发明名称 Method and apparatus for relieving pressure
摘要 A pressure relief system includes a closed space having fluid trapped therein, a chamber defined in the closed space, and a pressure responsive member for controlling fluid flow from the closed space to the chamber. Fluid flows from the closed space to the chamber when the pressure in the closed space exceeds a predetermined pressure.
申请公布号 US6293346(B1) 申请公布日期 2001.09.25
申请号 US19990396006 申请日期 1999.09.15
申请人 SCHLUMBERGER TECHNOLOGY CORPORATION 发明人 PATEL DINESH R.
分类号 E21B34/06;E21B41/00;(IPC1-7):E21B34/08 主分类号 E21B34/06
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