LandOfFree - US Patents - Listing for Wells

Wells – With eduction pump or plunger – Having liquid-gas separator

Natural gas production apparatus with bottom-hole separator

Wells – Valves – closures or changeable restrictors

Natural gas production from geopressured aquifers

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

Natural gas production optimization switching valve system

Wells – Processes – Distinct – separate injection and producing wells

Natural gas recovery method

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

Near surface disconnect riser

Wells – Submerged well – Wellhead

Nested stack-down casing hanger system for subsea wellheads

Wells – Processes – Parallel string or multiple completion well

Nested velocity string tubing hanger

Wells – Processes – Distinct – separate injection and producing wells

Networked polymeric gels and use of such polymeric gels in...

Wells – Central chamber sealed with respect to prepositioned...

Nipple protector sleeve for use in a well conduit

Wells – Processes – Cementing – plugging or consolidating

Nitrogen stimulation of a potassium hydroxide wellbore treatment

Wells – Processes – Specific propping feature

Nitrogen/carbon dioxide combination fracture treatment

Wells – With eduction pump or plunger – Having sediment trap or deflector

No tap tool for downhole reciprocating pumps

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

No-go bomb hanger

Wells – Valves – closures or changeable restrictors – Operated by dropped element

No-shock pressure plug apparatus

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

No-turn tool

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

No-turn tool for a pumping system

Wells – Processes – Cementing – plugging or consolidating

Non-abrasive particulate material for permeability alteration in

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

Non-acid acidizing methods and compositions

Wells – Processes – Placing fluid into the formation

Non-acid acidizing methods and compositions