Lubricated Fishing Bumper Sub
Lubricated fishing bumper sub is one of the jars which produce jarring force by meansof the energy caused by heavy weight objects when moving down, its inner chamber isfull of hydraulic oil so as to ensure a longer service life. The tool is suitable for deephole and middle deep hole operation. With some advantages: Can produce strong oneway down jarring force, maximum jarring force, continuous down jarring force. Mediumjarringforce; continuous upjar, low-gradejarringforce; canreleasefishingtool; canactasconstantpressuredrilltool,simply structure,easy operation, all these make itwidely usedjarring tool.
