US 12,264,558 B2
Rotary multi tool
Tor Sigurd Slettebo, Houston, TX (US); Gregory Emberley, Houston, TX (US); Michael Czarnota, Houston, TX (US); and Anders Holgersen, Sandnes (NO)
Assigned to TRANSOCEAN SEDCO FOREX VENTURES LIMITED, Hamilton (BM)
Filed by TRANSOCEAN SEDCO FOREX VENTURES LIMITED, Grand Cayman (KY)
Filed on Sep. 18, 2023, as Appl. No. 18/369,653.
Application 18/369,653 is a continuation of application No. PCT/EP2022/057248, filed on Mar. 18, 2022.
Claims priority of provisional application 63/163,189, filed on Mar. 19, 2021.
Prior Publication US 2024/0271506 A1, Aug. 15, 2024
Int. Cl. E21B 41/00 (2006.01)
CPC E21B 41/0021 (2013.01) 23 Claims
OG exemplary drawing
 
1. A device for covering an opening of a wellbore, the device comprising:
a housing having a central opening, the housing configured to be secured within a well center opening;
a plurality of covers arranged around the central opening, the plurality of covers configured to: (a) move to an open-cover position, a partially-closed-cover position, or a closed-cover position; and (b) cover at least a portion of the central opening when the plurality of covers is in the partially-closed-cover position or the closed-cover position;
at least one actuator configured to extend and retract the plurality of covers; and
a controller configured to send signals to the at least one actuator to extend the plurality of covers and to retract the plurality of covers;
wherein the controller is further configured to use motion data and diameter data of a tubular to determine the partially-closed-cover position for a cover opening time, the partially-closed-cover position being based on the motion data and diameter data of the tubular, and the controller sends signals to extend and retract the plurality of covers to the partially-closed-cover position for the cover opening time.