Forging 73mm Water Well Drill Pipe Core Barrel Core Tube DZ240
The 73mm Water Well Drill Pipe DZ240 Core Barrel Core Tube is a specialized drilling component designed for core drilling operations. In core drilling, this pipe section attaches to the top of the bit to hold and protect the core while also acting as a guide drill tool during operation.
| Outer Diameter (mm) | Wall Thickness (mm) | Standard Length (m) | Connection Thread | Material | Compatible DTH Hammer |
|---|---|---|---|---|---|
| 50 | 6.0/6.5 | 1.0 / 1.5 / 2.0 / 3.0 | 65mm | DZ50 | 3/4 inch DTH hammer |
| 60 | 7.1 | 1.5 / 2.0 / 3.0 / 4.5 | 65mm | DZ50 | 3/4 inch DTH hammer |
| 76 | 6.0/7.0/8.0 | 1.5 / 2.0 / 3.0 / 4.5/6.0 | 2 3/8" API REG(NC26) | R780/DZ50 | 4/5 inch DTH hammer |
| 89 | 6.5/8.0/9.2 | 1.5 / 3.0 / 4.5 / 6.0 | 2 7/8" API REG(NC31) | R780/DZ50 | 5/6 inch DTH hammer |
| 102 | 8.0/8.4 | 2.0 / 3.0 / 4.5 / 6.0 | 2 7/8" API REG(NC31) | R780/G105 | 6/7 inch DTH hammer |
| 114 | 8.5/8.6 | 3.0 / 4.5 / 6.0 | 3 1/2" API REG(NC35) | R780/G105 | 7/8 inch DTH hammer |
| 127 | 9.0/10.0 | 3.0 / 4.5 / 6.0 | 3 1/2" API IF(NC38) | R780/G105 | 8/10 inch DTH hammer |
| 140 | 10/11 | 3.0/6.0 | 4 1/2" API REG | R780/G105 | 10/12 inch DTH hammer |
| Standard | Size | O.D×W | ID | Material | Remark |
|---|---|---|---|---|---|
| GB/T16950-1997 | 73 | Φ73x4.5 | Φ64 | DZ40 | Length and thread depends on customers demands. |
| 89 | Φ89x4.5 | Φ80 | DZ40 | ||
| 108 | Φ108x4.5 | Φ99 | DZ40 | ||
| 127 | Φ127x4.5 | Φ116 | DZ40 | ||
| 146 | Φ146x5 | Φ136 | DZ40 | ||
| 168 | Φ168x6.5 | Φ155 | DZ40 | ||
| DCDMA | AW | Φ57.4x4.40 | Φ48.6 | R780 | |
| BW | Φ73.2x6.35 | Φ60.5 | R780 | ||
| NW | Φ89.1x6.35 | Φ76.4 | R780 | ||
| HW | Φ114.3x6.35 | Φ101.6 | R780 | ||
| PW | Φ139.7x7.10 | Φ125.5 | R780 | ||
| SW | Φ168.3x6.15 | Φ155.7 | R780 |
The single-acting double-layer core barrel Water Well Drill Pipe features a simple structure, easy operation, excellent coaxiality, and long service life. These characteristics effectively improve the adoption rate of rock and ore core while ensuring the integrity of rock and ore core samples.
- Apply thread oil to new drill tubes before connection
- Perform make up and break operations at least 3 times before drilling
- Hard bending and plastic coating can be processed according to customer special requirements
Jinzhou Shitan Machinery Equipment Co., Ltd. specializes in drilling equipment including:
- Pneumatic Drilling Rigs (ST-180, ST-200, ST-260, ST-300, ST-350, ST-400, ST-450, ST-500, ST-600, ST-800)
- Crawler Water Well Drilling Rigs / Trailer Mounted Drilling Rigs
- Hydraulic Borewell Machines / Hard Rock Drilling Equipment
- Diamond Core Drill Rigs / Geological Drilling Rigs
- Soil Testing Drilling Rigs / Portable Water Well Drilling Rigs
- Drilling Mud Pumps, Air Compressors, Drill Bits, Drill Pipes, and Spare Parts
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