The BT GG Overshot is designed to latch fishnecks that have been damaged and / or not retrievable by conventional pulling tools.
Type BT GG Overshot consists of three components:
1. Top Sub 2. Housing 3. Collet 4. Cap
The BT GG Overshot is generally used when there is a need to latch a fishneck that has been damaged due to corrosion, intense jarring, or deformation of the fishneck. The BT GG utilizes a collet to achieve a uniform grip on a damagedfishneck rather than just in a localized spots as conventional pulling tools do.
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