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  5. Means for perforating, weakening, bending or separating pipe...
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Oil tool coupling device

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

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Oil well packer retriever

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

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One trip milling system

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

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One-trip, thru-tubing, window-milling system

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

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Overshot cutter with flexible release cage

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

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