N0, they donat. They repair wellhead tools only.
不分娩，他们只修补井口工具。
N0, they don't. They repair wellhead tools only.
不生产，他们只修理井口工具。
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.
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。
The key technologies include of optimal design on string and tools, wellhead and surface process, testing ways and construction parameters.
其主要技术包括管柱及工具优化设计、井口装置及地面流程设计、测试方式优选、施工参数优化为核心。
This series of products mainly used in BOP, valves, blowout pipeline, the BOP tools, wellhead equipment and other products of hydraulic pressure test inspection.
本系列产品主要用于防喷器，阀门，防喷管线，内防喷工具、井口装置等产品的水压试压检验。
There are not automatic tools for wellhead in the origin design of a drilling rig.
钻机设计、使用初期没有配备自动化井口机具。
At present, blowout prevention system mainly includes wellhead BOP stack and blowout prevention tools in drill strings.
目前，防喷系统主要包括井口防喷器组合和钻柱内防喷工具。
At present, blowout prevention system mainly includes wellhead BOP stack and blowout prevention tools in drill strings.
目前，防喷系统主要包括井口防喷器组合和钻柱内防喷工具。
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