LandOfFree - US Patents - Listing for Wells,Processes

Wells – Processes – Cementing – plugging or consolidating

Selective placement of a permeability-reducing material in a sub

Wells – Processes – Distinct – separate injection and producing wells

Selective placement of a permeability-reducing material to inhib

Wells – Processes – Distinct – separate injection and producing wells

Selective plugging of formations with foam

Wells – Processes – Cementing – plugging or consolidating

Selective plugging of highly permeable subterranean strata by in

Wells – Processes – Parallel string or multiple completion well

Selective re-entry tool for multiple tubing completions and...

Wells – Processes – Heating – cooling or insulating

Selective steam foam soak oil recovery process

Wells – Processes – Cementing – plugging or consolidating

Selective water exclusion

Wells – Processes – Separate steps of fracturing or attacking formation

Selective wellbore isolation using buoyant ball sealers

Wells – Processes – Cementing – plugging or consolidating

Selective zonal isolation of oil wells

Wells – Processes – Repairing object in well

Selective zonal isolation within a slotted liner

Wells – Processes – Distinct – separate injection and producing wells

Selectively controlling fluid flow through the higher permeabili

Wells – Processes – Distinct – separate injection and producing wells

Selectively controlling the flow of fluids through subterranean

Wells – Processes – Placing or shifting well part

Selectively operable ball valve and production packer system

Wells – Processes – Cleaning or unloading well

Selectively operational cleaning tool

Wells – Processes – Cementing – plugging or consolidating

Selectively plugging subterranean formations with a hydrocarbon

Wells – Processes – Cementing – plugging or consolidating

Selectively plugging the more permeable strata of a subterranean

Wells – Processes – Placing or shifting well part

Selectively releasable and reengagable expansion joint for subte

Wells – Processes – Placing or shifting well part

Selectively retrievable wear bushing for subsea or surface...

Wells – Processes – Separate steps of fracturing or attacking formation

Self diverting matrix acid