4. Wells
  5. Above ground apparatus
  6. With means facilitating connecting or disconnecting...

John Timothy Allen

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Methods and apparatus for handling and drilling with...

Wells – Processes – Cementing – plugging or consolidating
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Tong

Wells – Above ground apparatus – With means facilitating connecting or disconnecting...
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Tong for wellbore operations

Tools – Wrench – screwdriver – or driver therefor – Machine
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Tong for wellbore operations

Boring or penetrating the earth – With above-ground means to feed tool
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Top drive casing system

Wells – Detents or clutches
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Profile ID: LFUS-PAI-P-2131322

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