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Pressure control system for a wet connect/disconnect...

Wells – Submerged well – Connection or disconnection of submerged members remotely...
Reexamination Certificate

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Pressure control with compliant guide

Wells – Submerged well – Wellhead
Reexamination Certificate

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Pressure driven pumping system

Wells – Submerged well – Means removably connected to permanent well structure
Reexamination Certificate

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Pressure protection for a control chamber of a well tool

Wells – Submerged well – Testing
Reexamination Certificate

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Pressure release valve for a subsea blowout preventer

Wells – Submerged well – With safety or emergency shutoff
Patent

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Pressure test method for permanent downhole wells and apparatus

Wells – Submerged well – Testing
Patent

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Process and equipment for oil well drilling and completing opera

Wells – Submerged well – Connection or disconnection of submerged members remotely...
Patent

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Production riser equipped with a suitable stiffener and with an

Wells – Submerged well – Submerged – buoyant wellhead or riser
Patent

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Production riser foot and a process for implementing same

Wells – Submerged well – Connection or disconnection of submerged members remotely...
Patent

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Production system for subsea oil wells

Wells – Submerged well – Multiple wells
Patent

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Production tree with multiple safety barriers

Wells – Submerged well – Wellhead
Reexamination Certificate

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Production well-heads for underwater oil wells

Wells – Submerged well – Wellhead
Patent

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Protective element for a riser segment

Wells – Submerged well – Riser
Reexamination Certificate

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