rabbit rate of penetration rathole ream reciprocating revolutions per minute riser RKB rotating off bottom (ROffB) rotating on bottom (ROnB) rotational viscometer rotating weight
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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