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H 型安全接头是一种井下安全装置，可以装接在井下管柱所需要的部位能经受住作业中的各种拉压负荷并传递扭矩。在井下作业中，一需要，该安全接头容易卸开，以便取出其上部管柱再次下钻时，也很容易对接上安全接头，继续进行作业。
H type safety joint, which is installed on the position required for subsurface drill stem and can bear in fishing operation all kinds of loads for pulling or pressing and used to transmit torque,is a subsurface safety equipment.In down hole operation,in case of being needed,the safety joint is easy to be discharged off so as to take out the drill stem above it. It is easy to butt the safety joint to go on fishing operation when running in hole again.
技术规格及参数
| 型号 |
外径(mm) |
内径(mm) |
接头螺纹 |
| HAJ89 |
89 |
15 |
NC26 |
| HAJ95 |
95 |
20 |
NC26 |
| HAJ105 |
105 |
30 |
NC31 |
| HAJ121 |
121 |
38 |
NC38 |
| HAJ159 |
159 |
50 |
NC46、NC50 |
| HAJ165 |
165 |
50 |
NC46、NC50 |
| HAJ178 |
178 |
57 |
NC50、5 1/2FH |
| HAJ203 |
203 |
71.4 |
6 5/8 REG |
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