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1. 发明授权

US07668293B2 High voltage x-ray generator and related oil well formation analysis apparatus and method 有权
标题翻译：高压X射线发生器及相关油井形成分析装置及方法
公开(公告)号：US07668293B2
公开(公告)日：2010-02-23
申请号：US12468897
申请日：2009-05-20
申请人： Peter Wraight , Arthur J. Becker , Joel L. Groves , Christian Stoller
发明人： Peter Wraight , Arthur J. Becker , Joel L. Groves , Christian Stoller
IPC分类号： G01B15/02 , H05G1/10
CPC分类号： H01J35/06 , H01J35/14 , H01J2235/0233 , H01J2235/06 , H01J2235/163 , H05G1/02 , 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.
摘要翻译：一种用于使用高压x射线发生器确定围绕钻孔的地层的密度和其它性质的装置和方法。一个实施例包括能够在等于或大于125℃的温度下工作时能够提供250keV及更高能量的辐射的稳定的紧凑型X射线发生器。在另一个实施例中，辐射从X射线发生器传送到地层 ; 反射辐射由短间隔的辐射检测器和长间隔的辐射检测器检测。然后使用这些检测器的输出来确定地层的密度。在一个实施例中，参考辐射检测器监视经滤波的辐射信号。该检测器的输出用于控制x射线发生器的加速电压和射束电流中的至少一个。

2. 发明申请

US20080159480A1 High Voltage X-Ray Generator and Related Oil Well Formation Analysis Apparatus and Method 有权
标题翻译：高压X射线发生器及相关油井形成分析装置及方法
公开(公告)号：US20080159480A1
公开(公告)日：2008-07-03
申请号：US11611441
申请日：2006-12-15
申请人： Peter Wraight , Arthur J. Becker , Joel L. Groves , Christian Stoller
发明人： Peter Wraight , Arthur J. Becker , Joel L. Groves , Christian Stoller
IPC分类号： G01B15/02 , H01J35/00
CPC分类号： H01J35/06 , H01J35/14 , H01J2235/0233 , H01J2235/06 , H01J2235/163 , H05G1/02 , 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 260 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.
摘要翻译：一种用于使用高压x射线发生器确定围绕钻孔的地层的密度和其它性质的装置和方法。一个实施例包括稳定的紧凑型x射线发生器，其能够在等于或大于125℃的温度下工作时提供260keV或更高能量的辐射。在另一个实施例中，辐射从X射线发生器传送到地层 ; 反射辐射由短间隔的辐射检测器和长间隔的辐射检测器检测。然后使用这些检测器的输出来确定地层的密度。在一个实施例中，参考辐射检测器监视经滤波的辐射信号。该检测器的输出用于控制x射线发生器的加速电压和射束电流中的至少一个。

3. 发明授权

US07991111B2 High voltage x-ray generator and related oil well formation analysis apparatus and method 有权
标题翻译：高压X射线发生器及相关油井形成分析装置及方法
公开(公告)号：US07991111B2
公开(公告)日：2011-08-02
申请号：US12882005
申请日：2010-09-14
申请人： Peter Wraight , Arthur J. Becker , Joel L. Groves , Christian Stoller
发明人： Peter Wraight , Arthur J. Becker , Joel L. Groves , Christian Stoller
IPC分类号： G01N23/06 , H01J35/02
CPC分类号： H01J35/06 , H01J35/14 , H01J2235/0233 , H01J2235/06 , H01J2235/163 , H05G1/02 , 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.
摘要翻译：一种用于使用高压x射线发生器确定围绕钻孔的地层的密度和其它性质的装置和方法。一个实施例包括能够在等于或大于125℃的温度下工作时能够提供250keV以上能量的辐射的稳定的紧凑型X射线发生器。在另一个实施例中，辐射从X射线发生器通过地层 ; 反射辐射由短间隔的辐射检测器和长间隔的辐射检测器检测。然后使用这些检测器的输出来确定地层的密度。在一个实施例中，参考辐射检测器监视经滤波的辐射信号。该检测器的输出用于控制x射线发生器的加速电压和射束电流中的至少一个。

4. 发明授权

US07817781B2 High voltage X-ray generator and related oil well formation analysis 有权
标题翻译：高压X射线发生器及相关油井形成分析
公开(公告)号：US07817781B2
公开(公告)日：2010-10-19
申请号：US12503517
申请日：2009-07-15
申请人： Peter Wraight , Arthur J. Becker , Joel L. Groves , Christian Stoller
发明人： Peter Wraight , Arthur J. Becker , Joel L. Groves , Christian Stoller
IPC分类号： G21G4/00 , G01B15/02
CPC分类号： H01J35/06 , H01J35/14 , H01J2235/0233 , H01J2235/06 , H01J2235/163 , H05G1/02 , 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.
摘要翻译：一种用于使用高压x射线发生器确定围绕钻孔的地层的密度和其它性质的装置和方法。一个实施例包括能够在等于或大于125℃的温度下工作时能够提供250keV及更高能量的辐射的稳定的紧凑型X射线发生器。在另一个实施例中，辐射从X射线发生器传送到地层 ; 反射辐射由短间隔的辐射检测器和长间隔的辐射检测器检测。然后使用这些检测器的输出来确定地层的密度。在一个实施例中，参考辐射检测器监视经滤波的辐射信号。该检测器的输出用于控制x射线发生器的加速电压和射束电流中的至少一个。

