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Tubing hanger and tree with horizontal flow and annulus ports

Wells – Submerged well – Wellhead
Reexamination Certificate

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Tubing hanger and tree with horizontal flow and annulus ports

Wells – Submerged well – Wellhead
Patent

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Tubing hanger and wellhead housing with mating tubing...

Wells – Submerged well – Wellhead
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Tubing hanger vent

Wells – Submerged well – Wellhead
Patent

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Tubing hanger with flapper valve

Wells – Submerged well – Wellhead
Reexamination Certificate

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Undersea well product transport

Wells – Submerged well – Wellhead
Reexamination Certificate

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Universal connection interface for subsea completion systems

Wells – Submerged well – Wellhead
Reexamination Certificate

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Well drilling and completion apparatus

Wells – Submerged well – Wellhead
Patent

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Well head system

Wells – Submerged well – Wellhead
Reexamination Certificate

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Wellhead assembly for communicating with the casing hanger...

Wells – Submerged well – Wellhead
Reexamination Certificate

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Wellhead assembly for injecting a fluid into a well and...

Wells – Submerged well – Wellhead
Reexamination Certificate

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Wellhead completion system having a horizontal control...

Wells – Submerged well – Wellhead
Reexamination Certificate

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Wellhead production pumping tree

Wells – Submerged well – Wellhead
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Wellhead stabilizing member with deflecting ribs

Wells – Submerged well – Wellhead
Patent

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Wellhead system comprising a sliding sleeve seal

Wells – Submerged well – Wellhead
Reexamination Certificate

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Y-body Christmas tree for use with coil tubing

Wells – Submerged well – Wellhead
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