发明System and method for investigating sub-surface features of a rock formation with acoustic sources generating coded signals

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申请号 US201113292915 申请日 2011年11月09日 最早公开日 2012年05月17日 所属国家/地区 美国
公开号及公开日 授权日 2014年12月30日 说明书附图
申请人 VU CUNG KHAC (美国)  
NIHEI KURT (美国)  
JOHNSON PAUL A (美国)  
GUYER ROBERT (美国)  
TEN CATE JAMES A (美国)  
LE BAS PIERRE-YVES (美国)  
LARMAT CARENE S (美国)  
LOS ALAMOS NAT SECURITY (美国)  
CHEVRON USA INC (美国)  
发明人 VU CUNG KHAC   NIHEI KURT   JOHNSON PAUL A   GUYER ROBERT   TEN CATE JAMES A   LE BAS PIERRE-YVES   LARMAT CARENE S  
优先权 US20100413173P   20101112US201113292915   20111109
专利分类号 G01V1/44   G01V1/00   G01V1/46   G01V1/52   G10K15/02  
代理机构 代理人 Pillsbury Winthrop Shaw Pittman, LLP  

名称及摘要

用于调查岩层的地下特征的系统和方法
提供了一种用于调查井眼外侧岩层的方法和系统。该方法包括以下步骤:通过第一声源生成具有第一频率的第一声波;并且通过第二声源生成具有第二频率的第二声波。该第一和第二声源被设置在井眼的局部化区域内。该第一和第二声波在井眼外侧的相交体积中相交。该方法还包括以下步骤:在设置在井眼中的接收器处接收具有第三频率的第三声波,第三剪切声波因相交体积内的非线性混合区中的非线性混合过程而返回至井眼。该第三频率等于第一频率与第二频率之差。
System and method for investigating sub-surface features of a rock formation with acoustic sources generating coded signals
A system and a method for investigating rock formations includes generating, by a first acoustic source, a first acoustic signal comprising a first plurality of pulses, each pulse including a first modulated signal at a central frequency; and generating, by a second acoustic source, a second acoustic signal comprising a second plurality of pulses. A receiver arranged within the borehole receives a detected signal including a signal being generated by a non-linear mixing process from the first-and-second acoustic signal in a non-linear mixing zone within the intersection volume. The method also includes-processing the received signal to extract the signal generated by the non-linear mixing process over noise or over signals generated by a linear interaction process, or both.

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2012年02月17日 us_as 转让(新专利权人: LOS ALAMOS NATIONAL SECURITY LLC,NEW MEXICO
更多信息: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:JOHNSON,PAUL A.;TEN CATE,JAMES A.;LE BAS,PIERRE-YVES;AND OTHERS;SIGNING DATES FROM 20111209 TO 20111213;REEL/FRAME:027725/0477)
2012年02月17日 us_as 转让(新专利权人: CHEVRON U.S.A. INC.,CALIFORNIA
更多信息: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:VU,CUNG KHAC;NIHEI,KURT;GUYER,ROBERT;SIGNING DATES FROM 20111220 TO 20120117;REEL/FRAME:027724/0710)
2012年09月19日 us_as 转让(新专利权人: U.S. DEPARTMENT OF ENERGY,DISTRICT OF COLUMBIA
更多信息: CONFIRMATORY LICENSE;ASSIGNOR:LOS ALAMOS NATIONAL SECURITY;REEL/FRAME:029004/0763
生效日期: 20120904)
2013年02月19日 us_as 转让(新专利权人: U.S. DEPARTMENT OF ENERGY,DISTRICT OF COLUMBIA
更多信息: CONFIRMATORY LICENSE;ASSIGNOR:LOS ALAMOS NATIONAL SECURITY;REEL/FRAME:029835/0742
生效日期: 20120309)

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2014年06月20日