LandOfFree - US Patents - Listing for Wells,Packers or plugs,With controllable passage between central conduit and space...

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Bottom hole shut-in tool

Wells – Packers or plugs – With controllable passage between central conduit and space...

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Casing packer shoe

Wells – Packers or plugs – With controllable passage between central conduit and space...

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Crossover tool

Wells – Packers or plugs – With controllable passage between central conduit and space...

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Downhole shut-in tool

Wells – Packers or plugs – With controllable passage between central conduit and space...

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Downhole tool with sliding valve

Wells – Packers or plugs – With controllable passage between central conduit and space...

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Isolation assembly for coiled tubing

Wells – Packers or plugs – With controllable passage between central conduit and space...

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Multiple stage inflation packer with secondary opening rupture d

Wells – Packers or plugs – With controllable passage between central conduit and space...

Patent

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Stage cementer and inflation packer apparatus

Wells – Packers or plugs – With controllable passage between central conduit and space...

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

String bypass

Wells – Packers or plugs – With controllable passage between central conduit and space...

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Well bore treating fluid tool

Wells – Packers or plugs – With controllable passage between central conduit and space...

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Well tubing protective fluid injection system

Wells – Packers or plugs – With controllable passage between central conduit and space...

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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