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JAEA Reports

Horonobe Underground Research Laboratory Project; The Results of the pilot borehole investigation of the ventilation shaft (PB-V01); Geophysical loggings

Funaki, Hironori; Asamori, Koichi; Sanada, Hiroyuki; Hatsuyama, Yoshihiro*; Yamamoto, Takuya*; Ijiri, Yuji*; Matsuoka, Kiyoyuki*; Kimura, Kazuhiro*; Lin, S.*; Kumagai, Toshifumi*

JAEA-Data/Code 2010-002, 151 Pages, 2010/06

JAEA-Data-Code-2010-002.pdf:43.13MB

JAEA is implementing Horonobe URL Project as research and development of geological disposal. The investigation of the pilot boring was carried out around the Ventilation shaft in order to decide grouting plan and plant of effluent treating. This report summarize as data-code results of geophysical loggings.

JAEA Reports

Horonobe Underground Research Laboratory project overview of the pilot borehole investigation of the ventilation shaft (PB-V01); Hydrogeological investigation

Yabuuchi, Satoshi; Kunimaru, Takanori; Ishii, Eiichi; Hatsuyama, Yoshihiro*; Ijiri, Yuji*; Matsuoka, Kiyoyuki*; Ibara, Tetsuo*; Matsunami, Shinjiro*; Makino, Akiya*

JAEA-Data/Code 2008-026, 62 Pages, 2009/02

JAEA-Data-Code-2008-026.pdf:8.23MB

The Pilot Borehole Investigation of the Ventilation Shaft was conducted in Horonobe, Hokkaido, Japan from October 2007 to March 2008. Main purpose of the investigation is to understand geological, hydrogeological and hydrochemical properties of the formation where the Ventilation Shaft has been excavated. Hydraulic packer tests show that hydraulic conductivity lies in the range from 1.1E-11 to 1.4E-7 m/sec down to 500 m in depth. This heterogeneity mainly depends on the distribution and permeability of groundwater inflow points, which were detected by Fluid Electric Conductivity logging. High conductive zones were found between 263 m and 290 m, 355 m and 370 m of the depth in the pilot borehole. An effective method for reducing groundwater inflow should be considered for the deeper Ventilation Shaft excavation.

JAEA Reports

None

Matsuoka, Kiyoyuki*

JNC TJ7420 2005-114, 59 Pages, 2000/03

JNC-TJ7420-2005-114.pdf:11.24MB

no abstracts in English

JAEA Reports

None

Matsuoka, Kiyoyuki*; *

PNC TJ7586 98-001, 150 Pages, 1998/02

PNC-TJ7586-98-001.pdf:5.94MB

None

JAEA Reports

Geophysical logging report of TFA-1 drill hole in Tono Mine

Matsuoka, Kiyoyuki*; Sakurai, Yutaka*

JNC TJ7586 98-002, 63 Pages, 1998/02

JNC-TJ7586-98-002.pdf:2.0MB

None

JAEA Reports

None

*; *; Matsuoka, Kiyoyuki*

PNC TJ7586 97-001, 59 Pages, 1997/06

PNC-TJ7586-97-001.pdf:4.72MB

None

JAEA Reports

None

*; *; Matsuoka, Kiyoyuki*

PNC TJ7586 96-003, 240 Pages, 1997/02

PNC-TJ7586-96-003.pdf:12.14MB

no abstracts in English

JAEA Reports

None

Matsuoka, Kiyoyuki*; *

PNC TJ7586 96-002, 88 Pages, 1996/03

PNC-TJ7586-96-002.pdf:74.66MB

no abstracts in English

JAEA Reports

None

Matsuoka, Kiyoyuki*; *

PNC TJ7586 95-006, 56 Pages, 1995/11

PNC-TJ7586-95-006.pdf:1.1MB

None

JAEA Reports

None

Matsuoka, Kiyoyuki*; *; *

PNC TJ7586 95-003, 128 Pages, 1995/03

PNC-TJ7586-95-003.pdf:63.05MB

no abstracts in English

JAEA Reports

None

Matsuoka, Kiyoyuki*; *; *

PNC TJ7586 95-002, 179 Pages, 1995/03

PNC-TJ7586-95-002.pdf:23.65MB

no abstracts in English

JAEA Reports

None

Matsuoka, Kiyoyuki*; *

PNC TJ7586 95-001, 28 Pages, 1995/03

PNC-TJ7586-95-001.pdf:3.8MB

no abstracts in English

JAEA Reports

None

Matsuoka, Kiyoyuki*; *; *

PNC TJ7586 94-004, 136 Pages, 1994/03

PNC-TJ7586-94-004.pdf:65.23MB

no abstracts in English

JAEA Reports

None

Matsuoka, Kiyoyuki*; *; *

PNC TJ7586 94-002, 115 Pages, 1994/03

PNC-TJ7586-94-002.pdf:115.47MB

no abstracts in English

JAEA Reports

None

Matsuoka, Kiyoyuki*; *; *

PNC TJ7586 94-001, 43 Pages, 1994/03

PNC-TJ7586-94-001.pdf:51.54MB

no abstracts in English

Oral presentation

Identification of the water-conducting features using fluid electric conductivity logging

Takeuchi, Shinji; Matsuoka, Kiyoyuki*; Niibori, Yuichi*

no journal, , 

Fluid Electric Conductivity (FEC) Logging was performed in 1000m borehole, named DH-15, located near to the Mizunami Underground Research Laboratory Site in Mizunami, central Japan. The purpose of this study is to detect water-conducting features of fractured rock in the deep borehole and to evaluate hydraulic properties such as transmissivity and electric conductivity (salinity). 29 water-conducting features (WCFs) were identified by the logging with changing pumping rate three times and evaluated hydraulic properties with numerical simulation based on the advection-diffusion equation. We propose this method would be useful for evaluating hydraulic properties for WCFs in deep underground effectively.

Oral presentation

Re-interpretation of the fluid electric conductivity measurements carried out in the MIZ-1 borehole at the Mizunami Underground Research Laboratory project

Bruines, P.*; Ando, Kenichi*; Niibori, Yuichi*; Matsuoka, Kiyoyuki*; Takeuchi, Shinji

no journal, , 

Fluid electric conductivity (FEC) measurements have been carried out in the 1,350 m long MIZ-1 borehole followed by the modeling of FEC curve with newly developed finite difference code and obtaining tranmissivity in each feed point from FEC logging. The obtained results are comparable to those obtained by hydraulic testing. The method can be valuable to help in the selection of locations for more detailed hydraulic tests. Under certain circumstances the method can be used as a low cost alternative to hydraulic testing.

17 (Records 1-17 displayed on this page)
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