However, the water hammer pressure produced upon well shut-in will possibly exert over-high pressure on BOP, and the weak points in the well are subject to being fractured.
高含硫地质环境下钻井溢流发生时，及时关井非常重要，但关井产生的水击压力，可能使防喷器超压，而且易在井内最薄弱的环节发生压漏地层事故。
The ram BOP is the most important equipment for secondary well control, quick to shut in the well, and of a high pressure rating.
闸板防喷器关井速度快、耐高压，是二级井控最重要的设备。
For well control equipment such as the bop, well control such as the blowout and collect processing technology such as shut-in and pressure well method make a brief discussion.
对井控设备如防喷器、井控管汇等和井喷后的处理技术如关井及压井方法做了简单的讨论。
For well control equipment such as the bop, well control such as the blowout and collect processing technology such as shut-in and pressure well method make a brief discussion.
对井控设备如防喷器、井控管汇等和井喷后的处理技术如关井及压井方法做了简单的讨论。
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