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HYDRAULIC/MECHANICAL DRILLING JAR
The Maple Leaf Energy Services Hydraulic / Mechanical (HMJ) is a double acting drilling jar, designed to deliver hydraulic delay when jarring in the up direction, and mechanical release when jarring in the down direction. The HMJ incorporates a latch mechanism to keep the jar locked in the neutral position and eliminate unexpected jarring when tripping or racking back in the derrick.
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