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Structural support

Wells – Processes – Assembling well part
Reexamination Certificate

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Sub-sea membrane separation system with temperature control

Wells – Processes – Separating material entering well
Reexamination Certificate

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Sub-surface coalbed methane well enhancement through rapid...

Wells – Processes – In situ combustion
Reexamination Certificate

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Submersible pump

Wells – Processes – Producing the well
Patent

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Submersible pump puller and method of use

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Submersible pumping system

Wells – Processes – Producing the well
Reexamination Certificate

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Submersible pumping system with sealing device

Wells – Processes – Producing the well
Reexamination Certificate

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Submersible pumps

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Submersible well pump and well completion system

Wells – Processes – Placing or shifting well part
Patent

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Subsea casing hanger suspension system

Wells – Processes – Placing or shifting well part
Patent

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Subsea chemical injection unit for additive injection and...

Wells – Processes – Dissolving or preventing formation of solid oil deposit
Reexamination Certificate

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Subsea flow enhancer

Wells – Processes – Separating material entering well
Patent

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Subsea inflatable packer system

Wells – Processes – Cementing – plugging or consolidating
Patent

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Subsea intervention system

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Substances to stimulate the extraction of crudeoil and a...

Wells – Processes – Entraining or incorporating treating material in flowing...
Reexamination Certificate

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Substances to stimulate the extraction of crudeoil and a...

Wells – Processes – Entraining or incorporating treating material in flowing...
Reexamination Certificate

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Substantially self-powered method and apparatus for recovering h

Wells – Processes – Separating material entering well
Patent

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Substoichiometric combustion of low heating value gases

Wells – Processes – In situ combustion
Patent

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Substoichiometric combustion of low heating value gases using di

Wells – Processes – In situ combustion
Patent

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Subsurface annular safety barrier

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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