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井筒压力控制阀有阀体、液控管线、压力测量与监控系统、液控管线保护卡、地面控制柜等组成。井筒压力控制阀与欠平衡钻井作业设备配套可实现钻井、完井、测井等全过程欠平衡钻井施工作业。本文介绍了井筒压力控制阀技术研究工作及现场应用情况。
Wellbore pressure control valve body, liquid control lines, pressure measurement and monitoring systems, liquid control pipeline protection card, ground control cabinets and other components. Wellbore pressure control valve and underbalanced drilling equipment supporting the drilling, completion, logging and other processes of the entire process of under-balanced drilling operations. This paper introduces the wellbore pressure control valve technology research work and field application.