发明名称 |
DOWNHOLE PRESSURE TRANSMITTER |
摘要 |
A downhole pressure transmitter apparatus and method of making the same. A pressure fitting can be provided in association with a tube formed into a spiral shape. One end of said tube is sealed and the other end of said tube is affixed to said pressure fitting. As the tube is exposed to a differential pressure, said tu be unwinds, thereby creating a rotary motion that is proportional and linear to said differential pressure sensor, thereby providing an indication of pressure within a downho le environment.
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申请公布号 |
CA2591386(A1) |
申请公布日期 |
2007.12.13 |
申请号 |
CA20072591386 |
申请日期 |
2007.06.12 |
申请人 |
HONEYWELL INTERNATIONAL INC. |
发明人 |
KOSHT, DANIAL L.;MARINO, MARK G.;WALLING, JOSEPH M. |
分类号 |
E21B47/06;E21B47/12 |
主分类号 |
E21B47/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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