Patentsok

Anordning og prosess for framstilling av asfalt, med tilsetning av vann

Framgangsmåte for gjenvinning av energi under framstilling av asfaltmasse

POWER SUPPLY SYSTEM INCLUDING A PASSIVE COOLING SYSTEM

A drill pipe string conveyed bridge plug running tool (100) and a method for forming and verifying a cement plug

A controlled borehole wall collapsing method for sealing a ductile rock formation in a borehole

DISCONNECTION DEVICE FOR A WELL TOOL

Toolstring assembly and method for releasing and removing a stuck casing

Metode for plugge- og nedstengningsoperasjon

SPEAR AND PACKER TOOL, AN ASSEMBLY COMPRISING SAID TOOL, AND A METHOD FOR USING SAID TOOL AND SAID ASSEMBLY

A sealing device, a downhole tool comprising a sealing device and petroleum well toolstring valve comprising a sealing device

Subsea cut and pull method

Downhole washing tool

Method for improved barrier setting

CASING EXPANDER

Barrier Verification System

Plug and abandonment of subsea wells

Method and tool for cementing in a wellbore

SWIVEL AND CIRCULATION CONTROL VALVE TOOL

A drill pipe string borne well test tool

Autonomous plug tool

Rotating stinger valve for J-slot connector

Mechanical Casing Annulus Packer II

Axial position-controlled operation toolstring and method

Casing cutter tool and method for operating the casing cutter - pressure actuated piston sleeve actuating ball valve

Improved wear bushing install and retrieve system for a petroleum well, and Method therefor.