LandOfFree - US Patents - Listing for Wells,Processes

Plugging a mined-through well

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

Plugging a subterranean reservoir with a self-sealing filter cak

Wells – Processes – Cementing – plugging or consolidating

Plugging a tubing/casing annulus in a wellbore with a polymer ge

Wells – Processes – Cementing – plugging or consolidating

Plugging an abandoned well with a polymer gel

Wells – Processes – Cementing – plugging or consolidating

Plugging earth strata

Wells – Processes – Distinct – separate injection and producing wells

Plugging high permeability zones of reservoirs having heterogene

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

Plugging of abandoned dry wells

Wells – Processes – Cementing – plugging or consolidating

Plugging of underground strata to eliminate gas and water coning

Wells – Processes – Distinct – separate injection and producing wells

Plugging of water-producing zones in a subterranean formation

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

Plugging subterranean earth formations with aqueous epoxy emulsi

Wells – Processes – Cementing – plugging or consolidating

Plugging subterranean regions with acrylic-epoxy resin-forming e

Wells – Processes – Cementing – plugging or consolidating

Plugging wellbores

Plunger actuated pumping system

Wells – Processes – Operating valve – closure – or changeable restrictor in a well

Plunger arrival target time adjustment method using both A and B

Wells – Processes – Freeing stuck object – grappling or fishing in well

Plunger conveyed plunger retrieving tool and method of use

Plunger enhanced chamber lift for well installations

Plunger lift apparatus that includes one or more sensors

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

Plunger lift controller

Plunger lift for controlling oil and gas production