To disengage the tool from the packer or object, after the ratchet means is released, the drill string is moved away from the object and rotated in a second direction relative to the mandrel in order to latch the mandrel to {HEAD ~ the drill string} with {TAIL ~ the string engaging means} 
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To disengage the tool from the packer or object , after the ratchet means is released , the drill string is moved away from the object and rotated in a second direction relative to the mandrel in order to latch the mandrel to { HEAD ~ the drill string } with { TAIL ~ the string engaging means }
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