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

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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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Clean-out tool cutting blade

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

Patent

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Collapsible gun assembly

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

Patent

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Combination tubing cutter and releasing overshot

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

Patent

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Connector assembly for a milling tool

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

Patent

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Cutter blades for rotary tubing tools

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

Patent

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Cutters

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

Patent

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Cutting matrix and method of applying the same

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

Utility Patent

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Cutting tool for cutting well casing

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

Patent

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Cutting tool for cutting well casing

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

Patent

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