LandOfFree - US Patents - Listing for Wells

Wells – Processes – Cementing – plugging or consolidating

Arrangement and method for conducting substance and seal therefo

Wells – Processes – Placing or shifting well part

Arrangement and method for deploying downhole tools

Wells – Submerged well – Riser

Arrangement and method for regulating bottom hole pressures...

Wells – Processes – Producing the well

Arrangement for and method of restricting the inflow of...

Wells – Central chamber sealed with respect to prepositioned...

Arrangement for cleaning contaminated ground water

Wells – Brushing – scraping – cutting or punching-type cleaners – On tubing or casing

Arrangement for cleaning internal surface of casing strings

Wells – With below and above ground modification

Arrangement for driving out of volatile impurities from ground w

Wells – With below and above ground modification

Arrangement for driving volatile impurities from ground water

Wells – Processes – Producing foam or gas in well by foaming or gas producing...

Arrangement for full hole drilling

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

Arrangement for patching off troublesome zones in a well

Wells – Expansible anchor or casing – Spring set

Arrangement for positioning a member in a receiving section of a

Wells – Wells with lateral conduits

Arrangement for recovering viscous petroleum from thick tar sand

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

Arrangement for the removal of cuttings and gas arising from...

Wells – Packers or plugs – Flow stopping type; e.g. – plug

Arrangement of test plug

Wells – Processes – Specific pattern of plural wells

Arrangement of wells for producing subsurface viscous petroleum

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

Arrangement on a floating device for overhauling offshore...

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

Arrangement related to riser pipelines

Wells – Packers or plugs – Central support has shoulders expanding sealing portion – or...

Arrangement to prevent premature expansion of expandable seal me

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

Arrangement used in oil field wells for lifting hydrocarbons