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Home > Product Center>Drilling jars >JYSZ type double-acting hydraulic-mechanical drilling jar
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The upward jarring action of JYSZ type double-acting hydraulic-mechanical drilling jar is hydraulic principle to achieve the stapless adjustment of the upward jarring tonnage, and the downward jarring action is mechanical principle. The specially designed locking mechanism can avoid the false upward jarring action. The jar with a special flexible joint can effectively reduce the jar itself bending stress. The tool is made of new special materials to ensure higher performance and reliability. The delay time range is 30s ~ 120s and the temperature range is -20 to 150 ℃.It is widely used for drilling, coring, well repairing and fishing operation.

The upward jarring action of JYSZ type double-acting hydraulic-mechanical drilling jar is hydraulic principle to achieve the stapless adjustment of the upward jarring tonnage, and the downward jarring action is mechanical principle. The specially designed locking mechanism can avoid the false upward jarring action. The jar with a special flexible joint can effectively reduce the jar itself bending stress. The tool is made of new special materials to ensure higher performance and reliability. The delay time range is 30s ~ 120s and the temperature range is -20 to 150 ℃.It is widely used for drilling, coring, well repairing and fishing operation.
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Tianhe Oil Group Huifeng Petroleum Equipment CO. ltd.