You must log in to edit PetroWiki. Help with editing
Content of PetroWiki is intended for personal use only and to supplement, not replace, engineering judgment. SPE disclaims any and all liability for your use of such content. More information
Glossary:Kelly
Jump to navigation
Jump to search
The square or hexagonal rotating shaft on a drilling rig that receives torque from the kelly bushing rotary table and transfers it to the drillstring. (Not used where a Top drive is used to turn the string).