From this point, reliability study is absolutely necessary in the process of BOP system designing.
因此，在深水防喷器组及其控制系统设计过程中，可靠性研究必不可少。
When drilling in deepwater, once the Subsea BOP system breakdown, the BOP and riser must be pulled to the surface and cause great economic loss.
在深水钻井作业中，一旦水下防喷系统发生故障，就必须将防喷器组和隔水管起出水面进行维修，将造成上百万元的损失；
Deepwater drilling is the key of offshore oil and gas exploration and development. Deepwater BOP system is the key equipments which ensure safety in drilling operation.
深水钻井是海上油气资源勘探开发的龙头，而深水防喷器组是保证钻井作业安全最关键的设备。
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。
The annular BOP is the important assembly of the blowout preventer control system.
环形防喷器是井口防喷控制装置的重要组成部件之一。
Using fluid dynamics analysis software CFD made a numerical simulation to the BOP control system pressure relief valve under the valve different working conditions;
使用流体力学分析软件对减压溢流阀在阀口不同开度条件下进行了阀内流场的数值模拟和仿真；
Using fluid dynamics analysis software CFD made a numerical simulation to the BOP control system pressure relief valve under the valve different working conditions;
使用流体力学分析软件对减压溢流阀在阀口不同开度条件下进行了阀内流场的数值模拟和仿真；
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