沙坝的一幅岩层钻孔图像。
Borehole magnetic technique has been widely used in geology and CCSD.
井中磁测技术在地质、大陆钻探等方面都有广泛的应用。
A new method for measuring the borehole water holdup is given in this paper.
论述了一种新型的油井持水率测定方法。
Borehole hydromining is a kind of safe and efficient new mining method .
钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法。
The acoustoelectric effect of rock is investigated with experimental method in model borehole.
在模型井中对岩石的声电效应进行了实验研究。
Orientation is very important for a seismometer, whether it is installed on surface or in borehole.
摘要无论地震计在地表或是井下使用，都必须精确定向。
In modern logging several different kinds of measurements are taken simultaneously in a borehole.
现代测井操作在一个钻孔中同时进行多种不同的测量。
The priority is on keeping the exposed rock formation in the borehole stable while avoiding the loss of drilling fluid.
此时的重点是要保持钻孔中裸露岩层的稳定,同时还要避免钻井液流失。
Point bars modeled in a North Texas gas field on the basis of borehole and seismic images.
根据钻孔和地震图像建立的德克萨斯州北部某气田中的曲流沙坝模型。
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)。
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。
The borehole must be drilled at correct place, and the gas pressure will be relieved.
没有卸不了压的瓦斯，只有打不到位的钻孔。
The paper briefly introduced the initial application of MDT borehole testing technology in Dagang Oilfield.
该文概要介绍了MDT裸眼测试技术及在大港油田的初步应用情况。
The undisturbed soil is usually sampled through excavating shaft and adit,but through borehole sampling for deep soil.
目前 ,在工程实践中对原状土样的采取多通过开挖竖井及平洞的方法进行 ,但在埋深较大的情况下 ,由于开挖竖井及平洞较为困难 ,多采取钻探取样的方法。
HRS88-1, borehole is another Quaternary borehole drilled after Shun-5 bore hole in the north of the Beijing Plain.
HR88－1孔是北京平原区北部继顺5孔之后，又一重要的第四系钻孔。
Empirical formula for shirinkage throat of borehole is also provided based on the analyses of data of tow projects.
文中还就两项工程的钻孔缩颈资料进行了分析，给出了钻孔缩颈经验公式。
But in deep well drilling practices of long open hole,the homogeneous gns generally invades borehole.
但在一些长裸眼段深井的钻井实践中，常常会遇到均匀气侵溢流。
Some technical measures to increase flow of water in the borehole are analyzed in the light of hydrogeology.
同时,从水文地质学角度剖析了提高钻孔涌水量所能采取的技术措施。
During the open and shut in period of a gas well, the gas flow within the borehole changes into transient flow.
气井开、关井过程中,井筒内气体的流动为瞬变流动,气体的压力、温度等流动参数是井深和时间的函数。
Finally, the synthetic seismogram is updated by iterating correlation with the seismic traces nearby borehole.
实际资料的试处理验证了所用方法和算法的有效性。
The sound propagation in fluid-filled borehole is a rationale of acoustic well logging technology.
充流体裸眼井模型中的声场传播是声波测井技术的理论基础之一。
It showed that eccentric pressure is produced by eccentric decouple charge blasting on borehole wall.
实验结果表明，偏心不耦合装药在孔壁上形成明显的偏心应力场。
The time-delayed collapse mechanism of shale borehole was analyzed by theory of hydraulic-chemical effects.
摘要应用力学／化学耦合理论对泥页岩井壁延迟坍塌机理进行了分析。
The model is liquid in a borehole surrounded by equiaxial crystallographic anisotropicis formation.
本文研究井内为流体井外为对称轴垂直于(111)面的裂隙各向异性地层(等轴晶系)测井问题模型。
The software RFPA is used to simulate the borehole burst, and to validate the critical pressure.
用RFPA软件对煤样钻孔冲击进行了数值模拟研究,验证了钻孔冲击试验得出的临界压力。
Title： Acoustic log moveout correction based on variation of borehole diameter.
关 键 词： 声波测井;环境校正;井径;扩径;时差;异常;
Shear wave logging tools use dipole radiation in the borehole to generate flexural waves in formation.
