发明名称 Surface pump assembly
摘要 A surface pump assembly having a pressure vessel containing a submersible pump and an industrial motor located at least partially external to the pressure vessel having a shaft or seal thrust chamber extending at least partially into the pressure vessel to connect to pump. The pressure vessel has an inlet connected to a fluid source and one or more bleed off or pressure relief valves. The pump has an intake to receive the fluid and a discharge connected to a discharge conduit.
申请公布号 US6779608(B2) 申请公布日期 2004.08.24
申请号 US20010826409 申请日期 2001.04.04
申请人 WEATHERFORD/LAMB, INC. 发明人 GRUBB WILLIAM A.;DELONG ROBERT
分类号 E21B41/00;E21B43/18;F04D1/06;F04D13/06;F04D29/10;F04D29/42;(IPC1-7):E21B21/00;F04B39/12 主分类号 E21B41/00
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