HeaveLock downhole choke valve

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Value proposition

HeaveLock™ downhole choke valve, placed in the BHA, keeps bottom-hole pressure stable during drill pipe connections on floating rigs, counteracting surge & swab effects. The tool is robotic and highly autonomous. On-board sensor suit makes it possible to detect motion of the drill string and the choke valve compensates for surge & swab by dynamically controlling the flow of drilling mud (use of Continuous Circulation System is required).

With HeaveLock you stay within drilling pressure margins also on drill pipe connections, when topside heave compensation is disabled. This enables drilling of previously "un-drillable" wells and avoid costly well control issues such as ballooning, loss/gain and kicks, making drilling from floating rigs in harsh weather safer and more efficient.