发明名称 Well cap systems
摘要 A system for capping the upper opening of a well having an accommodation for a remotely-located control device. More specifically, a well cap system for a water-well having a pipe casing that permits one or more well control apparatus to be located within the well cap. The system is a two-part assembly, comprising a base and hollow cover, both arranged to be supported by the pipe casing. A constant pressure well system utilizing the water-well cap system is also described.
申请公布号 US2004168795(A1) 申请公布日期 2004.09.02
申请号 US20040784087 申请日期 2004.02.19
申请人 OWENS ERIC 发明人 OWENS ERIC
分类号 E03B3/16;E21B33/03;(IPC1-7):E21B33/03 主分类号 E03B3/16
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