LandOfFree - US Patents - Listing for Wells,Packers or plugs

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Labyrinth lock seal for hydrostatically set packer

Wells – Packers or plugs – With expanding anchor

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Landing collar and float valve assembly

Wells – Packers or plugs – With expanding anchor

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Landing nipple and plug

Wells – Packers or plugs – With expanding anchor

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Large bore packer and methods of setting same

Wells – Packers or plugs – Central support has shoulders expanding sealing portion – or...

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Latch for use in a well

Wells – Packers or plugs – With expanding anchor

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Layer-separating device hydraulically anchorable in a well casin

Wells – Packers or plugs – With expanding anchor

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Lead in guide assembly

Wells – Packers or plugs – With expanding anchor

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Liner assembly and method

Wells – Packers or plugs – With expanding anchor

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Liner hanger and running and setting tool

Wells – Packers or plugs – With expanding anchor

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Liquid separation device

Wells – Packers or plugs – Flow stopping type; e.g. – plug

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Lock for downhole apparatus

Wells – Packers or plugs – With expanding anchor

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Locking mechanism for hydraulic running tool for well hangers an

Wells – Packers or plugs – With expanding anchor

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Logging plug with high integrity internal seal

Wells – Packers or plugs – Spaced sealing portions

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Long stroke packer

Wells – Packers or plugs – With expanding anchor

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Low pressure, high temperature composite bridge plug

Wells – Packers or plugs – With expanding anchor

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

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