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Device for connecting casings

Wells – Above ground apparatus – With means facilitating connecting or disconnecting...
Patent

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Device for handling rods for oil-well drilling

Wells – Above ground apparatus – With means facilitating connecting or disconnecting...
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Drill pipe connecting and disconnecting apparatus

Wells – Above ground apparatus – With means facilitating connecting or disconnecting...
Reexamination Certificate

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Drill pipe handling apparatus

Wells – Above ground apparatus – With means facilitating connecting or disconnecting...
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Drill stem guide and wrench apparatus

Wells – Above ground apparatus – With means facilitating connecting or disconnecting...
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Drill string make-up and break-out mechanism

Wells – Above ground apparatus – With means facilitating connecting or disconnecting...
Patent

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Drilling rig elevator safety system

Wells – Above ground apparatus – With means facilitating connecting or disconnecting...
Reexamination Certificate

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Drilling rig, pipe and support apparatus

Wells – Above ground apparatus – With means facilitating connecting or disconnecting...
Reexamination Certificate

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