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 US2012120763A1   2012年05月17日
US8923092B2   2014年12月30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 Pillsbury Winthrop Shaw Pittman, LLP   代理人

名称及摘要

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.
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.

同族及引用

同族专利 (34) 引用其他专利(2) 被其他专利引用(40)

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