Wireline Core Barrel and overshot PQ NQ HQ BQ overshot for drilling

Wireline Core Barrel  PQ NQ HQ BQ  overshot assembly

• The overshot has a latching mechanism that connects to spear point on the top of the latching head to permit retrieving the inner barrel from the bottom of the hole without the entire drill string having to be removed.
  Wireline Core Barrel and overshot PQ NQ HQ BQ overshot for drilling