LandOfFree - US Patents - Listing for Wells,Conduit wall or specific conduit end structure,Downhole coupling or connector

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

Anti-rotation device for cementing plugs with deformable periphe

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

Apparatus and system to allow tool passage ahead of a bit

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

Apparatus comprising expandable bistable tubulars and...

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

Apparatus for absorbing shock

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

Apparatus for centralizing pipe in a wellbore

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

Apparatus for interconnecting continuous tubing strings...

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

Apparatus for reducing abrasion and corrosion in mandrels

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

Apparatus for releasably coupling two elements

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

Apparatus for treating formations using alternate flowpaths

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

Borehole drill pipe continuous side entry or exit apparatus and

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

Borehole drill pipe continuous side entry or exit apparatus and

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

Borehole pipe side entry method and apparatus

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

Bottom hole assembly with coiled tubing insert

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

Built-in grout line for a well casing

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

Casing lined oil or gas well

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

Connector assembly and method of use

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

Control line protector for use on a well tubular member

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

Corrosion guard tubing nipple

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

Disconnect device