LandOfFree - US Patents - Listing for Wells,Packers or plugs,Expanded by confined fluid from central chamber, pump or...

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Packer cable sealing system

Wells – Packers or plugs – Expanded by confined fluid from central chamber – pump or...

Reexamination Certificate

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Packer valve arrangement

Wells – Packers or plugs – Expanded by confined fluid from central chamber – pump or...

Patent

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Packing-seal for boreholes

Wells – Packers or plugs – Expanded by confined fluid from central chamber – pump or...

Patent

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Pass-through zone isolation packer and process for isolating zon

Wells – Packers or plugs – Expanded by confined fluid from central chamber – pump or...

Patent

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Pipe plugging system

Wells – Packers or plugs – Expanded by confined fluid from central chamber – pump or...

Patent

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Plugging system for boreholes

Wells – Packers or plugs – Expanded by confined fluid from central chamber – pump or...

Patent

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Pre-formed stress rings for inflatable packers

Wells – Packers or plugs – Expanded by confined fluid from central chamber – pump or...

Patent

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Preform or matrix tubular structure for casing a well

Wells – Packers or plugs – Expanded by confined fluid from central chamber – pump or...

Patent

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Pressure-compensation system

Wells – Packers or plugs – Expanded by confined fluid from central chamber – pump or...

Patent

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Programmed shape inflatable packer device

Wells – Packers or plugs – Expanded by confined fluid from central chamber – pump or...

Patent

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Progressive cavity pump for downhole inflatable packer

Wells – Packers or plugs – Expanded by confined fluid from central chamber – pump or...

Patent

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Progressively inflated packers

Wells – Packers or plugs – Expanded by confined fluid from central chamber – pump or...

Patent

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