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1. 发明申请

WO2012050880A2 DEVICE AND METHOD FOR IMAGING OF NON-LINEAR AND LINEAR PROPERTIES OF FORMATIONS SURROUNDING A BOREHOLE 审中-公开
标题翻译：用于成像非线性和线性特性的装置和方法周边环境
公开(公告)号：WO2012050880A2
公开(公告)日：2012-04-19
申请号：PCT/US2011053645
申请日：2011-09-28
申请人： CHEVRON USA INC , JOHNSON PAUL ALLAN , TENCATE JAMES A , LE BAS PIERRE-YVES , GUYER ROBERT A , VU CUNG KHAC , SKELT CHRISTOPHER H
发明人： JOHNSON PAUL ALLAN , TENCATE JAMES A , LE BAS PIERRE-YVES , GUYER ROBERT A , VU CUNG KHAC , SKELT CHRISTOPHER H
CPC分类号： G01V1/46
摘要： In some aspects of the disclosure, a method and an apparatus is disclosed for investigating material surrounding the borehole. The method includes generating a first low frequency acoustic wave within the borehole, wherein the first low frequency acoustic wave induces a linear and a nonlinear response in one or more features in the material that are substantially perpendicular to a radius of the borehole; directing a first sequence of high frequency pulses in a direction perpendicularly with respect to the longitudinal axis of the borehole into the material contemporaneously with the first acoustic wave; and receiving one or more second high frequency pulses at one or more receivers positionable in the borehole produced by an interaction between the first sequence of high frequency pulses and the one or more features undergoing linear and nonlinear elastic distortion due to the first low frequency acoustic wave to investigate the material surrounding the borehole.
摘要翻译：在本公开的一些方面，公开了一种用于调查钻孔周围的材料的方法和装置。该方法包括在钻孔内生成第一低频声波，其中第一低频声波在材料中基本上垂直于钻孔半径的一个或多个特征中引起线性和非线性响应; 将第一序列的高频脉冲在垂直于钻孔的纵向轴线的方向上引导到与第一声波同时的材料中; 以及在由所述第一高频脉冲序列之间的相互作用产生的一个或多个可接收位置的接收器中接收一个或多个第二高频脉冲，以及由于所述第一低频声波而导致线性和非线性弹性失真的所述一个或多个特征调查钻孔周围的物质。

2. 发明申请

WO2012064842A3 SYSTEM AND METHOD FOR GENERATING MICRO-SEISMIC EVENTS AND CHARACTERIZING PROPERTIES OF A MEDIUM WITH NON-LINEAR ACOUSTIC INTERACTIONS 审中-公开
标题翻译：用于生成微地震事件的系统和方法以及具有非线性声学相互作用的介质的特性
公开(公告)号：WO2012064842A3
公开(公告)日：2013-06-13
申请号：PCT/US2011059973
申请日：2011-11-09
申请人： CHEVRON USA INC , LOS ALAMOS NAT SECURITY LLC , VU CUNG KHAC , NIHEI KURT T , JOHNSON PAUL A , GUYER ROBERT A , TEN CATE JAMES A , LE BAS PIERRE-YVES , LARMAT CARENE S
发明人： VU CUNG KHAC , NIHEI KURT T , JOHNSON PAUL A , GUYER ROBERT A , TEN CATE JAMES A , LE BAS PIERRE-YVES , LARMAT CARENE S
IPC分类号： G01V1/46 , G01V1/00
CPC分类号： G01V1/006 , G01V1/44 , G01V1/46 , G01V1/50 , G01V1/52 , G01V2210/125 , G01V2210/127 , G01V2210/588 , G10K15/02
摘要： A method and system for generating a micro-seismic event in a medium from a non-linear interaction to characterize the medium is provided. The method includes generating, by a first acoustic source (SI, 12), a first coded acoustic signal comprising a first plurality of pulses arranged as a time sequence, each pulse comprising a modulated signal at a central frequency; and generating, by a second acoustic source (S2,14), a second coded acoustic signal comprising a second plurality of pulses arranged as a time sequence, wherein each pulse comprises a modulated signal and a central frequency of the modulated signal within each pulse in the second plurality of pulses is a selected fraction d of the central frequency of the modulated signal for the corresponding pulse in the first plurality of pulses. The method further includes receiving, by a receiver (R), a detected signal including a third signal being generated by a non-linear mixing process from the first acoustic signal and the second acoustic signal in the mixing zone; performing, by a processor, data processing on the received signal, or correlating with a coded signal template, or both, to extract the third signal generated by the non-linear mixing process over noise or over signals generated by a linear interaction process, or both, to obtain an emulated micro-seismic event signal occurring at the mixing zone; and characterizing properties of the medium or creating a 3D image of the properties of the medium, or both, based on the emulated micro-seismic event signal.
摘要翻译：提供了一种用于从非线性相互作用产生介质中的微地震事件以表征介质的方法和系统。该方法包括通过第一声源（SI，12）产生包括排列成时间序列的第一多个脉冲的第一编码声信号，每个脉冲包括中心频率的调制信号; 以及通过第二声源（S2,14）产生包括排列为时间序列的第二多个脉冲的第二编码声信号，其中每个脉冲包括调制信号和在每个脉冲内的调制信号的中心频率所述第二多个脉冲是所述第一多个脉冲中相应脉冲的调制信号的中心频率的选定分数d。该方法还包括由接收器（R）接收包括由混合区中的第一声信号和第二声信号通过非线性混合处理产生的第三信号的检测信号; 通过处理器对接收到的信号执行数据处理或与编码信号模板或两者相关，以通过由线性相互作用过程产生的噪声或过度信号来提取由非线性混合处理产生的第三信号，或以获得在混合区发生的模拟微地震事件信号; 并且基于仿真的微地震事件信号来表征介质的性质或者创建介质的属性的3D图像，或两者。

