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Apparatus and method for cleaning a tubular member with a brush

Wells – Processes – Cleaning or unloading well
Reexamination Certificate

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Apparatus and method for cleaning debris from wells

Wells – Processes – Cleaning or unloading well
Reexamination Certificate

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Apparatus and method for cleaning out an underground well

Wells – Processes – Cleaning or unloading well
Patent

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Apparatus and method for cleaning well risers

Wells – Processes – Cleaning or unloading well
Reexamination Certificate

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Apparatus and method for communicating electrical signals in a w

Wells – Processes – Placing or shifting well part
Patent

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Apparatus and method for communicating with devices...

Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate

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Apparatus and method for completing a junction of plural...

Wells – Processes – Parallel string or multiple completion well
Reexamination Certificate

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Apparatus and method for completing a well

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Apparatus and method for completing a wellbore

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Apparatus and method for completing and recompleting wells for p

Wells – Processes – Placing fluid into the formation
Patent

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Apparatus and method for completing/recompleting production well

Wells – Processes – Assembling well part
Patent

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Apparatus and method for connecting casing to lateral casing...

Wells – Processes – Repairing object in well
Reexamination Certificate

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Apparatus and method for connecting tubulars using a top drive

Wells – Processes – Assembling well part
Reexamination Certificate

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Apparatus and method for containing fluids around a wellhead

Wells – Processes – Assembling well part
Patent

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Apparatus and method for controlled temperature heating of volum

Wells – Processes – Electric current or electrical wave energy through earth for...
Patent

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Apparatus and method for controlling a well plunger system

Wells – Processes – Producing the well
Patent

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Apparatus and method for controlling fluid flow

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Apparatus and method for controlling fluid flow in a wellbore

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

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Apparatus and method for controlling fluid flow with sand...

Wells – Processes – Graveling or filter forming
Reexamination Certificate

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Apparatus and method for controlling injection fluid flow in a w

Wells – Processes – Placing or shifting well part
Patent

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