LandOfFree - US Patents - Listing for Wells,Means for perforating, weakening, bending or separating pipe...

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Blade seal for a shearing blind ram in a ram type blowout preven

Wells – Means for perforating – weakening – bending or separating pipe... – With disparate below ground feature

Patent

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Blowout preventer

Wells – Means for perforating – weakening – bending or separating pipe... – With disparate below ground feature

Patent

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Blowout preventer shearing and sealing rams

Wells – Means for perforating – weakening – bending or separating pipe... – With disparate below ground feature

Patent

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Blowout preventer with tubing shear rams

Wells – Means for perforating – weakening – bending or separating pipe... – With disparate below ground feature

Patent

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Blowout preventer, shear ram, shear blade and seal therefor

Wells – Means for perforating – weakening – bending or separating pipe... – With disparate below ground feature

Patent

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Blowout preventers having shear rams

Wells – Means for perforating – weakening – bending or separating pipe... – With disparate below ground feature

Patent

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Borehole conduit cutting apparatus

Wells – Means for perforating – weakening – bending or separating pipe...

Reexamination Certificate

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Boring apparatus

Wells – Means for perforating – weakening – bending or separating pipe... – Cutter rotates circumferentially of pipe

Patent

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Boring device for lining material in branched portions of lined

Wells – Means for perforating – weakening – bending or separating pipe... – Cutter rotates circumferentially of pipe

Patent

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Casing conveyed well perforating apparatus and method

Wells – Means for perforating – weakening – bending or separating pipe...

Reexamination Certificate

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Casing cutter

Wells – Means for perforating – weakening – bending or separating pipe... – Perforating or splitting cutter

Patent

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Casing cutter blade support sleeve

Wells – Means for perforating – weakening – bending or separating pipe... – Cutter rotates circumferentially of pipe

Patent

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Casing cutting and retrieving tool

Wells – Means for perforating – weakening – bending or separating pipe... – Cutter rotates circumferentially of pipe

Patent

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Casing perforator

Wells – Means for perforating – weakening – bending or separating pipe... – Perforating or splitting cutter

Patent

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Casing perforator

Wells – Means for perforating – weakening – bending or separating pipe... – Perforating or splitting cutter

Patent

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Charge phasing arrangements in a perforating gun

Wells – Means for perforating – weakening – bending or separating pipe... – With disparate below ground feature

Patent

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Chemical cutter

Wells – Means for perforating – weakening – bending or separating pipe... – With disparate below ground feature

Patent

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Chemical cutting apparatus

Wells – Means for perforating – weakening – bending or separating pipe... – With disparate below ground feature

Patent

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Chemical cutting apparatus for use in wells

Wells – Means for perforating – weakening – bending or separating pipe... – With disparate below ground feature

Patent

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Chemical cutting method and apparatus

Wells – Means for perforating – weakening – bending or separating pipe... – With disparate below ground feature

Patent

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