Invention Grant
- Patent Title: Signal processing in downhole equipment
- Patent Title (中): 井下设备信号处理
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Application No.: US12527843Application Date: 2008-02-19
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Publication No.: US08344904B2Publication Date: 2013-01-01
- Inventor: Sandy Skinner , Michael Manning
- Applicant: Sandy Skinner , Michael Manning
- Applicant Address: GB Inverurie
- Assignee: Zenith Oilfield Technology Limited
- Current Assignee: Zenith Oilfield Technology Limited
- Current Assignee Address: GB Inverurie
- Agency: Jenkins, Wilson, Taylor & Hunt, P.A.
- Priority: GB0703162.8 20070219
- International Application: PCT/GB2008/050105 WO 20080219
- International Announcement: WO2008/102170 WO 20080828
- Main IPC: G01V3/00
- IPC: G01V3/00

Abstract:
A method of transmitting power and/or data between downhole equipment and a surface through a circuit including an alternating current (AC) powered motor and its associated power cable for powering the downhole equipment is disclosed, where the data is transmitted at frequencies outside the normal operating ranges that are thought acceptable. Associated circuitry and apparatus for performing the method are disclosed.
Public/Granted literature
- US20100194585A1 SIGNAL PROCESSING IN DOWNHOLE EQUIPMENT Public/Granted day:2010-08-05
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