Oil & Gas Glossary 1.0
OIL & GAS TECHNICAL TERMS GLOSSARY
If you are looking for a definition of any technical terms in oil & gas field, then this site is yours.
Until now, we've collected around 2000 technical terms, but if this still not enough, and you've found any term that is not in our database, please contact us, and we will happily find it for you, or you can just check it again later, because every unsuccessful search will be recorded by our system for later update.
Thanks and happy searching ^^.
Search Result for Grapple
spiral grapple
A helically shaped gripping mechanism that is fitted into an overshot to retrieve fish from the borehole. See grapple.
basket grapple
An expandable, cylindrically shaped gripping mechanism that is fitted into an overshot to retrieve fish from the borehole. See grapple.
grapple
A mechanism that is fitted into an overshot to grasp and retrieve fish from the borehole. The interior of a grapple is wickered to engage the fish.
overshot
A fishing tool that is attached to tubing or drill pipe and lowered over the outside wall of pipe or sucker rods lost or stuck in the wellbore. A friction device in the overshot, usually either a basket or as spiral grapple, firmly grips the pipe, allowing the fish to be pulled from the hole.