具有防溢流、实用、安全、卫生清洁、可单手打开盖子而方便。
The utility model can prevent overflow and is practical, safe, sanitary, and convenient, and the cap can be opened by single hand.
过水土石坝的关键在于溢流面的防冲保护。
The crucial part of overflow earth dike is erosion prevention for flowing surface.
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。
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.
配备沥青溢流管、防冒液呼吸阀、防老化顶置充氮阀、温度计、容量计和输出沥青的快速卸料阀及接耦。
It is equipped with asphalt return tube, anti-puffing pressure vent valve, anti-aging overhead nitrogen valve, thermometer, volumeter and output asphalt rapid discharge valve and coupling.
安装井下防喷器的目的是在发生井涌或溢流的时候，从井下源头附近就能够阻止井喷。
When well, the purpose of installing Downhole Blowout Preventer in the event of overflow which from the underground near the source.
安装井下防喷器的目的是在发生井涌或溢流的时候，从井下源头附近就能够阻止井喷。
When well, the purpose of installing Downhole Blowout Preventer in the event of overflow which from the underground near the source.
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