A seal assembly for use in a pressure containment device for containing fluid pressure in an annular space around a drill string whilst allowing the drill string to rotate in the pressure containment device, the seal assembly comprising a seal with a tubular body in which is embedded a wear sensor which emits an alert signal when the inner surface of the seal has been worn away by a preset amount.
申请公布号
WO2015110478(A2)
申请公布日期
2015.07.30
申请号
WO2015EP51154
申请日期
2015.01.21
申请人
MANAGED PRESSURE OPERATIONS PTE. LTD.;LEUCHTENBERG, CHRISTIAN
发明人
LEUCHTENBERG, CHRISTIAN;JOHNSON, AUSTIN;SAVAGE, PATRICK, DAVID