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Journal Articles

Seismic imaging for 3-D RVSP data using image point transform

Lee, C.*; Matsuoka, Toshiyuki; Ishigaki, Koichi; Tanoue, Masayoshi*; Yamaguchi, Shinji*; Tsuchiya, Terumitsu*; Matsuoka, Toshifumi*

Proceedings of 11th International Symposium on Recent Advances in Exploration Geophysics (RAEG 2007), p.69 - 71, 2007/04

Image Points are defined through geometry of sources, receivers and reflectors. IP (Image Point) transform is one type of Radon transform which change common shot section to IP domain (r-x). By the IP transform, reflection signals in time domain can be accumulated and enhanced in IP domain. We applied the IP transform to the field data of RVSP that had been carried out at the Mizunami Underground Research Laboratory (MIU) site. We could get the fault image around the MIU site using IP transform.

Journal Articles

Seismic imaging for 3-D VSP data using image point transform

Lee, C.*; Matsuoka, Toshiyuki; Ishigaki, Koichi; Tanoue, Masayoshi*; Narita, Norifumi*; Kojima, Masakazu*; Tsuchiya, Terumitsu*; Matsuoka, Toshifumi*

Proceedings of 10th International Symposium on Recent Advances in Exploration Geophysics (RAEG 2006), p.143 - 146, 2006/00

It is known that 3-D Vertical Seismic Profile (VSP) method has an advantage on imaging the fault and fracture zone near the borehole, especially steeply dipped structure. Cosma et al (2003) has developed the new technique named Image Point Transform (IP Transform) and applied to offset VSP data to improve the week reflection signals from the steeply dipped fracture. We test the applicability of this method to the 3-D Reverse VSP data of numerical simulation and develop the method of imaging named spectral operator of middle point of IP. In the results of applying to 3-D model of steeply dipped fracture, we know that this method is applicable to 3-D reverse VSP data and could get the good image of fracture reconstructed by spectral operator of middle point of IP.

JAEA Reports

None

Tsuchiya, Terumitsu*; Narita, Norifumi*; Tani, Kazuyuki*

JNC TJ7400 2005-022, 45 Pages, 2004/01

no abstracts in English

JAEA Reports

Multi-Offset VSP survey at BoreHole DH-2

Tsuchiya, Terumitsu*; Narita, Norifumi*

JNC TJ7440 2005-059, 151 Pages, 2003/03

JNC-TJ7440-2005-059.PDF:30.48MB

no abstracts in English

Oral presentation

Investigation of technical information related to deep borehole disposal

Koo, Shigeru*; Makino, Hitoshi; Yamaguchi, Masaaki; Ebashi, Takeshi; Takahashi, Hirokazu*; Tsuchiya, Terumitsu*; Mitsuyama, Kazuaki*

no journal, , 

no abstracts in English

5 (Records 1-5 displayed on this page)
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