公开(公告)号：EP2419762A1

公开(公告)日：2012-02-22

申请号：EP10715066.6

申请日：2010-04-16

申请人： Chevron U.S.A., Inc. ,  Los Alamos National Security LLC

发明人： JOHNSON, Paul, A. ,  VU, Cung ,  TEN CATE, James, A. ,  GUYER, Robert ,  LE BAS, Pierre-Yves ,  NIHEI, Kurt, T. ,  SCHMITT, Denis, P. ,  SKELT, Christopher

IPC分类号： G01V1/46

CPC分类号： G01V1/44 ,  G01V1/006 ,  G01V2210/125 ,  G01V2210/127 ,  G01V2210/588

摘要： In some aspects of the disclosure, a method for creating three-dimensional images of non-linear properties and the compressional to shear velocity ratio in a region (180) remote from a borehole (110) using a conveyed logging tool (140) is disclosed. In some aspects, the method includes arranging a first source (105) in the borehole and generating a steered beam of elastic energy at a first frequency; arranging a second source (115) in the borehole (110) and generating a steerable beam of elastic energy at a second frequency, such that the steerable beam at the first frequency and the steerable beam at the second frequency intercept at a location (130) away from the borehole (110); receiving at the borehole (110) by a sensor (135) a third elastic wave, created by a three wave mixing process, with a frequency equal to a difference between the first and second frequencies and a direction of propagation towards the borehole.

公开(公告)号：EP2419763B1

公开(公告)日：2015-05-20

申请号：EP10715633.3

申请日：2010-04-16

申请人： Chevron U.S.A. Inc. ,  Los Alamos National Security LLC

发明人： JOHNSON, Paul, A. ,  VU, Cung ,  TEN CATE, James, A. ,  GUYER, Robert ,  LE BAS, Pierre-Yves ,  NIHEI, Kurt, T. ,  SCHMITT, Denis, P. ,  SKELT, Christopher

IPC分类号： G01V1/46

CPC分类号： G01V1/44 ,  G01V1/006 ,  G01V2210/125 ,  G01V2210/127 ,  G01V2210/588

公开(公告)号：EP2419762B1

公开(公告)日：2015-08-19

申请号：EP10715066.6

申请日：2010-04-16

申请人： Chevron U.S.A. Inc. ,  Los Alamos National Security LLC

发明人： JOHNSON, Paul, A. ,  VU, Cung ,  TEN CATE, James, A. ,  GUYER, Robert ,  LE BAS, Pierre-Yves ,  NIHEI, Kurt, T. ,  SCHMITT, Denis, P. ,  SKELT, Christopher

IPC分类号： G01V1/46

CPC分类号： G01V1/44 ,  G01V1/006 ,  G01V2210/125 ,  G01V2210/127 ,  G01V2210/588

公开(公告)号：EP2419763A1

公开(公告)日：2012-02-22

申请号：EP10715633.3

申请日：2010-04-16

申请人： Chevron U.S.A., Inc. ,  Los Alamos National Security LLC

发明人： JOHNSON, Paul, A. ,  VU, Cung ,  TEN CATE, James, A. ,  GUYER, Robert ,  LE BAS, Pierre-Yves ,  NIHEI, Kurt, T. ,  SCHMITT, Denis, P. ,  SKELT, Christopher

IPC分类号： G01V1/46

CPC分类号： G01V1/44 ,  G01V1/006 ,  G01V2210/125 ,  G01V2210/127 ,  G01V2210/588

摘要： In some aspects of the disclosure, a method for creating three-dimensional images of non-linear properties and the compressional to shear velocity ratio in a region (130) remote from a borehole using a conveyed logging tool (140) is disclosed. In some aspects, the method includes arranging a first source (105) in the borehole (110) and generating a steered beam of elastic energy at a first frequency; arranging a second source (115) in the borehole (110) and generating a steerable beam of elastic energy at a second frequency, such that the steerable beam at the first frequency and the steerable beam at the second frequency intercept at a location (130) away from the borehole (110); receiving at the borehole (110) by a sensor (135) a third elastic wave, created by a three wave mixing process, with a frequency equal to a difference between the first and second frequencies and a direction of propagation towards the borehole (110).