发明名称 SYSTEM FOR PRODUCING DE-WATERED OIL
摘要 System for producing de-watered oil from an underground formation (2) to the surface (4), which system comprises a reception well (7) having a substantially horizontal or inclined section (10) for primary oil/water separation of the well fluid; a water discharge system (12) having an upstre am end (13) that is capable of receiving during normal operation liquid from th e lower region (14) of the downstream part (9) of the reception well (7); and a secondary underground oil/water separator (18) having an upstream end (19) that is capable of receiving during normal operation liquid from the upper region (20) of the downstream part (9) of the reception well (7), the secondary separator having an outlet (21) for de-watered oil that is in flui d communication with the inlet (5) of a production well and an outlet (22) for a water-enriched component that is in fluid communication with the water discharge system (12).
申请公布号 CA2393406(A1) 申请公布日期 2001.06.21
申请号 CA20002393406 申请日期 2000.12.14
申请人 SHELL CANADA LIMITED 发明人 PUIK, ERIC JOHANNES;BOUMA, JELLE SIPKE;VERBEEK, PAULUS, HENRICUS, JO;POLDERMAN, HUGO GERARDUS
分类号 E21B41/00;E21B43/30;E21B43/38;E21B43/40 主分类号 E21B41/00
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