Rotary table:

It has a beveled gear arrangement to create the rotational motion and an opening into which bushings are fitted to drive and support the drilling assembly.

Terms Related to Rotary table

• Rotary

  The machine used to impart rotational power to the drill stem while permitting vertical movement of the pipe for rotary drilling. Modern rotary machines have ...

• Kelly

  The heavy steel member, three-, four-, six-, or eight-sided, suspended from the swivel through the rotary table and connected to the topmost joint of drill ...

• Master bushing

  A device that fits into the rotary table to accommodate the slips and drive the kelly bushing so that the rotating motion of the rotary ...

• Swivel

  A rotary tool that is hung from the rotary hook and traveling block to suspend the drill stem and to permit it to rotate freely. ...

• Rotating components

  Those parts of the drilling or workover rig that are designed to turn or rotate the drill stem and bit - swivel, kelly, kelly busing, ...

• Dyna-drill

  Trade name for a downhole motor driven by drilling fluid that imparts rotary motion to a drilling bit connected to the tool, thus eliminating the ...

• Rotary helper

  A worker on a drilling or workover rig, subordinate to the driller, whose primary work station is on the rig floor. On rotary drilling rigs, ...