生产封隔器或者测试封隔器可能下入下套管的井段，而膨胀式封隔器可以在裸眼井段使用，也可以在下套管井段使用。
Production or test packers may be set in cased holes and inflatable packers are used in open or cased holes.
同时完井所下的套管为钢化玻璃，不但坚固耐用，也为地球物理测井的监测和测试创造了良好的条件。
The cases for well completion are made of toughened glass, which are not only durable, but practical for the monitoring of geophysical well logging.
建议在井下条件允许的情况下，增加环空与套管内的压差值来提高固井质量。
So it is recommended that the pressure differential between the casing and the annulus be increased to improve the cementing quality if the downhole conditions permit.
套管补贴工具被下入井中，这时工具端部的橡胶或铅对留在井中的被割断套管的顶部进行密封。
The casing-patch tool is lowered into the well where rubber or lead on the end of the tool is used to seal against the top of the cut casing remaining in the well.
计算表明，注蒸汽稠油井如果用常规方法固井，在通常的注汽温度下，套管都因热应力而产生屈服变形。
Casing is heated by steam in thermal recovery Wells. There are thermal stresses in casing. Casing deforms when stresses exceed yield point.
大位移井完井技术是关系到大位移井成功与否的关键，而套管的顺利下入是该技术的难点之一。
Well completion technique is key to successfully drill extended reach well a nd casing running is one of difficulty.
窄间隙套管可有效增大固井间隙，有利于套管的下入和水泥封固质量的提高，具有重要的用途。
Small-clearance casing, playing an important role in cementing, can enlarge the effective cementing clearance, facilitate the casing running-in, and improve the cement bond quality.
该扶正器最初的设计目的在于替换固体式扶正器，用于下套管作业，以及复杂井身结构，如水平井、大位移井、J -型井、S -型井和具有其他井身结构设计的井。
It is designed specifically to replace a solid body type centralizer for casing running applications and severe well geometries when run in horizontal, long ERD, J-type, S-type and other well designs.
文章介绍了一种用于已下套管的油水井重新测量其井身轨迹的动力调谐陀螺测井技术。
This paper introduces a kind of dynamical tuning gyroscopic logging technology to re survey the well body track in cased production and injection Wells.
对己经下入了C110油套管的井，防止后期作业诱发裂纹至关重要，新的设计方法对油气田在油套管的选材上具有重要参考价值。
For the well with C110, it is important to prevent cracks in late workings. So this new design method provides great reference value for Wells to choose proper casing material.
套管开窗是分支井作业的关键步骤，开窗质量对后续工具的下入至关重要。
Casing opening is the key procedure in multilateral operations. Opening quality is quite important for subsequent tools to enter into the laterals.
计算结果表明，该工具产生的牵引力与套管在水平井垂直段的自重配合所能下入的套管长度几乎满足所有水平井的位移要求。
We knowed according the computation result that the length of casing was pulling by the tool could meet the displacement requirement of the most horizontal wells.
计算结果表明，该工具产生的牵引力与套管在水平井垂直段的自重配合所能下入的套管长度几乎满足所有水平井的位移要求。
We knowed according the computation result that the length of casing was pulling by the tool could meet the displacement requirement of the most horizontal wells.
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