Oil & Gas Glossary 1.0
OIL & GAS TECHNICAL TERMS GLOSSARY
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Search Result for Basket Sub
basket
A device employed to catch debris from drillable tools, perforators, and so on
basket sub
A fishing accessory run above a bit or a mill to recover small, nondrillable pieces of metal or junk.
catcher
A device fitted into a junk basket and acting as a trap door to retain the junk
basket grapple
An expandable, cylindrically shaped gripping mechanism that is fitted into an overshot to retrieve fish from the borehole. See grapple.
boot basket
See boot sub
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.