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2020
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Invention
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Resistive position sensor. A double-acting linear actuator (50) comprises a first part with at le... |
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2019
|
Invention
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Anchor device. An anchor device having a tubular body with a longitudinal axis, the tubular body ... |
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|
Invention
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Wellbore tool and a tool section interconnection fluid coupling. A wellbore tool and a tool secti... |
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Invention
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A wellbore tool and a tool section interconnection fluid coupling. A wellbore tool (300) and a to... |
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2018
|
Invention
|
Non-rotating linear actuator with hydraulic feed through.
Providing hydraulic fluid from a hydra... |
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Invention
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Non-rotating linear actuator with hydraulic feed through. Providing hydraulic fluid from a hydrau... |
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P/S
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Machines for oil and gas extraction with downhole application, namely, an electromechanical machi... |
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P/S
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Machines for oil and gas extraction [downhole application]. Scientific and technological services... |
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P/S
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Apparatus and instruments for oil and gas extraction, namely, oil well boring machines, oil-well ... |
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2017
|
Invention
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Well tractor drive section with pairs of drive arm bearings mutually oppositely displaced from th... |
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|
Invention
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A well tractor drive section with pairs of drive arm bearings mutually oppositely displaced from ... |
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2016
|
Invention
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Linear actuator with hydraulic feed through. Hydraulic fluid is from a hydraulic pump to a tool c... |
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|
Invention
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Linear actuator with hydraulic feed through. Providing hydraulic fluid from a hydraulic pump (64)... |
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2015
|
Invention
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A petroleum well downhole mechanical services platform tool. The invention is a petroleum well do... |
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2014
|
Invention
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A petroleum well injection system for an intervention cable with a well tool run into or out of a... |
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|
Invention
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A fibre composite rod fishing tool. A fibre composite rod fishing tool comprising a ring base (1)... |
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|
Invention
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Downhole tractor with redundant motor drives with independent circuit breakers. The invention is ... |
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2013
|
Invention
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Injector for logging or intervention string. A well logging- or well intervention string (0) inje... |
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|
Invention
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Injector for logging or intervention string.
A well logging- or well intervention string injecto... |
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|
Invention
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Drum unit with an arch compensator for a well intervention string. A drum unit (T) for an interve... |
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|
Invention
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A well intervention cable bending restriction for a rigid resilient rod-shaped intervention cable... |
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2012
|
Invention
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Flexible routing device for well intervention. The invention is a conduit device (7) for a petrol... |
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|
Invention
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Drum unit for a well intervention string. The invention is a drum unit (T) for an intervention st... |
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|
Invention
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Fibre composite rod petroleum well intervention power cable. The fibre composite rod intervention... |
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2011
|
Invention
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A brake for an elongate element. A brake for a cable or similar, comprising a first abutment memb... |
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Invention
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Injector head. An injector head for feeding a tool string support member downhole is described. T... |
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Invention
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Cablehead. An apparatus for gripping a support member is described. The apparatus comprises a tub... |
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Invention
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A bend restrictor. A bend restrictor for an elongate flexible element, such as a cable, comprisin... |
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2009
|
Invention
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Tube/pipe spooling device. A reel assembly for supplying a continuous composite tubing of a type ... |