3. 发明申请

WO2012064842A2 SYSTEM AND METHOD FOR GENERATING MICRO-SEISMIC EVENTS AND CHARACTERIZING PROPERTIES OF A MEDIUM WITH NON-LINEAR ACOUSTIC INTERACTIONS 审中-公开
标题翻译：用于生成微地震事件的系统和方法以及具有非线性声学相互作用的介质的特性
公开(公告)号：WO2012064842A2
公开(公告)日：2012-05-18
申请号：PCT/US2011/059973
申请日：2011-11-09
申请人： CHEVRON U.S.A. INC. , LOS ALAMOS NATIONAL SECURITY LLC , VU, Cung Khac , NIHEI, Kurt T. , JOHNSON, Paul A. , GUYER, Robert A. , TEN CATE, James A. , LE BAS, Pierre-Yves , LARMAT, Carene S.
发明人： VU, Cung Khac , NIHEI, Kurt T. , JOHNSON, Paul A. , GUYER, Robert A. , TEN CATE, James A. , LE BAS, Pierre-Yves , LARMAT, Carene S.
IPC分类号： A61K39/44 , C12N15/13 , C12N15/63 , C12N1/19 , C12N1/21 , C12N5/10 , C07K16/28 , A61K39/395 , A61P35/00
CPC分类号： G01V1/006 , G01V1/44 , G01V1/46 , G01V1/50 , G01V1/52 , G01V2210/125 , G01V2210/127 , G01V2210/588 , G10K15/02
摘要： A method and system for generating a micro-seismic event in a medium from a non-linear interaction to characterize the medium is provided. The method includes generating, by a first acoustic source, a first coded acoustic signal comprising a first plurality of pulses arranged as a time sequence, each pulse comprising a modulated signal at a central frequency; and generating, by a second acoustic source, a second coded acoustic signal comprising a second plurality of pulses arranged as a time sequence, wherein each pulse comprises a modulated signal and a central frequency of the modulated signal within each pulse in the second plurality of pulses is a selected fraction d of the central frequency of the modulated signal for the corresponding pulse in the first plurality of pulses. The method further includes receiving, by a receiver, a detected signal including a third signal being generated by a non-linear mixing process from the first acoustic signal and the second acoustic signal in the mixing zone; performing, by a processor, data processing on the received signal, or correlating with a coded signal template, or both, to extract the third signal generated by the non-linear mixing process over noise or over signals generated by a linear interaction process, or both, to obtain an emulated micro-seismic event signal occurring at the mixing zone; and characterizing properties of the medium or creating a 3D image of the properties of the medium, or both, based on the emulated micro-seismic event signal.
摘要翻译：提供了一种用于从非线性相互作用产生介质中的微地震事件以表征介质的方法和系统。该方法包括通过第一声源产生包括排列成时间序列的第一多个脉冲的第一编码声信号，每个脉冲包括中心频率的调制信号; 以及通过第二声源产生包括排列为时间序列的第二多个脉冲的第二编码声信号，其中每个脉冲包括在所述第二多个脉冲中的每个脉冲内的调制信号和调制信号的中心频率是第一多个脉冲中对应脉冲的调制信号的中心频率的选择分数d。该方法还包括由接收器接收包括由混合区中的第一声信号和第二声信号通过非线性混合处理产生的第三信号的检测信号; 通过处理器对接收到的信号执行数据处理或与编码信号模板或两者相关，以通过由线性相互作用过程产生的噪声或过度信号来提取由非线性混合处理产生的第三信号，或以获得在混合区发生的模拟微地震事件信号; 并且基于仿真的微地震事件信号来表征介质的性质或者创建介质的属性的3D图像，或两者。

