LandOfFree - US Patents - Listing for Wells

Wells – Valves – closures or changeable restrictors – Fluid operated

Hydraulic valve actuating means for subsurface safety valve

Wells – Packers or plugs – With expanding anchor

Hydraulic versa-trieve packer

Wells – Submerged well – Connection or disconnection of submerged members remotely...

Hydraulic well cap

Wells – With below and above ground modification – Above ground actuating means for below ground device

Hydraulic well control system

Wells – Packers or plugs – With expanding anchor

Hydraulic well packer and method

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

Hydraulic well penetration apparatus

Wells – Processes – Perforating – weakening – bending or separating pipe at an...

Hydraulic well penetration apparatus and method

Wells – Processes – Perforating – weakening – bending or separating pipe at an...

Hydraulic well pumping method

Wells – With below and above ground modification – Head for tool – piston or cleaner

Hydraulic wiper plug launcher

Wells – Processes – Perforating – weakening – bending or separating pipe at an...

Hydraulic wireline cutter

Wells – Processes – Freeing stuck object – grappling or fishing in well

Hydraulic-mechanical jar tool

Hydraulic/mechanical setting tool and liner hanger

Hydraulic/torsion packoff installation tool

Wells – Processes – Perforating – weakening – bending or separating pipe at an...

Hydraulically activated firing head for well perforating guns

Wells – Means for forming filter beds

Hydraulically activated firing head for well perforating guns

Hydraulically activated liner setting device

Hydraulically activated selective circulating/reverse...

Hydraulically activated swivel for running expandable...

Wells – Valves – closures or changeable restrictors – Destructible element

Hydraulically actuated control fluid communication nipple