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

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

Method and apparatus for programmable robotic rotary mill...

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

Method and apparatus for retaining shaped charges

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

Method and apparatus to remove a downhole drill collar from...

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

Method and means for emergency shearing and sealing of well casi

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

Methods and apparatus for perforating and treating production zo

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

Methods and apparatus for severing conduits

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

Methods and apparatuses for electronic time delay and...

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

Methods and devices for one trip plugging and perforating of...

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

Mill guide and anchor assembly for subterranean well casings

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

Milling tool

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

Milling tool and combined stabilizer

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

Milling tool and operations

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

Milling tool for cutting well casing

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

Milling tool for cutting well casing

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

Multi-shot tubing perforator

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

Multiple test cased hole formation tester with in-line perforati

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

Multiple test cased hole formation tester with in-line perforati