4. 发明申请

WO2012064839A3 SYSTEM AND METHOD FOR INVESTIGATING SUB-SURFACE FEATURES OF A ROCK FORMATION 审中-公开
公开(公告)号：WO2012064839A3
公开(公告)日：2012-05-18
申请号：PCT/US2011/059967
申请日：2011-11-09
申请人： CHEVRON U.S.A. Inc. , LOS ALAMOS NATIONAL SECURITY LLC , VU, Cung Khac , SKELT, Christopher H. , NIHEI, Kurt T. , JOHNSON, Paul A. , GUYER, Robert A. , TEN CATE, James A. , LE BAS, Pierre-Yves , LARMAT, Carene S.
发明人： VU, Cung Khac , SKELT, Christopher H. , NIHEI, Kurt T. , JOHNSON, Paul A. , GUYER, Robert A. , TEN CATE, James A. , LE BAS, Pierre-Yves , LARMAT, Carene S.
IPC分类号： G01V1/46
摘要： A method and system for investigating rock formations outside a borehole are provided. The method includes generating a first acoustic wave at a first frequency by a first acoustic source (105); and generating a second acoustic wave at a second frequency by a second acoustic source (115). The first and the second acoustic sources are arranged within a localized area of the borehole (110). The first and the second acoustic waves intersect in an intersection volume (130) outside the borehole. The method further includes receiving a third acoustic wave at a third frequency, the third shear acoustic wave returning to the borehole due to a non-linear mixing process in a nonlinear mixing zone within the intersection volume at a receiver (135) arranged in the borehole. The third frequency is equal to a difference between the first frequency and the second frequency.

5. 发明申请

WO2012064839A2 SYSTEM AND METHOD FOR INVESTIGATING SUB-SURFACE FEATURES OF A ROCK FORMATION 审中-公开
标题翻译：用于调查岩层的表面特征的系统和方法
公开(公告)号：WO2012064839A2
公开(公告)日：2012-05-18
申请号：PCT/US2011059967
申请日：2011-11-09
申请人： CHEVRON USA INC , LOS ALAMOS NAT SECURITY LLC , VU CUNG KHAC , SKELT CHRISTOPHER H , NIHEI KURT T , JOHNSON PAUL A , GUYER ROBERT A , TEN CATE JAMES A , LE BAS PIERRE-YVES , LARMAT CARENE S
发明人： VU CUNG KHAC , SKELT CHRISTOPHER H , NIHEI KURT T , JOHNSON PAUL A , GUYER ROBERT A , TEN CATE JAMES A , LE BAS PIERRE-YVES , LARMAT CARENE S
IPC分类号： G01V1/40
CPC分类号： G01V1/006 , G01V1/44 , G01V1/46 , G01V1/50 , G01V1/52 , G01V2210/125 , G01V2210/127 , G01V2210/588 , G10K15/02
摘要： A method and system for investigating rock formations outside a borehole are provided. The method includes generating a first acoustic wave at a first frequency by a first acoustic source; and generating a second acoustic wave at a second frequency by a second acoustic source. The first and the second acoustic sources are arranged within a localized area of the borehole. The first and the second acoustic waves intersect in an intersection volume outside the borehole. The method further includes receiving a third acoustic wave at a third frequency, the third shear acoustic wave returning to the borehole due to a non-linear mixing process in a non-linear mixing zone within the intersection volume at a receiver arranged in the borehole. The third frequency is equal to a difference between the first frequency and the second frequency.
摘要翻译：提供了一种用于勘探井眼外岩层的方法和系统。该方法包括通过第一声源产生第一频率的第一声波; 以及通过第二声源产生第二频率的第二声波。第一和第二声源被布置在钻孔的局部区域内。第一和第二声波在钻孔外的交叉口中相交。该方法还包括在第三频率处接收第三声波，由于在布置在钻孔中的接收器的相交体积内的非线性混合区域中由于非线性混合过程而返回到钻孔的第三剪声波。第三频率等于第一频率和第二频率之间的差。

6. 发明申请

WO2012050880A3 DEVICE AND METHOD FOR IMAGING OF NON-LINEAR AND LINEAR PROPERTIES OF FORMATIONS SURROUNDING A BOREHOLE 审中-公开
公开(公告)号：WO2012050880A3
公开(公告)日：2012-04-19
申请号：PCT/US2011/053645
申请日：2011-09-28
申请人： CHEVRON U.S.A. Inc. , JOHNSON, Paul Allan , TENCATE, James A. , LE BAS, Pierre-Yves , GUYER, Robert A. , VU, Cung Khac , SKELT, Christopher H.
发明人： JOHNSON, Paul Allan , TENCATE, James A. , LE BAS, Pierre-Yves , GUYER, Robert A. , VU, Cung Khac , SKELT, Christopher H.
IPC分类号： G01V1/46
摘要： In some aspects of the disclosure, a method and an apparatus is disclosed for investigating material surrounding the borehole. The method includes generating a first low frequency acoustic wave within the borehole, wherein the first low frequency acoustic wave induces a linear and a nonlinear response in one or more features in the material that are substantially perpendicular to a radius of the borehole; directing a first sequence of high frequency pulses, with a frequency 10 to 1000 times that of the low frequency acoustic wave, in a direction perpendicularly with respect to the longitudinal axis of the borehole into the material contemporaneously with the first acoustic wave; and receiving one or more second high frequency pulses at one or more receivers positionable in the borehole produced by an interaction between the first sequence of high frequency pulses and the one or more features undergoing linear and nonlinear elastic distortion due to the first low frequency acoustic wave to investigate the material surrounding the borehole.

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