LandOfFree - US Patents - Listing for Wells

Wells – Processes – Distinct – separate injection and producing wells

Buffered steam drive oil recovery process

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

Built-in grout line for a well casing

Wells – Packers or plugs – With expanding anchor

Bulge control compression packer

Wells – Valves – closures or changeable restrictors – Destructible element

Bulged single-hinged scored rupture having a non-circular...

Wells – Processes – Preventing flow into strainer while lowering by blocking...

Buoyancy assisted running of perforated tubulars

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

Buoyancy can for offshore oil and gas riser

Buoyant tubulars and method for installing same in a well bore

Wells – With below and above ground modification – Eduction pump or plunger in well

Buoyant water pump system

Wells – Processes – In situ combustion

Burn assisted fracturing of underground coal bed

Burst plug for a downhole fluid passage

Wells – Valves – closures or changeable restrictors – Fluid operated

By-pass valve

By-pass valve mechanism and method of use hereof

Wells – Valves – closures or changeable restrictors – Fluid operated

Bypass device for wellbores

Wells – With eduction pump or plunger – Having liquid-gas separator

Bypass seating nipple

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Bypass sub

Wells – Processes – Graveling or filter forming

Bypass tool

Wells – Valves – closures or changeable restrictors – Destructible element

Bypass valve

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator

Bypass valve

Bypass valve