In high temperature sintering , on the one hand, big across hole is formed by gas closed in porosity that passes through molten glass phase, and mechanical properties is declined.
高温烧结时，一方面，熔化的玻璃相被封闭气孔中的气体穿过形成贯穿大孔洞，削弱高温烧结时的力学性能；
By solving the mechanical model, the casing bearing forces can be obtained under the conditions of different hole types, mud density, casing suspension length and casing running ways.
通过对模型的求解，可以得到不同井眼类型、泥浆密度、悬浮长度以及不同下套管方案下的套管受力，为大位移井下套管作业提供了力学参考。
It still is a difficult subject for most drilling engineers to predict and control well path by applying the mechanical analysis of bottom hole assembly and the rock-bit interaction model.
利用下部钻具力学分析和钻头与地层相互作用模型来预测和控制井眼轨道对于大多数钻井作业来说仍是一个难题。
To the problems occurring at using down hole mechanical sample noil and gas Wells, aptitude microelectronic high pressure sample has been studied.
针对油气井井下机械取样器在使用过程中出现的问题，研究开发出了智能型微电子高压物性取样器。
And then workout the computational programme to identify the salt rock rheological models and mechanical property inversion, well hole diameter shrinking rule.
编制了盐岩流变模型辨识及力学参数反演、井眼缩径规律的计算程序。
A mechanical floating is used because of instrument, water quality and down hole tools that make in-correct result measured or instrument blocked down hole.
使用机械浮子井下流量计经常因仪器、水质、井下工具等问题，造成测试资料不准或因卡住仪器而修井。
A reasonable mechanical design of the main die body was given on the basis of considering every determining factors such as the bore hole condition (casing or not).
并根据井眼条件(有无套管)等方面因素，对打捞主体的机械结构进行了合理设计。
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。
Note: for mechanical seal, in most cases, due to evaporation from seal leakage of fluid leaking hole in observation, but sometimes a small amount and stable leakage is allowed.
注意：对于机械密封，在大多数情况下，由于汽化导致从密封泄液孔处观察不到泄漏，但有时少量而又稳定的泄漏是允许的。
It is unable to solve the strain seismic wave of bore hole by wave equation because the mechanical characters of the media models inside and outside bore hole can not be determined.
由于钻孔内外的介质模型的力学性能不能测定，不能用波动方程来解钻孔应变地震波。
On one hand, the hole made on side decreased the initial stress, and increased the mechanical sensitivity of the diaphragm.
侧面开孔一方面降低了振膜的初始应力，提高振膜的机械灵敏度。
The pure polymer gel has low mechanical strength, but the new multi-function composite gel has high mechanical strength, which can control the down-hole loss circulation effectively.
纯粹的聚合物凝胶力学强度相对较低，而新型多功能复合凝胶的力学强度相对较高，能有效的解决井下地层漏失。
Mechanical sticking can be caused by junk in the hole, wellbore geometry anomalies, cement, keyseats or a buildup of cuttings in the annulus.
机械卡钻可能由井眼内的碎屑、井眼内几何形状异常、水泥、键槽或者岩屑在环空中的积聚等引起。
The results show that the expansion screen completion is more advantageous in open hole completion than in cased hole completion compared with the mechanical sand control completion.
本文结合理论分析和实验来研究膨胀筛管完井后产能，并与一般机械防砂方式进行了分析对比。
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，并对力学模型进行了求解。
The tips can either be solid or with a central through hole, depending on whether brazing or mechanical clamping is employed for mounting the tip on the shank.
根据将 刀尖装配在刀杆上是通过用铜焊还是机械 卡装，刀尖可以是实心的或是带有中心通 孔的。
Mechanical method is a category of measuring residual stress. In the category, hole-drilling method, ring-core method and dissecting method are commonly used.
机械法是测残余应力的一类方法，其中常用的有盲孔法、环芯法和剖分法。
Mechanical method is a category of measuring residual stress. In the category, hole-drilling method, ring-core method and dissecting method are commonly used.
机械法是测残余应力的一类方法，其中常用的有盲孔法、环芯法和剖分法。
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