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Apparatus and method for facilitating the connection of...

Wells – Processes – Assembling well part
Reexamination Certificate

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Apparatus and method for formation evaluation

Wells – Processes – Sampling well fluid
Reexamination Certificate

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Apparatus and method for formation evaluation

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

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Apparatus and method for generating inert gas and heating inject

Wells – Processes – In situ combustion
Patent

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Apparatus and method for gravel packing

Wells – Processes – Graveling or filter forming
Reexamination Certificate

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Apparatus and method for gravel packing

Wells – Processes – Graveling or filter forming
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Apparatus and method for gravel packing

Wells – Processes – Graveling or filter forming
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Apparatus and method for gravel packing a well

Wells – Processes – Graveling or filter forming
Patent

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Apparatus and method for gravel packing an interval of a...

Wells – Processes – Graveling or filter forming
Reexamination Certificate

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Apparatus and method for gravel packing an interval of a...

Wells – Processes – Graveling or filter forming
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Apparatus and method for gravel packing an interval of a...

Wells – Processes – Graveling or filter forming
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Apparatus and method for gravel packing an interval of a...

Wells – Processes – Graveling or filter forming
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Apparatus and method for gravel packing an interval of a...

Wells – Processes – Graveling or filter forming
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Apparatus and method for handling a blowout preventer

Wells – Processes – Assembling well part
Reexamination Certificate

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Apparatus and method for handling a tubular

Wells – Processes – Assembling well part
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Apparatus and method for hanging coiled tubing in wells

Wells – Processes – Assembling well part
Patent

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Apparatus and method for heating subterranean formations...

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

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Apparatus and method for horizontal well fracture stimulation

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

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Apparatus and method for hydraulically actuating a downhole...

Wells – Processes – Placing or shifting well part
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Apparatus and method for igniting an in situ oil shale retort

Wells – Processes – Heating – cooling or insulating
Patent

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