motion compensator


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motion compensator

[′mō·shən ‚käm·pən‚sād·ər]
(petroleum engineering)
A device for maintaining constant weight on the bit during vertical motion of a floating offshore drilling rig.
References in periodicals archive ?
Operating specifications include ten diesel-generator sets and eight thrusters, four 2,200-hp mud pumps, and a leading-edge drilling package built to perform in high seas, with a one million pound capacity motion compensator.
Atlantic Marine is charged with converting the 619-foot long, 116-foot wide Glomar Explorer into a drillship with the addition of a rig floor substructure, derrick, riser tensioning/handling system, motion compensator, drillpipe racker, two pedestal cranes, four thrusters, additional BOP (blowout prevention) system, drilling mud system and a vessel management system incorporating the latest technology in dynamic positioning.
Tenders are invited for Supply of Motion compensator & bop fluid
The company also purchased an additional Motion Compensator console and signed a five year extended service warranty to keep the system in top operating condition over extended use.