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Apparatus and method for use in detonating a pipe-conveyed perfo

Wells – Processes – With explosion or breaking container to implode
Patent

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Apparatus and method for use in injecting fluids in a well

Wells – Processes – Placing fluid into the formation
Patent

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Apparatus and method for utilizing flexible tubing with...

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

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Apparatus and method for verification of monophasic samples

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

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Apparatus and method for vibrating a casing string during cement

Wells – Processes – Cementing – plugging or consolidating
Patent

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Apparatus and method for washing tubular conduits during...

Wells – Processes – Cleaning or unloading well
Reexamination Certificate

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Apparatus and method for well fluid sampling

Wells – Processes – Sampling well fluid
Reexamination Certificate

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Apparatus and method for well repair operations

Wells – Processes – With indicating – testing – measuring or locating
Patent

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Apparatus and method for wellbore isolation

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

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Apparatus and method for wellbore isolation

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

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Apparatus and method for wellbore isolation

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

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Apparatus and method for wireline imaging in nonconductive muds

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

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Apparatus and method of anchoring and releasing from a packer

Wells – Processes – Placing or shifting well part
Patent

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Apparatus and method of anchoring and releasing from a packer

Wells – Processes – Placing or shifting well part
Patent

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Apparatus and method of applying force to a stuck object in...

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

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Apparatus and method of detecting interfaces between well...

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

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Apparatus and method of detecting interfaces between well...

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

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Apparatus and method of injecting treatment fluids into a...

Wells – Processes – Placing fluid into the formation
Reexamination Certificate

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Apparatus and method of magnetic well stimulation

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

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Apparatus and method of perforating wellbores

Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Patent

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