| 出生地 |
Shandong China (Mainland) |
| 牌子的名字 |
Nera |
| 模式的数量 |
3-1/2" |
| 类型 |
钻杆 |
| 机器型号 |
钻探工具 |
| 验证 |
Other |
| 材料 |
碳钢 |
| 处理类型 |
建立 |
| 使用 |
钻井 |
Casing ProtectorCasing protector is used to connect to DP to form a brace to avoid DP connection wearing casing as well as reduce torque to protect DP.It can work in high-angle deviated directional well, horizontal well, conventional directional well, deep well and lateral well according to reality.Main parameters:Size3-1/2"5"5-1/2"O.D.146mm190mm212mmCasing Size7"9-5/8"10-3/4"Connection3-1/2 IF4-1/2 IF5-1/2 FHWater passage Dia.62mm78mm91.5mmLength900mm900mm900mmService life2500 hours2500 hours3000 hours