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Apparatus and method of stabilizing a flow along a wellbore

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

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Apparatus and method of well preparation for chemical treatment

Wells – Processes – Entraining or incorporating treating material in flowing...
Patent

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Apparatus and method providing alternate fluid flowpath for...

Wells – Processes – Graveling or filter forming
Reexamination Certificate

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Apparatus and method to cause fatigue failure of subterranean fo

Wells – Processes – Vibrating the earth or material in or being placed in the...
Patent

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Apparatus and method to complete a multilateral junction

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

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Apparatus and method to connect two parts without rotation

Wells – Processes – Assembling well part
Reexamination Certificate

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Apparatus and method to detect a signal associated with a...

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

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Apparatus and method to detect actuation of a flow control...

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Apparatus and method to detect actuation of a flow control...

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Apparatus and method to expand casing

Wells – Processes – Assembling well part
Reexamination Certificate

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Apparatus and method to mechanically orient perforating...

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

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Apparatus and method to shut down a pipeline

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

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Apparatus and methods for achieving lock-out of a downhole tool

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

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Apparatus and methods for acoustic signaling in subterranean...

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

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Apparatus and methods for allowing fluid flow inside at...

Wells – Processes – Graveling or filter forming
Reexamination Certificate

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Apparatus and methods for anchoring and orienting equipment...

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

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Apparatus and methods for applying time lapse VSP to monitor...

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

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Apparatus and methods for cleaning well perforations

Wells – Processes – Cleaning or unloading well
Patent

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Apparatus and methods for completing a subterranean well

Wells – Processes – Graveling or filter forming
Patent

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Apparatus and methods for completing a wellbore

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

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