| Customization: | Available |
|---|---|
| After-sales Service: | Support |
| Warranty: | Support |
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Double acting hydraulic -mechanical driling jar for directional driling and deep well drilling .
The QYSZ type double acting hydaulic -mechanical drilling jar in one body ,is designed to delivery hydraulic dely when jarring in hte up direction ,and mechanical force release when jarring in the down direction .it provides excelent functional stability and strong jarring forces in both jarring directions .it is used to free stuck drill string components and is recommendded for directional drilling and deepwells drilling applications .
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