发明申请
US20090225949A1 HIGH VOLTAGE X-RAY GENERATOR AND RELATED OIL WELL FORMATION ANALYSIS APPARATUS AND METHOD
有权
高电压X射线发生器及相关油井形成分析装置及方法
- 专利标题: HIGH VOLTAGE X-RAY GENERATOR AND RELATED OIL WELL FORMATION ANALYSIS APPARATUS AND METHOD
- 专利标题(中): 高电压X射线发生器及相关油井形成分析装置及方法
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申请号: US12468897申请日: 2009-05-20
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公开(公告)号: US20090225949A1公开(公告)日: 2009-09-10
- 发明人: Peter Wraight , Arthur J. Becker , Joel L. Groves , Christian Stoller
- 申请人: Peter Wraight , Arthur J. Becker , Joel L. Groves , Christian Stoller
- 主分类号: G01B15/02
- IPC分类号: G01B15/02 ; H05G1/10
摘要:
An apparatus and method for determining the density and other properties of a formation surrounding a borehole using a high voltage x-ray generator. One embodiment comprises a stable compact x-ray generator capable of providing radiation with energy of 250 keV and higher while operating at temperatures equal to or greater than 125° C. In another embodiment, radiation is passed from an x-ray generator into the formation; reflected radiation is detected by a short spaced radiation detector and a long spaced radiation detector. The output of these detectors is then used to determine the density of the formation. In one embodiment, a reference radiation detector monitors a filtered radiation signal. The output of this detector is used to control at least one of the acceleration voltage and beam current of the x-ray generator.