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FZF型钻具浮阀 Type FZF Float Sub

FZF型钻具浮阀

FZF型事一种新型的钻具内防喷械。它正在一般钻井常,阀盖翻开,钻井液流通轮回。留神井下发作井涌概井喷常,阀盖封闭到达防地喷目标。起下钻功课常,避免钻井液回流,阻遏泥沙进入钻柱,起到防地堵感化,事钻井功课中防喷防堵的专用工具。

Type FZF Float Sub

Model “FZF” Float Sub is a new-style drilling tool inside blowout prevent. During normal drilling, valve open, drilling fluid circulation clearly while down-hole happen to kick or blowout. The valve cap shut off in order to achieve blowout prevention. When tripping in or out, it preventing drilling fluid flowing from back and prevent mud entering into the drill string, realizing the function of preventing block. It is a special tool for preventing blowout and block in drilling operation.

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