LandOfFree - US Patents - Listing for Wells

Wells – Valves – closures or changeable restrictors – Fluid operated

Deep-set annulus vent valve

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

Deep-set subsurface safety valve assembly

Wells – Processes – Placing or shifting well part

Deep-well, continuous-coiled-tubing apparatus and method of use

Wells – Valves – closures or changeable restrictors – Fluid operated

Deepwater drill string shut-off

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

Deepwater intervention system

Wells – Submerged well – Riser

Deepwater riser system

Deflate-equalizing valve apparatus for inflatable packer formati

Wells – Combined

Wells – Means for guiding insertable element laterally of well axis – Secured in operative position by movable means engaging well...

Deflector tool for deflecting items through a window in...

Wells – Processes – Material placed in pores of formation to treat resident...

Defoaming methods and compositions

Wells – Conduit wall or specific conduit end structure

Deformable ball seat and method

Wells – Processes – Graveling or filter forming

Deformable gravel pack and method of forming

Wells – Processes – Placing or shifting well part

Deformable member

Wells – Above ground apparatus – Releasable seal or cleaner disengaged by projection on inner...

Deformable member

Deformable member

Wells – Packers or plugs

Deformable member

Wells – Packers or plugs

Wells – Processes – Providing porous mass of adhered filter material in well

Deformable well screen

Wells – Processes – Placing or shifting well part

Deformable well screen

Wells – Processes – Parallel string or multiple completion well

Deformed multiple well template and process of use

Wells – Processes – Graveling or filter forming

Degradable additive for viscoelastic surfactant based fluid...