LandOfFree - US Patents - Listing for Wells

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

Hydraulically operated downhole oil well pump

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

Hydraulically operated fluid metering apparatus for use in a...

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

Hydraulically operated formation isolation valve for...

Hydraulically operated permanent type well packer assembly

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

Hydraulically operated protector for downhole devices

Hydraulically operated well packer

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

Hydraulically releasable coupling

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

Hydraulically releasable coupling device

Wells – Packers or plugs – With detachable setting means

Hydraulically released inflation tool for permanent bridge plug

Hydraulically set and released bridge plug

Wells – With electrical means

Hydraulically set concentric packer with multiple umbilical...

Wells – Processes – Cementing – plugging or consolidating

Hydraulically set liner hanger and running tool with backup mech

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

Hydraulically set packer useful with independently set straddle

Hydraulically set well packer

Hydraulically set well packer

Wells – Means for perforating – weakening – bending or separating pipe... – Cutter rotates circumferentially of pipe

Hydro-mechanical multi-string cutter

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

Hydro-recocking down jar mechanism

Wells – Submerged well – Means removably connected to permanent well structure

Hydrocarbon fluid separation at an offshore site and method

Wells – Processes – Placing fluid into the formation

Hydrocarbon gels useful in formation fracturing