Heave compensator | Article about heave compensator by The Free Dictionary
heave compensator[′hēv käm·pən‚sād·ər]
A motion compensator on a floating offshore drilling rig that moves with vertical motion to maintain a constant pressure on the drilling bit.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
The drill string is decoupled from the surface motion of the ship by a heave compensator
, a huge shock absorber built into the derrick so that cores can be cut and lifted smoothly.