发明名称 FLUID INJECTION DEVICE
摘要 <p>The present invention regards a device designed for injection of fluids in a well bore, typically an offshore well bore for petroleum production and gas injection/gas lift system for fluid injection. The device comprises a outer hollow housing (1) with an internal body (2) moveable within the outer housing (1) with an internal bore(3) which in a first closed position is closed with a metal to metal seal system between the outer housing (1) and the internal body (2), which internal body (2) is operated by pressure differential across the internal body (2), where the internal body (2) is designed with slots (4) forming outlets of the internal bore (3) which in an open position of the device is positioned outside of the outer housing (1).</p>
申请公布号 EP1987226(A2) 申请公布日期 2008.11.05
申请号 EP20070709222 申请日期 2007.02.07
申请人 PETROLEUM TECHNOLOGY COMPANY AS 发明人 TVEITEN, MAGNAR;STOKKA, OEYVIND;KLEPPA, ERLING;NORLAND, TOM
分类号 E21B43/12 主分类号 E21B43/12
代理机构 代理人
主权项
地址