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Apparatus for controlling inflation fluid to and from inflatable

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

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Apparatus for dewatering boreholes

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

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Apparatus for isolating zones in a well

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

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Apparatus for setting and retrieving a bridge plug from a subter

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

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Apparatus for testing selected zones of a subterranean bore

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

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Bore hole plug

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

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Bore hole plug

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

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Borehole closure

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

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Borehole packer

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

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Coiled tubing set inflatable packer, bridge plug and releasing t

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

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Core-containing sealing assembly

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

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Device for plugging horizontal or vertical wells in oil or simil

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

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Downhole tool inflatable packer assembly

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

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Downhole tool retention apparatus

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

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Downhole tool with increased friction surface and method of manu

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

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Drag spring unit

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

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Early evaluation formation testing system

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

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Eutectic material-based seal element for packers

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

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Expandable packer

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

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Expandable packer

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

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