Drilling Industry Glossary
rabbit
rate of penetration
rathole
ream
reciprocating
relief well
reservoir
revolutions per minute
rig
rigging up
riser
rotary drilling
RKB
rotary table
rotating off bottom (ROffB)
rotating on bottom (ROnB)
rotating weight
rotational viscometer
roughneck
Rotating On Bottom (ROnB)
Pipe rotates without any axial movement, such as rate of penetration or tripping. However, weight on bit (WOB) and torque on bit (TOB) are present because bit is engaged with formation.
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