ボアホールを囲む層の線形及び非線形特性を画像処理する装置及び方法

Japanese Patent JP2013545077

A

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.

Johnson, Paul Alan
Ten Kate, James A.
Lebus, Pierre-Eve
Goya, Robert A.
Voo, Kung Kuck
Skeleton, Christopher H.

JP2013531761A

December 19, 2013

September 28, 2011

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Chevron U.S.A.Inc.

G01V1/00; G01B17/06

US20020122352A1	2002-09-05
WO2009152416A2	2009-12-17

JPN5014000160; Ｄ．　Ａ．　ＫＡＳ'ＹＡＮＯＶ: 'ＮＯＮＬＩＮＥＡＲ　ＡＣＯＵＳＴＩＣ　ＬＯＧＧＩＮＧ' ＸＩ　ＳＥＳＳＩＯＮ　ＯＦ　ＴＨＥ　ＲＵＳＳＩＡＮ　ＡＣＯＵＳＴＩＣＡＬ　ＳＯＣＩＥＴＹ , 20010101, Ｐ３６１-３６４
JPN5014000160; Ｄ．　Ａ．　ＫＡＳ'ＹＡＮＯＶ: 'ＮＯＮＬＩＮＥＡＲ　ＡＣＯＵＳＴＩＣ　ＬＯＧＧＩＮＧ' ＸＩ　ＳＥＳＳＩＯＮ　ＯＦ　ＴＨＥ　ＲＵＳＳＩＡＮ　ＡＣＯＵＳＴＩＣＡＬ　ＳＯＣＩＥＴＹ , 20010101, Ｐ３６１-３６４

Satoshi Murakoshi
Yuichi Obata
Seiji Kurishita

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