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Pack-off system

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Reexamination Certificate

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Pack-off well apparatus and method

Wells – Processes – Placing or shifting well part
Patent

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Packer

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Packer

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Packer

Wells – Processes – Destroying or dissolving well part
Reexamination Certificate

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Packer

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Packer arrangement

Wells – Processes – Placing or shifting well part
Patent

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Packer assembly and means for activating same only in smaller di

Wells – Processes – Placing or shifting well part
Patent

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Packer assembly for use in a submergible pumping system

Wells – Processes – Placing or shifting well part
Patent

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Packer cooling system for a downhole steam generator assembly

Wells – Processes – Distinct – separate injection and producing wells
Patent

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Packer cup systems for use inside a wellbore

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Packer element with recesses for downwell packing system and...

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Packer fluid

Wells – Processes – Placing fluid into the formation
Reexamination Certificate

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Packer for oil or gas well with lateral passage therethrough and

Wells – Processes – Placing fluid into the formation
Patent

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Packer for use in, and method of, cementing a tubing string in a

Wells – Processes – Cementing – plugging or consolidating
Patent

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Packer inflation system

Wells – Processes – Placing or shifting well part
Patent

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Packer insert for sealing on multiple items in the wellbore

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Packer locking apparatus including a time delay apparatus for lo

Wells – Processes – Placing or shifting well part
Patent

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Packer mill

Wells – Processes – Destroying or dissolving well part
Patent

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Packer releasing tool and method for releasing a packer...

Wells – Processes – Freeing stuck object – grappling or fishing in well
Reexamination Certificate

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