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Automatic tubing release

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

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Automatic well test system and method

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

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Automatic well treatment method

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

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Automatic well treatment system

Wells – With time or distance measuring – temperature responsive or...
Patent

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Autonomous circulation, fill-up, and equalization valve

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Auxiliary well pressure packoff assembly

Wells – Above ground apparatus – Releasable seal or cleaner disengaged by projection on inner...
Patent

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Axial equalizing valve

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator
Reexamination Certificate

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Azimuth control of hydraulic vertical fractures in...

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

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Azimuth control of hydraulic vertical fractures in...

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

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Azimuth-oriented perforating system and method

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