LandOfFree - US Patents - Listing for Wells

Wells – With electrical means – Magnetic

Activating means for a down-hole tool

Wells – Valves – closures or changeable restrictors – Operated by dropped element

Activating mechanism for controlling the operation of a...

Wells – Processes – Electric current or electrical wave energy through earth for...

Activation mechanism applicable for oilfield chemicals products

Wells – Valves – closures or changeable restrictors – Destructible element

Activation mechanism for differential fill floating equipment

Wells – Processes – Operating valve – closure – or changeable restrictor in a well

Activation of downhole tools

Wells – With heating – refrigerating or heat insulating means – Electrical heater in well

Active cable for wellbore heating and distributed...

Wells – Processes – Heating – cooling or insulating

Active heating of thermally insulated flowlines

Wells – Processes – Placing fluid into the formation

Active seismic monitoring of fracturing operations

Wells – Above ground apparatus – With seal for reciprocating member

Active/passive seal rotating control head

Wells – Processes – Operating valve – closure – or changeable restrictor in a well

Actuatable subsurface safety valve and method

Wells – Valves – closures or changeable restrictors – Destructible element

Actuating ball

Wells – With electrical means – Valve

Actuating device

Wells – Expansible anchor or casing – Spring set

Actuation indicator for downhole tools

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

Actuation of a gun firing head

Wells – Processes – Sampling well fluid

Actuation of downhole devices

Wells – Packers or plugs – Controllable passage through packer

Actuator

Wells – Means for guiding insertable element laterally of well axis

Actuator

Wells – Processes – Placing or shifting well part

Actuator apparatus and method for downhole completion tools

Wells – With electrical means – Electrical motor

Actuator for well-head valve or other similar applications...