| |
AJ型安全接头是一种由两件组装起来的专用接头，是钻井、修井、试油（气）等工程中对钻柱起保护作用的一种专用工具。它适用于井下事故处理，也适用于钻井和取芯的中途测试。将它连接于所用钻柱的需要部位，保护钻柱、不影响钻具正常工作。
AJ type safety joint is a specialized joint consisting of two parts.The specialized joint takes protective effect for drilling stem in drilling ,repairing and test oil (gas)engineering,etc.It is used to treat well bottom accident and used to be on -the -way test in drilling and coring operation. It is connected to the required position of drilling stem to protect drilling stem without any influence on the normal working of drilling tool.
技术规格及参数
| 型号 |
外径(mm) |
内径(mm) |
接头螺纹 |
| AJ-C86 |
86 |
38 |
NC26 |
| AJ-C95 |
95 |
44 |
NC26 |
| AJ-C105 |
105 |
51 |
NC31、2 7/8NU、2 7/8EUE |
| AJ-C121 |
121 |
57 |
NC38 |
| AJ-C159 |
159 |
71.4 |
NC46、NC50 |
| AJ-C165 |
165 |
71.4 |
NC50 |
| AJ-C178 |
178 |
71.4 |
NC50、5 1/2FH |
| AJ-C203 |
203 |
76 |
6 5/8REG |
| AJ-C228 |
228 |
76 |
7 5/8REG |
|
|
