LandOfFree - US Patents - Listing for Wells,Processes,Freeing stuck object, grappling or fishing in well

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Devices, systems and methods for equalizing pressure in a...

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

Reexamination Certificate

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Double-acting jar compounder

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

Reexamination Certificate

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Down hole excitation system for loosening drill pipe stuck in a

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

Patent

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Down hole jar tool

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

Reexamination Certificate

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Down hole motor assembly and associated method for providing...

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

Reexamination Certificate

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Downhole axial force generating tool

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

Reexamination Certificate

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Downhole coiled tubing recovery apparatus

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

Reexamination Certificate

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Downhole drilling spotting fluid composition and method

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

Patent

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Downhole force generator and method for use of same

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

Reexamination Certificate

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Downhole impact generator and method for use of same

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

Reexamination Certificate

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Downhole impact generator and method for use of same

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

Reexamination Certificate

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Downhole jarring tool adjuster

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

Reexamination Certificate

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Downhole resettable jar tool with axial passageway and...

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

Reexamination Certificate

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Downhole tool

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

Reexamination Certificate

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Downward energized motion jars

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

Reexamination Certificate

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Drilling jar for use in a downhole network

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

Reexamination Certificate

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Drilling tool

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

Patent

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Dual sensor freepoint tool

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

Reexamination Certificate

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