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。
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.
由于施工井口压力高，常规加砂压裂工艺无法实施作业。
For high well head pressure, the operation of conventional adding sand fracture treatment tech can not fulfilled.
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。
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.
水平井不动井口、管柱找水、试油、生产工艺技术，大大减少了作业次数，节约了生产成本。
A new horizontal well production technology without dismantling well head and pulling up string to find water and test is introduced which can decrease operating times and cost.
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.
本实用新型既能剪切钢缆又能封闭井口的装置，极大地满足了油田捞油作业的安全。
The shear ram valve not only can shear wire ropes, but also can close a well mouth, thereby largely satisfying the safety of pumping operation in an oil filed.
海底井口系统是钻井作业的是关键技术，但它们的工作寿命往往可以受到多种因素的影响。
Subsea wellheads are a core technology supporting drilling activities, but their lifespan can be affected by a multitude of factors such as vortex-induced vibrations.
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.
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.
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