Overshot 1
Overshot 1 :
(n.) Well Workover and Intervention. A downhole tool used in fishing operations to engage on the outside surface of a tube or tool. A grapple, or similar slipmechanism, on the overshot grips the fish, allowing application of tensile force and jarring action. If the fish cannot be removed, a release system within the overshot allows the overshot to be disengaged and retrieved
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