Mentor Subsea, an affiliate of J. Ray McDermott SA, has selected FMC Technologies Inc. to provide wellhead trees and associated services for Dominion Exploration & Production Inc.'s Devils Tower spar ...

At-a-Glance: Maintain containment and structural capacity by pre-storm barrier validation, controlled shut-in (SCSSV first), annulus management, securing hydraulics/power redundancy, real-time ...

How Do Subsea Trees Work? A subsea Christmas tree is the pressure-containing valve assembly mounted on a subsea wellhead that controls, monitors, and safeguards flow from (or injection into) a subsea ...