套管

通过现场检测和腐蚀产物X衍射分析，对文10－1井套管的腐蚀原因进行了探讨。

The causes of corrosion of casings at " Wen Well 10-1 " were studied by visual examination of the corroded casing pipe and x-ray analysis of corrosion products .

通常规定，油层套管射孔后裂孔率不得超过30%，孔裂长度最长不得超过90mm。

Normally , the maximum crack length after perforation of casing pipe must not exceed 90mm ;

一种叫做套管针的工具在腹壁上刺了一个孔。

An instrument called a trocar makes a puncture in the abdominal wall .

温度传感器密封在保护套管中。

The temperature sensor is enclosed in a protective well .

本机适于粘扣带，松紧带，塑胶拉练，纸带，塑胶带，排线，套管

Suitable for cutting hook & Loop fastener , elastics , plastic zipper paper , plastics .

介绍一种环保型喷嘴燃油熔铜反射炉，利用炉盖式套管提升机构实现封闭式熔炼。

A kind of environmental protection fuel melting copper reverberatory furnace with spray nozzle is introduced .

API螺纹锥度偏差对套管柱使用性能的影响

Effect of API Thread Taper Tolerance on Functional Performance of Casing Pole

重油气化U形套管冷却器的改造

Retrofit of Cooler with U-Shaped Jacket in Heavy Oil Gasification

HT高密封性特殊螺纹套管在气井中的应用

Application of specially-threaded casings in natural gas wells

小Ra数时套管间距对自然对流影响的实验研究

An Experimental Study of the Influence of the Gap Spacing on Natural Convection in Horizontal Annuli at Small Ra Numbers

无机粉体材料改性CPVC高压电力电缆护套管的研究

CPVC protecting pipes for high-voltage power cables modified by inorganic powder materials

ZrO2光纤套管材料的改性

Modification of ZrO_2 Optical Fiber Ferrule Materials

把光纤Bragg光栅（FBG）封装于薄金属套管中以保护光栅，把封装后的FBG贴于2种建筑钢筋上，用拉伸机拉伸钢筋。

The fiber Bragg gratings ( FBG ) are coated with thin metal tube for protection and adhered to two different constructional bars .

由新日铁ERW套管看我国高钢级ERW套管的发展

The Development of China High Grade ERW Casing From the View of Nippon ERW Casing

动态下材料的脆化倾向增强，动态断裂韧性KⅠd随冲击载荷速率的变化因材料的不同而不同，是研究高能冲击载荷下石油套管开裂及其预防的有效手段。

The brittle tendency of material will be increased under dynamic condition and the dynamic fracture toughness K ⅰ d is a method to solve the oil casing fracture under high energy impact load .

Marc软件的高度非线性功能对本文的复杂力学系统进行了一系列的计算机仿真模拟研究，为复杂地层套管破坏机理研究提供了简便、可行的方法。

Marc software with high nonlinear function , thus providing a simple , convenient and feasible method for studying the casing damage mechanism in complex formations .

结果双侧腋静脉交替留置套管针完全可以达到PICC的理想静脉通道的效果且费用低。

Results The method of alternant indwelling trocar in bilateral axillary veins could reach the satisfactory clinical effects with lower medical costs than PICC .

N80级石油套管在线形变热处理工艺

On-line Thermomechanical Treatment Process for N-80 Grade Oil Casing

对套管式CO2气体冷却器进行微元建模研究，将每一个微元的出口状态作为下一个微元的入口状态，从而确保准确计算CO2气体冷却器中流体状态的动态变化。

Establishing a micro-element model to the tube gas cooler , setting the exit stage per micro-element model as the entrance stage of the next one , ensured a correct result to the fluid dynamics .

通过ANSYS有限元软件分析了套管在非均匀外挤力作用下的大变形特征，定义了套管在非均匀外挤力作用下破坏的临界条件，得到了此时的临界非均匀外挤力。

Based on the analysis of distortion features of casing under heterogeneous external pressure by the software of ANSYS , the critical heterogeneous external pressure is determined after defining the critical failure conditions under this condition .

基于现场得到的油并套管大量统计数据，应用灰色理论中的GM（1，1）模型，对油并套管寿命进行预测。

N the basis of the statistical data of casing damages happened in oil fields , the grey model GM ( 1,1 ) of grey system theory is applied to predict the failure life of casings .

KAMAз&5511中桥半轴套管断裂原因分析与修复

Analysis of breaks of Axle Sleeve for KAMA 3-5511 Truck Intermediate Axle and Its Repair

文中结合API螺纹密封的特点和影响因素，论述了油、套管螺纹泄漏抗力的确定方法及螺纹形式的选择，以供管柱设计时参考。

In reference of the characteristics and influencing factors of the thread seal , this paper studied the determination method of leak off resistance of tubing and casing threads and the selection of thread type for design job of string pipe .

分析了基于Hertz接触理论的套管整形处的应力，给出了确定修复力的理论计算公式。

In this method the casing is easily damaged at repairing operation . The stress is analyzed based on the Hertz contact mechanics and the theoretical repairing force is determined .

国内外C-90套管的成分、组织与性能

Contrast Between C-90 Casing Composition , Structure and Properties at Home and Abroad

但对相间短路故障，三相式变压器△侧绕组差动保护接套管TA时，接法不同，保护效果则不同。

But for inter phase short circuit fault , the different TA connection modes have different protection effectiveness when the bushing TA is connected to the differential protection relay at delta side winding of 3 phase transformer .

目的：探讨套管针、静脉帽、3L输液袋输液技术推广应用价值。

Objectives : To investigate the role of combination of sheath needle , heparin cap and 3 litre bag in the peripheral venous infusion .

由于普通API螺纹套管难以承受高于70MPa高压气体，开发加工了高密封性能的SEAL&LOCKHT特殊螺纹套管。

Since the conventional API threaded casing is hard to bear gas with a pressure above 70 MPa , a specially-threaded casing with high sealing performance is developed .

超浅层MFE套管测试靠管柱自身悬重不能达到所用的封隔器的座封吨位，从而无法满足地层测试的要求。

Weight on packer is hard to reach in cased well testing by MFE tool for shallow layer sequentially the need of test can not satisfied .

SL-2（7）型套管头结构应力分析

Structural Stress Analysis of SL 2 ( 7 ) Casing Pipe head