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Selected: R

Rotatable washer self-cleaning helical spring screen and methods

Wells – Screens – Spiral
Patent

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Rotatable wet connect for downhole logging devices

Wells – With electrical means
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Rotating blast liner

Wells – Processes – Graveling or filter forming
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Rotating blowout preventer

Wells – Above ground apparatus – With seal for reciprocating member
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Rotating blowout preventer

Wells – Above ground apparatus – With assembly or disassembly means
Patent

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Rotating blowout preventer

Wells – Above ground apparatus – With seal for reciprocating member
Patent

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Rotating blowout preventer and method

Wells – Processes – Placing or shifting well part
Patent

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Rotating blowout preventer and method

Wells – Processes – Placing or shifting well part
Patent

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Rotating blowout preventer and method

Wells – Processes – Placing or shifting well part
Reissue Patent

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Rotating blowout preventer apparatus

Wells – Valves – closures or changeable restrictors
Patent

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Rotating blowout preventers

Wells – Above ground apparatus – With seal for reciprocating member
Patent

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Rotating blowout preventor for drilling rig

Wells – Above ground apparatus – With seal for reciprocating member
Patent

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Rotating blowout preventor with adaptor

Wells – Above ground apparatus – Central valve or closure and lateral port
Patent

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Rotating blowout preventor with improved seal assembly

Wells – Above ground apparatus – With seal for reciprocating member
Patent

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Rotating bop and method

Wells – Processes – Placing or shifting well part
Patent

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Rotating casing assembly and method

Wells – Processes – Cementing – plugging or consolidating
Reexamination Certificate

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Rotating control head leak detection systems

Wells – Above ground apparatus – With seal for reciprocating member
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Rotating control head radial seal protection and leak...

Wells – Above ground apparatus – With seal for reciprocating member
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Rotating drilling head system with static seals

Wells – Above ground apparatus – With seal for reciprocating member
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Rotating drilling stripper

Wells – Above ground apparatus – With seal for reciprocating member
Reexamination Certificate

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