7" Bow Centralizer Hinged with Nails
Puyang Zhongshi Group Co., Ltd.- Standard：API, ISO
- Usage：Well Drilling Machinery
- Material：65 Mn
- Drilling Depth：3000m
- Type：Petroleum Drilling Tool & Accessory
- Tractor Hoist Type：Casing Accessory
Base Info
- Model NO.：ZS72
- Offshore Unit Type：Drill Pipe Centralizer
- Diameter：5 1,2" to 20"
- Use：Horizontal Oil Well and Straight Wells
- Surface Treatment：Electrostatic Painting
- Plate Thickness：3.8 Mm
- Color：Red, Black, Orange or Others
Description
| NO. | Specification & Size | I.D. mm | Height mm | Total Height | Max Diameter |
| 1 | 5" *12-1/4" | 128-131 | 105 | 690 | 330 |
| 2 | 5" *20" | 128-131 | 105 | 720 | 535 |
| 3 | 5-1/2"* 7" | 142-148 | 55 | 650 | 215 |
| 4 | 5-1/2" * 8-1/2" | 142-148 | 55 | 650 | 225 |
| 5 | 6" *8-1/2" | 156-158 | 55 | 650 | 235 |
| 6 | 7"*8-1/2" | 181-186 | 55 | 650 | 235 |
| 7 | 7" *9-5/8" | 181-186 | 55 | 650 | 255 |
| 8 | 7-5/8 *9-5/8 | 197-201 | 55 | 650 | 275 |
| 9 | 9-5/8 * 12-1/4" | 250-255 | 55 | 650 | 330 |
| 10 | 13-3/8 * 17-1/2 | 342-347 | 55 | 650 | 450 |
| 11 | 5-1/2*8-1/2 | 142-148 | 110 | 650 | 225 |
| 12 | 7" * 9-5/8 | 181-186 | 110 | 650 | 255 |
| 13 | 7" * 8-1/2 | 181-186 | 110 | 650 | 235 |
| 14 | 5"* 6-1/2 | 128-131 | 110 | 650 | 175 |
| 15 | 7-5/8 *9-1/2 | 196-200 | 110 | 650 | 250 |
| 16 | 10-3/4 *12-1/4 | 274-276 | 110 | 650 | 330 |
| 17 | 5" *6-1/4 | 130-132 | 110 | 650 | 170 |
| 18 | 9-5/8 * 12-1/4 | 250-255 | 110 | 650 | 330 |
| 19 | 13-3/8 * 17-1/2 | 342-347 | 110 | 650 | 450 |
| 20 | 5-1/2 * 8-1/2" | 142-148 | 55 | 650 | 225 |