LandOfFree - US Patents - Listing for Wells

Wells – Above ground apparatus – Suspension means

Tubing saver rotator and method for using same

Wells – Processes – Assembling well part

Tubing seal

Wells – Valves – closures or changeable restrictors – Fluid operated

Tubing shut off valve

Wells – Means for guiding insertable element laterally of well axis

Tubing side pocket mandrel

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

Tubing sleeve

Wells – Above ground apparatus – With assembly or disassembly means

Tubing spreader mechanism

Wells – Expansible anchor or casing – Set by wedge or cam at any point by drop only

Tubing string anchoring tool

Wells – Expansible anchor or casing – Expansible means translated by wedge or cam

Tubing string anchoring tool

Wells – Packers or plugs – Spaced sealing portions

Tubing string extension

Wells – Above ground apparatus – With tube rotating means

Tubing string hanging apparatus

Wells – Above ground apparatus – With assembly or disassembly means

Tubing string rod running nipple

Wells – Above ground apparatus – With tube rotating means

Tubing string rotator

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

Tubing string rotator and method

Wells – Above ground apparatus – With assembly or disassembly means

Tubing suspension system

Wells – Conduit wall or specific conduit end structure – Downhole coupling or connector

Tubing system for an oil or gas well

Wells – Submerged well – Testing

Tubing test valve

Wells – Valves – closures or changeable restrictors – Fluid operated

Tubing tester

Wells – Valves – closures or changeable restrictors – Fluid operated

Tubing tester valve apparatus

Wells – Expansible anchor or casing – With wedge or cam and friction drag

Tubing tightener