The Releasing and Circulating Overshot is simple and rugged and is strongest tool available to externally engage, pack off and pull a fish.
The internal catch mechanisms are of two basic types: a basket grapple and a spiral grapple. According to different uses, it may be equipped with some accessories, such as extension sub, wall hook, enlarged guide, etc.
When ordering or requesting quotation, please specify:
Type of overshot;
OD. of fish to be caught;
Size and type of top connection;
If size other than standard, please specify clearly. etc