Fishing Bumper Subs
These fishing bumper subs are special mechanical down jarring tools with a long working stroke. They can apply large jarring forces on stuck pipe stems repeatedly to release the drilling components.
The fishing bumper sub is a kind of mechanical down jarring tool with long working stroke. It can jar stuck pipe stem repeatedly to loose stuck point to release stuck pipe.
Specifications| Parameter/ Type | | | | |||
| OD(mm) | 203 | 178 | 159 | 146 | 121 | 114 |
| ID(mm) | 70 | 70 | 51 | 51 | 38 | 38 |
| Closed length(mm) | 2740 | 2650 | 2600 | 2300 | 2110 | 2000 |
| Work stroke(mm) | 1500 | 1400 | 1400 | 1200 | 1000 | 1000 |
| Thread conn. | 6 5/8REG | NC50 | NC50 | NC40 | NC38 | NC31 |
| Max. tensile load(T) | 163 | 153 | 143 | 132 | 122 | 112 |
| Sealing pressure(MPa) | 20 | 20 | 20 | 20 | 20 | 20 |
Related products
.jpg "Fishing Tools (for Drilling Industry)")
Send Message
Most Recent
More
Other Products
Videos
