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[China]
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Address: No. 8 Changyuan Road, Huishan District, Wuxi City, Jiangsu, China 214174
Contact name:XU
CGE Group Wuxi Drilling Tools Co., Ltd. |
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Verified Suppliers
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HW DCDMA Borehole Wireline Drill Pipe Casing For Geotechnical
Environmental Drilling
HW DCDMA borehole wireline casing tubes
This casing is intended for single use or situations where the
casing is left in the hole. The HW
casing is made from DCDMA tubing and utilize the DCDMA W
thread form. The HW thread is a
straight thread (4 threads per inch). This casing is universal in
design and can be used in any drilling
application where threaded casing is required to be left in the
ground.
Features
TUBING
Parallel wall tubing compatible with Wireline in-hole tools
Standard DCDMA W sizes allow ‘nesting’ of other W casing
THREAD DESIGN
Double-butt joint gives strength in driving and jarring
| Type | O.D./ I.D. | Recommended Drilling Depth |
| B/WL Drill Rod | Φ55.6mm/Φ46mm | 1200m |
| N/WL Drill Rod | Φ70.1mm/Φ60.1mm | 1800m |
| H/WL Drill Rod | Φ88.9mm/Φ77.8mm | 1800m |
| P/WL Drill Rod | Φ114.3mm/Φ101.6mm | 1800m |
| W Casing paramters | ||||||
| Std | OD (mm) | ID (mm) | Wall Thickness (mm) | Thread Pitch (mm) | Pin Thread Length (mm) | Weight (kg/m) |
| AW | 57.20 | 48.40 | 4.40 | 6.35 | 57.20 | 6.00 |
| BW | 73.00 | 60.30 | 6.00 | 6.35 | 63.50 | 11.00 |
| NW | 88.90 | 76.20 | 6.35 | 6.35 | 69.90 | 13.30 |
| HW | 114.30 | 101.60 | 6.35 | 6.35 | 76.20 | 17.30 |
| PW | 139.70 | 127.00 | 6.35 | 8.47 | 82.60 | 23.30 |