5. 发明申请

US20090274276A1 HIGH VOLTAGE X-RAY GENERATOR AND RELATED OIL WELL FORMATION ANALYSIS 有权
标题翻译：高压X射线发生器及相关油井形成分析
公开(公告)号：US20090274276A1
公开(公告)日：2009-11-05
申请号：US12503517
申请日：2009-07-15
申请人： Peter Wraight , Arthur J. Becker , Joel L. Groves , Christian Stoller
发明人： Peter Wraight , Arthur J. Becker , Joel L. Groves , Christian Stoller
IPC分类号： G01B15/02 , H01J35/18 , H05G1/10
CPC分类号： H01J35/06 , H01J35/14 , H01J2235/0233 , H01J2235/06 , H01J2235/163 , H05G1/02 , 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.
摘要翻译：一种用于使用高压x射线发生器确定围绕钻孔的地层的密度和其它性质的装置和方法。一个实施例包括能够在等于或大于125℃的温度下工作时能够提供250keV及更高能量的辐射的稳定的紧凑型X射线发生器。在另一个实施例中，辐射从X射线发生器传送到地层 ; 反射辐射由短间隔的辐射检测器和长间隔的辐射检测器检测。然后使用这些检测器的输出来确定地层的密度。在一个实施例中，参考辐射检测器监视经滤波的辐射信号。该检测器的输出用于控制x射线发生器的加速电压和射束电流中的至少一个。

6. 发明授权

US07564948B2 High voltage x-ray generator and related oil well formation analysis apparatus and method 有权
标题翻译：高压X射线发生器及相关油井形成分析装置及方法
公开(公告)号：US07564948B2
公开(公告)日：2009-07-21
申请号：US11611441
申请日：2006-12-15
申请人： Peter Wraight , Arthur J. Becker , Joel L. Groves , Christian Stoller
发明人： Peter Wraight , Arthur J. Becker , Joel L. Groves , Christian Stoller
IPC分类号： H05G1/10 , H05G1/32 , H01J35/00
CPC分类号： H01J35/06 , H01J35/14 , H01J2235/0233 , H01J2235/06 , H01J2235/163 , H05G1/02 , 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 260 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.
摘要翻译：一种用于使用高压x射线发生器确定围绕钻孔的地层的密度和其它性质的装置和方法。一个实施例包括稳定的紧凑型x射线发生器，其能够在等于或大于125℃的温度下工作时提供260keV或更高能量的辐射。在另一个实施例中，辐射从X射线发生器传送到地层 ; 反射辐射由短间隔的辐射检测器和长间隔的辐射检测器检测。然后使用这些检测器的输出来确定地层的密度。在一个实施例中，参考辐射检测器监视经滤波的辐射信号。该检测器的输出用于控制x射线发生器的加速电压和射束电流中的至少一个。

7. 发明申请

US20110002443A1 High Voltage X-Ray Generator and Related Oil Well Formation Analysis Apparatus and Method 有权
标题翻译：高压X射线发生器及相关油井形成分析装置及方法
公开(公告)号：US20110002443A1
公开(公告)日：2011-01-06
申请号：US12882005
申请日：2010-09-14
申请人： Peter Wraight , Arthur J. Becker , Joel L. Groves , Christian Stoller
发明人： Peter Wraight , Arthur J. Becker , Joel L. Groves , Christian Stoller
IPC分类号： G01N23/06 , H01J35/02
CPC分类号： H01J35/06 , H01J35/14 , H01J2235/0233 , H01J2235/06 , H01J2235/163 , H05G1/02 , 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.
摘要翻译：一种用于使用高压x射线发生器确定围绕钻孔的地层的密度和其它性质的装置和方法。一个实施例包括能够在等于或大于125℃的温度下工作时能够提供250keV及更高能量的辐射的稳定的紧凑型X射线发生器。在另一个实施例中，辐射从X射线发生器传送到地层 ; 反射辐射由短间隔的辐射检测器和长间隔的辐射检测器检测。然后使用这些检测器的输出来确定地层的密度。在一个实施例中，参考辐射检测器监视经滤波的辐射信号。该检测器的输出用于控制x射线发生器的加速电压和射束电流中的至少一个。

