An energy harvesting rotating control device includes an inner member and a locking member. The inner member is configured to rotate about a longitudinal axis. The locking member is configured to move toward the longitudinal axis of the inner member and engage a shoulder of the inner member. An actuator is configured to move the locking member when actuated by an electrical power source. The locking member engaging the shoulder of the inner member limits the movement of the inner member.
申请公布号
WO2015200385(A1)
申请公布日期
2015.12.30
申请号
WO2015US37278
申请日期
2015.06.23
申请人
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;SMITH INTERNATIONAL, INC.;PRAD RESEARCH AND DEVELOPMENT LIMITED
