Kelly drive
id:
kelly-drive-203-5015268
title:
Kelly drive
text:
A kelly drive is a type of well drilling device on an oil or gas drilling rig that employs a section of pipe with a polygonal or splined outer surface, which passes through the matching polygonal or splined kelly (mating) bushing and rotary table. This bushing is rotated via the rotary table and thus the pipe and the attached drill string turn while the polygonal pipe is free to slide vertically in the bushing as the bit digs the well deeper. When drilling, the drill bit is attached at the end o
brand slug:
wiki
category slug:
encyclopedia
description:
Part of a drilling rig drive system
original url:
https://en.wikipedia.org/wiki/Kelly_drive
date created:
date modified:
2022-11-08T08:16:24Z
main entity:
{"identifier":"Q6386352","url":"https://www.wikidata.org/entity/Q6386352"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/e/e9/Oil_Rig_NT8.svg","width":920,"height":1120}
fields total:
13
integrity:
15