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Tubing hanger

Wells – Above ground apparatus – With assembly or disassembly means
Patent

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Tubing hanger

Wells – Above ground apparatus – Inner member anchor or seal with valve
Patent

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Tubing hanger and adapter assembly

Wells – With electrical means
Reexamination Certificate

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Tubing hanger and method of compensating pressure...

Wells – Above ground apparatus – Inner member anchor or seal with lateral port
Reexamination Certificate

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Tubing hanger and running tool with preloaded lockdown

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

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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
Reexamination Certificate

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Tubing hanger assembly

Wells – Above ground apparatus – Well caps or casing heads
Patent

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Tubing hanger assembly and method of landing and locking

Wells – Valves – closures or changeable restrictors
Patent

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Tubing hanger having an integral valve gate

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator
Reexamination Certificate

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Tubing hanger incorporating a seal

Wells – Processes – Placing or shifting well part
Patent

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Tubing hanger landing and orienting tool

Wells – Means for guiding insertable element laterally of well axis
Patent

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Tubing hanger landing string with blowout preventer operated...

Wells – Above ground apparatus – With means facilitating connecting or disconnecting...
Reexamination Certificate

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Tubing hanger lockdown mechanism

Wells – Above ground apparatus – Suspension means
Reexamination Certificate

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Tubing hanger running tool

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Tubing hanger saddle valve

Wells – Above ground apparatus – Suspension means
Reexamination Certificate

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Tubing hanger seal assembly

Wells – Expansible anchor or casing – Liner hanger
Patent

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Tubing hanger seal for water wells

Wells – Above ground apparatus – Well caps or casing heads
Patent

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Tubing hanger shuttle valve

Wells – Expansible anchor or casing – Liner hanger
Reexamination Certificate

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