查询词典 casing spear

Clamp the pen casing and blade casing onto the cutter head respectively and tighten them with screws

将笔套与刀套均分别夹在切割机机头上，拧紧螺丝

There is no slip of viscosity liquids in casing and tubing under the condition of gas flowing out of casing head in gas-venting wells.

摘要在套管放气状态下，环空中液体相处于停滞状态，液相和油套管之间不存在相对滑动，受油套管粗糙度影响的雷诺数失去原有的意义，不能直接应用石油工业中常用的多相流计算方法。

During the process of development and production in the Kela-2 gas field, the production casing head pressure and technical casing head pressure of some single wells have increased abnormally.

克拉2气田在开发生产过程中，部分单井出现生产套压、技术套压异常升高的现象。

SPOOL, CASING HEAD: CASING HEAD; 13-3M

套管四通。套管头13-3M

Casing pressure,Casing head pressure

井口套管和油管环形空间内的压力。

Based on the characteristics of casing annulus gas-venting wells, the particularity of multi-phase flow in the condition that the casing-head gas flows through a nearly stagnant liquid was investigated. Based on the theory of Taylor bubble, a model to calculate void fraction and pressure gradient in various viscosity liquids was developed. This model is applicable to bubbly flow and slug flow.

以泰勒气泡在黏滞流体中的上升流速作为主要依据，建立了不同油黏度下套管环空放气流动的截面含气率和压降计算模型，并提出了不同黏度、不同气油比的套管定压放气井环空流动计算及套管压力分布的多相流模型，该模型主要适用于泡流和段塞流。

The stress fields' distribution of the casing, cement, perforation and oil layer and the relationship between thestress of casing and the quantities of sand production were established in the paper.

大量出砂使地层结构承载能力下降，导致套管内外压力变化，在热应力的作用下，引起套管弯曲，使得局部应力集中，从而使出砂层段及周围的套管应力增加。

This paper studies the crank press on with magnesium alloy casing of the sheet metal stamping die design phones and technology system, studied blank temperature, mold temperature, lubrication conditions, and other factors of the magnesium alloy casing phone Stamping quality.

本文研究了在曲柄压力机上用镁合金板材冲压手机外壳的模具设计和工艺制度，研究了坯料温度、模具温度、润滑条件等工艺因素对镁合金手机外壳冲压质量的影响。

Drilling time will be lasted and lateral force on casing exerted by drill pipe will increase in case of drilling deep well, ultradeep well, high inclined hole, extended reach well and horizontal well, therefore, friction and wear between casing and drill pipe became a severe problem.

在深井、超深井、大斜度井、大位移井及水平井中，钻井时间延长、钻柱作用在套管上的侧向力增高，因此套管和钻柱的摩擦与磨损问题越来越突出。

ABSTRACT Drilling time will be lasted and lateral force on casing exerted by drill pipe will increase in case of drilling deep well, ultradeep well, high inclined hole, extended reach well and horizontal well, therefore, friction and wear between casing and drill pipe became a severe problem.

在深井、超深井、大斜度井、大位移井及水平井中，钻井时间延长、钻柱作用在套管上的侧向力增高，因此套管和钻柱的摩擦与磨损问题越来越突出。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。