内钩
内钩是用于从套管内或油管内部打捞各种绳类及其它落物，如钢丝绳，电缆，录井钢丝，刮蜡片等。内钩分死钩和活钩两种结构形式。
Internal hook
The Internal Hook is used for inside casings or tubings to catch all kinds of ropes and fishes such as wire
-lines,cables,logging steel pieces,paraffin cutters,etc. Internal hooks are ***ailable in two types:Live(adjustable) internal hook and Dead(fixed) internal hook.
内钩技术参数
Specification of Internal Fishhook
|
型号 Type |
***大外径 Max. O.D.(mm) |
接头螺纹 Connection(in) |
下入套管/油管 Casing/Tubing Size (in) |
|
NG73 |
73 |
2-3/8油管接箍 (Tubing Coupling) |
3-1/2油管(Tubing) |
|
NG95 |
95 |
NC26 |
4-1/2油管(Tubing) |
|
NG114 |
114 |
NC31 |
5-1/2套管(Casing) |
|
NG136 |
136 |
NC31 |
6-5/8套管(Casing) |
|
NG150 |
150 |
NC38 |
7套管(Casing) |
|
NG176 |
176 |
NC38 |
8-5/8套管(Casing) |
|
NG190 |
190 |
NC50 |
9-5/8套管(Casing) |