The document is an operation manual for a double acting hydraulic drilling jar Recommended for use in extended reach or highly deviated wells where jar performance could suffer due to hole drag It describes the jar's purpose of applying an impact force to free a stuck portion of the drilling string.
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A double acting hydraulic mechanical drilling jar installed in the drilling string is immediately available to apply jarring action and release the stuck portion of the drilling string.the 'pd' double acting hydraulic mechanical drilling jar is designed for use during drilling operations to applyoperating manual double acting hydraulic.the.
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The document describes the wenzel downhole double acting hydraulic drilling jar (hjda)
The hjda allows variable impact forces in both upward and downward directions without a mechanical latch It uses hydraulics to control impact force and delay timing across all operating temperatures. Our hydraulic mechanical drilling jars offer consistent, reliable jarring impact configured to operator specifications A mechanical latch prevents unintentional jarring.
The document is a 10 page operating manual for a wenzel double acting hydraulic drilling jar.
