发明名称 Flow control system for use in a wellbore
摘要 A technique is provided to facilitate fluid flow and pressure control in a well with an interventionless flow valve system. The valve system is coupled to a well component string deployed downhole in a wellbore. The valve system controls flow and pressure between an interior and exterior of the string and comprises a valve controlled by an activation device. The activation device is responsive to a unique pressure and time signal transmitted downhole.
申请公布号 GB2438480(B) 申请公布日期 2009.02.18
申请号 GB20070007746 申请日期 2007.04.23
申请人 SCHLUMBERGER HOLDINGS LIMITED 发明人 JOE C HROMAS;LARRY GRIGAR
分类号 E21B43/116;E21B34/10 主分类号 E21B43/116
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