Invention Grant
- Patent Title: Downhole pump assembly and method of recovering well fluids
- Patent Title (中): 井下泵组件及井液回收方法
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Application No.: US10496469Application Date: 2002-11-25
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Publication No.: US07686075B2Publication Date: 2010-03-30
- Inventor: Kenneth Roderick Stewart , Hector Fillipus Alexander Van Drentham Susman
- Applicant: Kenneth Roderick Stewart , Hector Fillipus Alexander Van Drentham Susman
- Applicant Address: GB Aberdeen
- Assignee: Rotech Holdings Limited
- Current Assignee: Rotech Holdings Limited
- Current Assignee Address: GB Aberdeen
- Agency: Tarolli, Sundheim, Covell & Tummino LLP
- Priority: GB0128262.3 20011124
- International Application: PCT/GB02/05284 WO 20021125
- International Announcement: WO03/046336 WO 20030605
- Main IPC: E21B43/00
- IPC: E21B43/00 ; F04B17/00
Abstract:
The present invention relates to a downhole tool. In particular, the present invention relates to a downhole pump assembly, a downhole tool assembly including a downhole pump assembly, a well including a downhole pump assembly and to a method of recovering well fluids. In one embodiment of the invention, there is disclosed a downhole tool assembly (10) for location in a borehole (16) of a well (12), the tool assembly (10) including a downhole pump assembly (18). The pump assembly (18) comprises a turbine (26) coupled to a pump (28), for driving the pump (28) to recover well fluid.
Public/Granted literature
- US20050011649A1 Downhole pump assembly and method of recovering well fluids Public/Granted day:2005-01-20
Information query
