发明授权
- 专利标题： Apparatus and methods for fast NMR well logging without instrument speed effects
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申请号： US15131185申请日： 2016-04-18
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公开(公告)号： US09759832B1公开(公告)日： 2017-09-12
- 发明人: Robert Freedman , Henry Bachman , Anatoly Dementyev , Reza Taherian
- 申请人： Schlumberger Technology Corporation
- 申请人地址： US TX Sugar Land
- 专利权人： SCHLUMBERGER TECHNOLOGY CORPORATION
- 当前专利权人： SCHLUMBERGER TECHNOLOGY CORPORATION
- 当前专利权人地址： US TX Sugar Land
- 代理商 Michael Dae
- 主分类号： G01V3/32
- IPC分类号： G01V3/32 ; G01V3/34 ; G01N24/12 ; G01N24/08 ; G01R33/28 ; G01R33/46 ; G01R33/565 ; G01R33/38
摘要：
An apparatus for NMR properties of subsurface formations includes a magnet, a transmitter antenna and at least one of a receiver section of the transmit antenna or a separate receiver antenna having a length along the longitudinal dimension of the apparatus which is shorter than a length of the transmitter antenna along the longitudinal dimension. The apparatus includes circuitry for applying radio frequency current pulses to the entire transmitter antenna and for receiving signals by the at least one of the receiver section of the transmitter antenna and the separate receiver antenna.
信息查询
