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

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

Shock actuated switch for perforating gun assembly

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

Spiral strip perforating system

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

Subsea master valve apparatus

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

System for controlling and stopping oil drilling fires

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

System for cutting materials in wellbores

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

System for handling reeled tubing

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

System for injecting a substance into an annular space

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

Tapered cutting tool for reaming tubular members in well bore

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

Thread fatigue relief for tool joint

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

Time delay perforating apparatus

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

Tool for enhancing the extraction of landfill gas

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

Tool for washing over, cutting and retrieving a portion of a pip

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

Torque control device for downhole milling

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

Tubing conveyed perforating assembly safety device

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

Tubing conveyed perforating safety anchor

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

Tubular casing cutter

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

Tubular cutting tool

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

Tubular patch

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

Two trip window cutting system