... on system performance. A non-rotating, externally functioned seal sleeve element eliminates multiple high wear components. Elimination of bearing assemblies and rotary seals removes common failure modes seen in deepwater. Redundant, actively controlled seal elements ensure wellbore seal quality...

... testing can be expanded to develop the condition monitoring system. Methods, Procedures, Process In contrast to a passive rotating control device, an active MPD wellbore sealing system requires hydraulic pressure to engage a sealing element and form a wellbore seal. The paper will investigate...

... is a sufficiently degradable rubber with good sealing properties for the seal elements of the plugs. This paper presents the fundamental properties of degradable rubbers developed in a comprehensive materials study. The degradation behaviors of the degradable rubbers were investigated under various temperature...