Invention Grant
- Patent Title: Well pump device
- Patent Title (中): 井泵设备
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Application No.: US11665400Application Date: 2005-10-18
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Publication No.: US07900695B2Publication Date: 2011-03-08
- Inventor: Tom Unsgaard
- Applicant: Tom Unsgaard
- Agency: Patents+TMS, P.C.
- Priority: NO20044418 20041019
- International Application: PCT/NO2005/000390 WO 20051018
- International Announcement: WO2006/043823 WO 20060427
- Main IPC: E21B31/00
- IPC: E21B31/00
Abstract:
A well pump device is introduced into a well and connects to a wireline to receive electrical energy from the surface. An electrically driven feed pump connects to and delivers driving fluid to the driving side of an ejector. A hydraulic apparatus uses the well pump device as a pulling tool.
Public/Granted literature
- US20080115927A1 Well Pump Device Public/Granted day:2008-05-22
Information query
