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 Weight
Rot. Wt. is the Rotating Weight or Free Rotating Weight of a drill pipe, when the drill string is rotating off bottom and is not moving up or down.
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