套管损坏会导致压力完整性破坏、生产油管磨损，甚至无法下入修井工具。
Casing impairment leads to loss of pressure integrity, pinching of production tubing, even an inability to lower workover tools.
气井修井作业中，常常遇到油管柱断掉、穿孔、腐蚀等严重问题，使修井作业中“压井”非常困难。
In workover operation, it was very difficult to carry out "Well control" owing to tubing string's being seriously corroded, bored and ruptured.
油田的修井作业机是维护和保证采油生产不可缺少的施工机械，其主要用途是修井提升或下放油管、抽油杆等。
The workover rig is a necessary device to maintain and ensure mining technics in the oil field, and its main application is to elevate or drop oil pipes and pumps.
QW50A气动卡瓦是油田修井作业时，安装在井口上用于卡紧油管及类似管柱的一种工具。
Model QW50A Air Operated Slips is a wellhead tools. Mainly used to clipping tubing and drilling rod which raise or put down at well repairing service operation.
在油田修井过程中，油管接箍不仅起到了管柱之间的连接作用，而且为修井作业等提供位置参照作用。
Process in the oil field workover, pipe coupling not only played a connection between the column, but also provides workover and other reference function of position.
随着我国侧钻井和小井眼钻井需求的不断增加，连续油管作业技术在我国水平井钻井、修井及完井作业中将会发挥巨大作用。
With the increasing demand of the lateral drilling and slim hole drilling, the coiled tubing (CT) operating technique will play a great role in horizontal well drilling, well workover and completion.
随着我国侧钻井和小井眼钻井需求的不断增加，连续油管作业技术在我国水平井钻井、修井及完井作业中将会发挥巨大作用。
With the increasing demand of the lateral drilling and slim hole drilling, the coiled tubing (CT) operating technique will play a great role in horizontal well drilling, well workover and completion.
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