8. 发明申请

US20090225949A1 HIGH VOLTAGE X-RAY GENERATOR AND RELATED OIL WELL FORMATION ANALYSIS APPARATUS AND METHOD 有权
标题翻译：高电压X射线发生器及相关油井形成分析装置及方法
公开(公告)号：US20090225949A1
公开(公告)日：2009-09-10
申请号：US12468897
申请日：2009-05-20
申请人： Peter Wraight , Arthur J. Becker , Joel L. Groves , Christian Stoller
发明人： Peter Wraight , Arthur J. Becker , Joel L. Groves , Christian Stoller
IPC分类号： G01B15/02 , H05G1/10
CPC分类号： H01J35/06 , H01J35/14 , H01J2235/0233 , H01J2235/06 , H01J2235/163 , H05G1/02 , 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.
摘要翻译：一种用于使用高压x射线发生器确定围绕钻孔的地层的密度和其它性质的装置和方法。一个实施例包括能够在等于或大于125℃的温度下工作时能够提供250keV以上能量的辐射的稳定的紧凑型X射线发生器。在另一个实施例中，辐射从X射线发生器通过地层 ; 反射辐射由短间隔的辐射检测器和长间隔的辐射检测器检测。然后使用这些检测器的输出来确定地层的密度。在一个实施例中，参考辐射检测器监视经滤波的辐射信号。该检测器的输出用于控制x射线发生器的加速电压和射束电流中的至少一个。

9. 发明申请

US20080152080A1 X-Ray Tool for an Oilfield Fluid 失效
标题翻译：油田液体X射线工具
公开(公告)号：US20080152080A1
公开(公告)日：2008-06-26
申请号：US12016330
申请日：2008-01-18
申请人： Rod Shampine , Joel L. Groves , Anthony Durkowski , Etienne Vallee , Peter Wraight
发明人： Rod Shampine , Joel L. Groves , Anthony Durkowski , Etienne Vallee , Peter Wraight
IPC分类号： G01N23/06
CPC分类号： G01N23/12 , G01N33/2823 , G21K1/10 , H01J35/18 , H01J2235/18
摘要： An x-ray tool for determining a characteristic of an oilfield fluid. The tool may include a generator portion housing a collimator about a target from which x-rays are emitted. In this manner x-rays may be attenuated right at the target such that a majority of shielding otherwise necessary for safety concerns may be eliminated. Rather, by employing the target within the collimator, shielding of the generator may be limited to a single shielding plate within the generator portion that is positioned parallel to the target at the opposite end of an x-ray tube therebetween. As a result of this configuration, an x-ray tool for analysis of oilfield fluids may be provided with a minimum weight of shielding material. Thus, hand-held user friendly embodiments may be safely employed at the oilfield.
摘要翻译：一种用于确定油田流体特性的x射线工具。工具可以包括发射器部分，其围绕射线X射线的目标容纳准直器。以这种方式，x射线可以在目标处正确地衰减，使得可能消除对于安全考虑而另外必需的大部分屏蔽。相反，通过在准直器内采用目标，发生器的屏蔽可以被限制在发生器部分内与X射线管的相对端处的平行于靶的单个屏蔽板。作为这种结构的结果，用于分析油田流体的X射线工具可以设置有最小重量的屏蔽材料。因此，在油田可以安全地使用手持用户友好的实施例。

10. 发明授权

US4958073A Apparatus for fine spatial resolution measurments of earth formations 失效
标题翻译：用于地球地层精细空间分辨率测量的装置
公开(公告)号：US4958073A
公开(公告)日：1990-09-18
申请号：US281577
申请日：1988-12-08
申请人： Arthur J. Becker , Joel L. Groves , Charles C. Watson
发明人： Arthur J. Becker , Joel L. Groves , Charles C. Watson
IPC分类号： G01V5/12
CPC分类号： G01V5/12
摘要： A high resolution gamma-gamma apparatus is provided with a chemical source and a photon detector in such close proximity such that the detector provides a positive response to an increase in formation density. Typically, such a response is obtained when the detector opening is within one source photon mean free path of the source opening. For a Cs 137 source, the furthest spacing would be about two inches, although spacings of less than one inch are preferable. In order to decrease background noise, shielding is placed between the source and detector. A first embodiment of the tool has an uncollimated source, and a substantially uncollimated detector with the source and detector being coaxial and with the detector behind the source and separated by shielding. A second embodiment has a collimated source with an uncollimated detector, while a third embodiment has an uncollimated source with a collimated detector. The provided apparatus are useful for high resolution density and Pe measurements. Additional axially spaced negative response detectors may be included to provided additional information which are useful in correcting for environmental effects. Also, circumferentially spaced detectors along with additional sources are useful in conducting dip analysis.

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