The mechanization and automation status of domestic and international workover wellhead operation equipments are analyzed, and the application status and limitation of them are introduced.
根据修井井口作业工序和现场实际情况，总结出实现井口操作机械化的关键技术。
This article presented the research on matching technology of casing head and gas-producing wellhead for guaranteeing the safety of drilling and production test operation.
由于套管头和采气井口油管头牵涉到钻井和试油作业中的井口组合，为保证钻井和试油作业时配套使用的安全，要进行配套技术研究。
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。
This paper introduces the procedure, mechanism and operation of wellhead tieback techniques and points out the problems necessary to be solved.
本文介绍了井口回接作业的程序、机理、作业施工情况，并指出了需改进的地方。
This paper introduces the procedure, mechanism and operation of wellhead tieback techniques and points out the problems necessary to be solved.
本文介绍了井口回接作业的程序、机理、作业施工情况，并指出了需改进的地方。
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