Completed Works

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Completed Works

ApplicationOverview of ProjectWork LocationYear
Drilling LengthPipe Size (mmφ)Lithology
River Crossing
Water Main
240 m 250 in 350
(Pipe in pipe)
Sand, Gravel Hyogo,
JPN
1998
Shore Approach
Fiber Optic Cable
400 m x 2 2 x 100
(Borehole 310)
Limestone Okinawa,
JPN
1998
〜1999
Shore Approach
Fiber Optic Cable
400 m x 2 1 x 180 Sand Ibaraki,
JPN
2000
Shore Approach
Fiber Optic Cable
300 m x 2 1 x 180 Sand Nasgbu,
Philippines
2000
Shore Approach,
Electric Power Cable
240 m 1 x 220 Chert
(qu>500Mpa)
Okinawa,
JPN
2002
290 m Limestone
Shore Approach
Fiber Optic Cable
620 m 1 x 180 Sand Stone, Clay Singapore 2003
Through Mountain,
Water Drain
240 m 1 x 220 Quartz Schist Kumamoto,
JPN
2004
Shore Approach,
Fiber Optic Cable
530 m 1 x 180 Silt, Sand Singapore 2004
Through Mountain,
Water Main
650 m 160(HDPE)
in 220(Steel)
(Borehole 310)
Andesite Niigata,
JPN
2004
〜2005
Shore Approach,
Electric Power Cable
250 m
280 m
1 x 220 Limestone Okinawa,
JPN
2005
River/Railway
/Road Crossings,
Gas Pipeline
400 m
390 m
350 m
490 m
440 m
470 m
1 x 20 inch
4 x 28 inch



1 x 32 inch
Clay, Silt South Sumatra, Indonesia 2005
Shore Approach,
Deep Water Intake
240 m 1 x 340 Cobble,Basalt,
Sand
Shizuoka,
JPN
2005
〜2006
Island Hopping
Water Main
450m
760m
1 x 90
(HDPE)
Granite, Diorite Ehime,
JPN
2007
〜2008
Through Mountain,
Waterline
390m 1 x 400
(HDPE)
Greenstone, Shale Nara,
JPN
2007
〜2008
Shore Approach,
Fiber Optic Cable
360m 1 x 180 Clay, Silt, Sand Singapore 2008
Boring,
Geological Survey
1,000m 1 x 200
(Uncased hole)
Diverse Rocks - 2009
〜2010
Shore Approach,
Terrestrial Digital Cable
420m (2 x 100)
in 244
Andesite Chichijima Is.,
JPN
2010
Shore Approach,
Terrestrial Digital Cable
405m (2 x 100)
in 244
Andesite Hahajima Is.,
JPN
2010
Shore Approach,
Terrestrial Digital Cable
508m 2 x 100
(Borehole 310)
Limestone Okinawa,
JPN
2010
Shore Approach,
Terrestrial Digital Cable
373m 1 x 220 Tuff Kagoshima,
JPN
2010
Shore Approach,
Terrestrial Digital Cable
393m (2 x 100)
in 244
Limestone Okinawa,
JPN
2010〜2011
River Crossing,
Water Main
256m 1 x 299 Cobble, Gravel Hyogo,
JPN
2012
Shore Approach,
Gauging Cable
812m (2 x 89)
in 244
Sand Stone, Mud Stone Kochi,
JPN
2012
〜2013
Shore Approach,
Gauging Cable
1,350m (2 x 89)
in 244
Sand Stone, Mud Stone Tokushima,
JPN
2012
〜2013
Shore Approach,
Fiber Optic Cable
602m 2 x 100
(Borehole 310)
Limestone - 2014
〜2015
Shore Approach,
Fiber Optic Cable
496m 1 x 219
(Borehole 310)
Sand Stone, Mud Stone - 2015

Horizontal Drilling Dept, Japan Drilling Co., Ltd.

Tel: +81-3-5847-5858 Fax: +81-3-5644-5702
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