Completed Works
| Application | Overview of Project | Work Location | Year | ||
|---|---|---|---|---|---|
| Pipe Size (mmφ) | Pipe Length | Lithology | |||
| River Crossing Water Main |
250 in 350 (Pipe in pipe) |
240 m | Sand, Gravel | Hyogo, JPN |
1998 |
| Shore Approach Fiber Optic Cable |
2 x 100 (Borehole 310) |
2 x 400 m | Limestone | Okinawa, JPN |
1998 〜1999 |
| Shore Approach Fiber Optic Cable |
1 x 180 | 2 x 400 m | Sand | Ibaraki, JPN |
2000 |
| Shore Approach Fiber Optic Cable |
1 x 180 | 2 x 300 m | Sand | Nasgbu, Philippines |
2000 |
|
Shore Approach, Electric Power Cable |
1 x 220 | 240 m | Chert (qu>500Mpa) |
Okinawa, JPN |
2002 |
| Shore Approach, Electric Power Cable |
1 x 220 | 290 m | Limestone | Okinawa, JPN |
2002 |
| Shore Approach Fiber Optic Cable |
1 x 180 | 620 m | Sand Stone, Clay | Singapore | 2003 |
| Through Moutain, Water Drain |
1 x 220 | 240 m | Quartz Schist | Kumamoto, JPN |
2004 |
| Shore Approach, Fiber Optic Cable |
1 x 180 | 530 m | Silt, Sand | Singapore | 2004 |
| Through Moutain, Water Main |
160(HDPE) in 220(Steel) (Borehole 310) |
650 m | Andesite | Niigata, JPN |
2004 〜2005 |
| Shore Approach, Electric Power Cable |
1 x 220 | 250 m 280 m |
Limestone | Okinawa, JPN |
2005 |
| River/Railway /Road Crossings, Gas Pipeline |
1 x 20 inch 4 x 28 inch 1 x 32 inch |
(6 bores) 2,530 m |
Sand, Clay, Gravel | South Sumatra, Indonesia | 2005 |
| Shore Approach, Deep Water Intake |
1 x 340 | 240 m | Cobble,Basalt, Sand |
Shizuoka, JPN |
2005 〜2006 |
| Island Hopping Water Main |
1 x 90 (HDPE) |
450m 760m |
Granite, Diorite | Ehime, JPN |
2007 〜2008 |
| Through Mountain, Waterline |
1 x 400 (HDPE) |
390m | Greenstone, Shale | Nara, JPN |
2007 〜2008 |
| Shore Approach, Fiber Optic Cable |
1 x 180 | 360m | Clay, Silt, Sand | Singapore | 2008 |
| Boring, Geological Survey |
1 x 200 （Uncased hole） |
1,000m | Diverse Rocks | - | 2009 〜2010 |
| Shore Approach, Terrestrial Digital Cable |
(2 x 100) in 244 |
420m | Andesite | Chichijima Is., JPN |
2010 |
| Shore Approach, Terrestrial Digital Cable |
(2 x 100) in 244 |
405m | Andesite | Hahajima Is., JPN |
2010 |
| Shore Approach, Terrestrial Digital Cable |
2 x 100 | 508ｍ | Limestone | Okinawa, JPN |
2010 |
| Shore Approach, Terrestrial Digital Cable |
1 x 220 | 373ｍ | Tuff | Kagoshima, JPN |
2010 |
| Shore Approach, Terrestrial Digital Cable |
(2 x 100) in 244 |
393ｍ | Limestone | Okinawa, JPN |
2010〜2011 |
Applied Technology Dept, Japan Drilling Co., Ltd.
Tel: +81-3-5847-5858 Fax: +81-3-5644-5712
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