LandOfFree - US Patents - Listing for Wells

Wells – Processes – Specific propping feature

Degradable particulates as friction reducers for the flow of...

Wells – Processes – Using microorganisms

Degradation of a viscous microbial polysaccharide formulation

Wells – Processes – Chemical inter-reaction of two or more introduced materials

Delayed acid for gel breaking

Wells – Receptacles – Valve control means contacting well conduit wall

Delayed acting gravel pack fluid loss valve

Wells – Processes – Placing fluid into the formation

Delayed borate crosslinked fracturing fluid having increased tem

Wells – Processes – Distinct – separate injection and producing wells

Delayed in situ crosslinking of acrylamide polymers for oil reco

Wells – Valves – closures or changeable restrictors – Destructible element

Delayed opening ball seat

Delayed opening fluid sampler

Wells – Receptacles

Wells – Processes – Distinct – separate injection and producing wells

Delayed polyacrylamide gelation process for oil recovery applica

Wells – Processes – Cementing – plugging or consolidating

Delayed rigid foam systems and applications in particular for pl

Wells – Processes – Cementing – plugging or consolidating

Delayed rigid foam systems and applications in particular for se

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

Delayed tackifying compositions and associated methods...

Wells – Processes – Cementing – plugging or consolidating

Delayed thixotropic cement compositions and methods

Wells – Processes – Cementing – plugging or consolidating

Delayed-gelation solution

Wells – Processes – Cementing – plugging or consolidating

Delaying the gelation of water soluble polymers

Wells – Processes – Separating material entering well

Demulsification of bitumen emulsions

Wells – Processes – Separating material entering well

Demulsification of bitumen emulsions using salts of poly(tertiar

Wells – Processes – Placing or shifting well part

Deployable zonal isolation system

Wells – Processes – Assembling well part

Deploying a cable through a guide conduit in a well