Surface Bumper Jars (DJ)
![]() Surface Bumper Jars (DJ) |
Product Description
The DJ type surface bumper jar is kind of stuck freeing tool for surface down jarring, it is connected with drill string section, the jarring force is adjusted on surface. Owning some advantages such s big jarring force, easy operation make it especially suitable for suck freeing of keyboard.
| Trademark: | TIANHE |
|---|---|
| Model NO.: | DJ |
| Origin: | China |
| Usage: | Well Drilling Machinery |
| Company: | Tianhe Oil Group Co., Ltd. |
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