查询词典 outer casing

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。

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.

钻杆接头与套管摩擦磨损问题的理论与试验研究套管磨损

Spraying are the main products: plastic shell fan, microwave plastic casing, electronics, said plastic shell,machine learning machine plastic shell, lighting and so on plastic casing.

现主要喷涂产品有：风扇塑料外壳、微波炉塑料外壳、电子称塑料外壳、早教机学习机塑料外壳、灯饰塑料外壳等等。

Every output end has a second casing tube, a filter plate and a collimator and the filter plate and the collimator are in the second casing tube.

每一输出端具有一第二套管、一滤波片与一准直器；其中准直器与滤波片皆设置于第二套管内。

This would benefit much more for in tubing and casing strength design than just using the API 5C3 standard, because it can not only avoid the material loss but also guarantee the safety and reliability of tubing and casing material; moreover, it can provide important reference for the engineers to optimize the strength design and improve the quality in the manufacture of tubings and casings.

这要比单一用API 5C3设计油管、套管强度更合理，既避免了材料的浪费又能保证材料的安全可靠性。

Processing company main products are: a variety of steel grade, multi-threaded type of coupling casing oil, petroleum oil pipe coupling, oil casing thread processing.

公司加工的主要产品为：多种钢级、多种螺纹类型的石油套管接箍、石油油管接箍、石油套管的螺纹加工。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。