LandOfFree - US Patents - Listing for Wells

Wells – Packers or plugs – Expanded by confined fluid from central chamber – pump or...

Early evaluation formation testing system

Wells – Processes – With indicating – testing – measuring or locating

Early evaluation system

Wells – Processes – Sampling well fluid

Early evaluation system with pump and method of servicing a well

Wells – Processes – Sampling well fluid

Early formation evaluation tool

Wells – Processes – Sampling well fluid

Earth formation sampling and testing method and apparatus with i

Wells – Processes – Cementing – plugging or consolidating

Earth loop installation with sonic drilling

Wells – Processes – Cementing – plugging or consolidating

Earth loop installed with sonic apparatus

Wells – Processes – Cementing – plugging or consolidating

Earth loop installed with sonic apparatus

Wells – Processes – Graveling or filter forming

Earth storage structural energy system and process for construct

Wells – Guide for device or conduit – Surrounding existing device or tubing

Eccentric fluid displacement sleeve

Wells – Valves – closures or changeable restrictors – Fluid operated

Eccentric subsurface safety valve

Wells – Processes – Perforating – weakening – bending or separating pipe at an...

Eccentrically actuated perforating guns

Wells – Processes – With indicating – testing – measuring or locating

Echo ranging gun

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

Economically dissolving barium sulfate scale with a chelating ag

Wells – Processes – Producing the well

Eductor/ejector apparatus and the process for increasing fluid r

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

Efficient method for subsurface treatments, including...

Wells – Processes – Cementing – plugging or consolidating

Elastomeric admixtures for improving cement elasticity

Wells – Submerged well – Submerged – buoyant wellhead or riser

Elastomeric passive tensioner for oil well risers

Wells – Expansible anchor or casing – Liner hanger

Elastomeric seal with reinforcing ring