At present, blowoutprevention system mainly includes wellhead BOP stack and blowoutprevention 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。
2
This paper describes construction, principle of operation and field test results for hydraulic blowoutprevention stuffing box.
文章介绍液压防喷盒的结构、工作原理以及现场试验情况。
3
The effect of blowoutprevention and sand control of FYJ-2 is tested by laboratory experiment of dynamic mud stone particle flushing, sand control experiment and formation damage test.