LandOfFree - US Patents - Listing for Wells

Wells – Conduit wall or specific conduit end structure – Downhole coupling or connector

Hydraulically actuated downhole coupler system, especially...

Wells – Packers or plugs – With controllable passage between central chamber and space...

Hydraulically actuated downhole valve apparatus

Wells – Expansible anchor or casing – Liner hanger

Hydraulically actuated liner hanger

Wells – Expansible anchor or casing – Liner hanger

Hydraulically actuated liner hanger

Wells – Processes – Placing or shifting well part

Hydraulically actuated liner hanger arrangement and method

Wells – Processes – Placing or shifting well part

Hydraulically actuated lock pin for well pipe hanger

Wells – Expansible anchor or casing – Fluid pressure actuated

Hydraulically actuated lock system

Wells – Valves – closures or changeable restrictors – Fluid operated

Hydraulically actuated valve

Wells – Valves – closures or changeable restrictors – Fluid operated

Hydraulically actuated well shifting tool

Wells – Packers or plugs – Expanded by confined fluid from central chamber – pump or...

Hydraulically actuated wire line apparatus

Wells – Processes – With indicating – testing – measuring or locating

Hydraulically actuated wire line apparatus

Wells – Processes – Assembling well part

Hydraulically assisted tubing expansion

Wells – Processes – Assembling well part

Hydraulically assisted tubing expansion

Wells – Valves – closures or changeable restrictors – Destructible element

Hydraulically controlled safety valves for incorporation in prod

Wells – With jar means for releasing stuck part

Hydraulically driven fishing jars

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

Hydraulically driven fishing jars

Wells – Guide for device or conduit

Hydraulically locking stabilizer

Wells – Submerged well – Means removably connected to permanent well structure

Hydraulically metered travel joint

Wells – Submerged well – Means removably connected to permanent well structure

Hydraulically metered travel joint method