针对高频散的挠曲波,将基于模拟退火的优化方法引入阵列偶极子测井资料处理中,以得到横波时差。
A young boy prepares to drink clean water from a borehole in Harare, Thursday, Dec. 11, 2008.
2008年12月11日，津巴布韦哈拉雷，一名男孩在喝水管中的水。
The borehole breakout is most believable one among many methods of measuring stress orientation.
测量应力方向的多种方法中,目前应以井壁崩落给出的结果最为可信。
Good economic efficiency can be obtained when this mud is applied in borehole wall sloughing in water sensitive shales.
该体系可解决强水敏页岩的井眼失稳问题 ,具有良好的经济效益。
Artificial borehole diaphragm wall and reverse construction method are adopted according to the characteristics.
根据此特点,选择人工成孔地下连续墙逆作法施工。
Reinvasion is mainly evident when the borehole fluid type is different from the dominant fluid type in the formation.
当井内流体类型和地层中主要流体类型不同时，二次侵入才非常明显。
The overcoring method in deep borehole is one of the robust 3D geo-stress measuring methods at home and abroad.
运用深钻孔套芯解除法对阳江抽水蓄能电站进行了三维地应力测量,并将测试结果与水压致裂法进行了比较。
When a borehole is full of water, C/O values decrease with increasing borehole diameter or case size.
当井内流体为水时，井径或套管直径的增大，C/O值减小；
Being a deformation measurement with high resolution, borehole tiltmeters should be installed far away from disturbance sources as far as possible.
摘要作为一种高精度的形变观测，钻孔倾斜观测点必须尽可能避开干扰源。
This paper describes traveltime and amplitude image characteristics of borehole ultrasonic imaging, and gives an application example in Hong Kong area.
阐述了钻孔超声成像的走时和振幅图像特征，给出了1个在香港地区的应用实例。
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 model can be used to determine formation pore pressure and the optimum drilling fluid density to stabilize borehole.
利用该模型可确定地层孔隙压力和保持井眼稳定的最优钻井液密度等参数。
The algorithms of clipping, intersection and translation are also given when the dault demarcation line crosses the path of a borehole or an adit.
对于地质剖面图中断层分界线遇到钻孔或平洞的情况,文中建立了它们的求交、平移和裁剪算法。
Its main functions are maintaining borehole gage,improving drill string stability and protecting lower drill string from excessive wear.
其重要作用是保持钻头尺寸符合标准，提高钻杆稳定性，避免钻杆下部过于磨损。
The characteristic and mechanical properties of pretensioned cable with small borehole anchored by resin and grout are summarized.
介绍小孔径树脂与注浆联合锚固预应力锚索的特点和力学性能。
P-wave AVO, especially azimuthal AVO, converted-wave AVO of borehole, VSP, and crosswell seismic are sensitive to fractures.
纵波的AVO属性,尤其是方位AVO属性、井孔或VSP和井间地震的转换波属性,对检测裂缝发育程度具有较好的敏感性。
The application of inter borehole acoustic wave method to probing deep cracks in mass concrete can effectively solve the above mentioned problems.
而应用声波跨孔法进行大体积混凝土结构的深裂缝检测可有效地解决上述问题。
The paper presents the case of borehole explosion project in XIQiao dock in Nanhai city executed by Wuzhou Navigation Affairs Engineering Department.
介绍在南海西樵码头港池钻孔爆破工程施工的情况。
Preferable effect was realized by using lesser dosage.Problem of Visbreaking in borehole and surface delivery was resolved.
以较少的加药量实现了较好的乳化效果，实现了井筒降粘以及地面管输变的问题。
Researched geology data, I found the borehole enlargement rate is large when some complicated agential is contained in formation.
统计数据表明，包含这些复杂因素的地层井眼扩大率都比较大。
Practice proves that EME method use to check effectiveness and Unload with borehole to prevent rock burst is reasonable.
通过现场的应用证明了电磁辐射法对岩爆的危险性进行评价及预测预报、爆破卸压措施防治岩爆发生是可行、有效的。
It is easy to get reasonable fluid inflow performance of a well and can provide foundation to optimize borehole design for field staff.
该方法不但简单,而且在允许的误差范围内可以得到比较符合实际的结果,为现场工程人员进行井筒优化设计提供依据。