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Linear electric motor for downhole use

Wells – With electrical means – Electrical motor
Patent

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Motor drive actuator for downhole flow control devices

Wells – With electrical means – Electrical motor
Patent

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Plug or lock for use in oil field tubular members and an operati

Wells – With electrical means – Electrical motor
Patent

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Sealed ESP motor system

Wells – With electrical means – Electrical motor
Reexamination Certificate

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Self-propelled apparatus

Wells – With electrical means – Electrical motor
Patent

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Solenoid actuated well safety valve

Wells – With electrical means – Electrical motor
Patent

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Solenoid actuator and pulse drive

Wells – With electrical means – Electrical motor
Patent

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Solenoid operated blanking block valve

Wells – With electrical means – Electrical motor
Patent

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Submersible pump adapter

Wells – With electrical means – Electrical motor
Patent

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Submersible pump line protector

Wells – With electrical means – Electrical motor
Patent

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Subsurface device actuator requiring minimum power

Wells – With electrical means – Electrical motor
Patent

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Subsurface tubing safety valve

Wells – With electrical means – Electrical motor
Patent

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Swivel and eccentric weight to orient a roller sub

Wells – With electrical means – Electrical motor
Reexamination Certificate

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Thrust section wear preventor

Wells – With electrical means – Electrical motor
Reexamination Certificate

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Thrust section wear preventor

Wells – With electrical means – Electrical motor
Reexamination Certificate

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Well installation in which electrical current is supplied for a

Wells – With electrical means – Electrical motor
Patent

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Wellbore motor having magnetic gear drive

Wells – With electrical means – Electrical motor
Reexamination Certificate

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