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Tubing friction reducer

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

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Tubing guide

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

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Tubing guide and coiled tubing injector

Wells – Above ground apparatus – Moving tubing or cable into an existing well
Reexamination Certificate

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Tubing guide with optimized profile and offset

Wells – Above ground apparatus – Moving tubing or cable into an existing well
Patent

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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 method of compensating pressure...

Wells – Above ground apparatus – Inner member anchor or seal with lateral port
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 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 saddle valve

Wells – Above ground apparatus – Suspension means
Reexamination Certificate

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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 system

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

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Tubing hanger with ball valve in production string

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

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Tubing hanger with ball valve in the annulus bore

Wells – Above ground apparatus – Suspension means
Reexamination Certificate

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Tubing hanger with fail-safe control passageway

Wells – Above ground apparatus – With valve on cap or head
Patent

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Tubing hanger with hydraulically energized metal annular seal wi

Wells – Above ground apparatus – Suspension means
Patent

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Tubing head adapter and valve

Wells – Above ground apparatus – With valve on cap or head
Patent

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Tubing injector apparatus with tubing guide strips

Wells – Above ground apparatus – Moving tubing or cable into an existing well
Patent

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Tubing injector for variable diameter tubing

Wells – Above ground apparatus – Moving tubing or cable into an existing well
Reexamination Certificate

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