Patentsok

Automotive battery with regenerated electric charging

METHOD AND DEVICE FOR DIRECTING A FLUID FLOW IN AN ANNULUS AROUND A PIPE STRING

A DOWNHOLE TUBULAR VERIFICATION AND CENTRALIZING DEVICE, AND METHOD

A method of depositing a sealant material at a downhole location

A hole forming tool

Rørledningstrekkeverktøy og en fremgangsmåte for aktivering av et rørledningstrekkeverktøy

A well tool with an angle orienting feature

Trekkeverktøy benyttet i et borehull og/eller rørledning og en drivmodul for et trekkeverktøy

Apparatus and method for acoustic deterrent targeting individual species of woodpeckers.

METHOD, SYSTEM AND COMPUTER PROGRAM PRODUCT FOR PROVIDING INTERACTIVE ELEMENTS IN MESSAGES

Downhole tractor comprising an improved hydraulic system

Apparatus for performing multiple downhole operations in a production tubing

METHOD OF PREPARING A SIGNAL TO BE TRANSMITTED FROM SURFACE EQUIPMENT ALONG A WIRELINE DEPLOYED IN A WELL, AND METHOD OF PREPARING AND TRANSMITTING TELEMETRY DATA ALONG A WIRELINE DEPLOYED IN A WELL

Toolstring for setting a tubular equipment in a well tubing and method for setting the tubular equipment

A method for permanent plugging of a petroleum well

Collecting device with an adjustable filter position and method for use

Method and apparatus for releasing a toolstring stuck in a wellbore

Downhole debris collecting device with a filter

A METHOD AND A SYSTEM FOR DRILLING A RADIAL HOLE IN A TUBULAR STRUCTURE

GRADED FILTER-SEPARATOR AND METHOD FOR USE

A device, a toolstring, and a method for orientating a downhole tool

DOWNHOLE DEBRIS COLLECTING DEVICE WITH A FILTER AND A METHOD FOR EMPTYING THE COLLECTING DEVICE

Wellbore cleanout tool

Method and apparatus for performing a survey of tubing which is stuck in a borehole, e.g. for determining a free point

Device for hydraulically operating a drive wheel of a wellbore tractor, e.g. a motor, and related tractor, wellbore string, and method