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2025
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Invention
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Downhole tubing cutter tool, downhole tubing cutter assembly and associated methods. A downhole t... |
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Invention
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System and method for permanent plugging of a petroleum well.
A valve for a landing packer in a ... |
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2024
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Invention
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A device, a toolstring, a downhole system and a method for drilling a lateral hole from a main bo... |
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Invention
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Device, a toolstring, and a method for orientating a downhole tool.
An orientation device (6) fo... |
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Invention
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Toolstring for setting a tubular equipment in a well tubing and method for setting the tubular eq... |
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2022
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Invention
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Drilling and milling tool. A drilling assembly comprises a drill bit and a cutting assembly. The ... |
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Invention
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Method of preparing a first combined digital signal to be transmitted along a wireline deployed i... |
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Invention
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System and method for permanent plugging of a petroleum well. A valve for a landing packer in a p... |
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Invention
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System and method for permanent plugging of a petroleum well. A valve for a landing packer ... |
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Invention
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Apparatus for performing multiple downhole operations in a production tubing tubular. A downhole ... |
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Invention
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Wellbore tool assembly.
A tool string arrangement (1) for displacement in a deviating wellbore (... |
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Invention
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Wellbore tool assembly. A tool string arrangement (1) for displacement in a deviating wellb... |
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Invention
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Drilling assembly for removal of an obstacle in a conduit. A drilling assembly (1) for maki... |
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Invention
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Drilling assembly for removal of an obstacle in a conduit. A drilling assembly for making a passa... |
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2020
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Invention
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Dump bailer and lubricator assembly for filling the dump bailer. A dump bailer for being filled w... |
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Invention
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Dump bailer and lubricator assembly for filling the dump bailer. The invention relates to a dump ... |
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Invention
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Wireline clean-out tool having improved capacity. A wireline clean-out tool including a first ope... |
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Invention
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Wireline clean-out tool having increased capacity. The invention relates to a wireline clean-out ... |
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Invention
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Wireline clean-out tool having improved capacity. The invention relates to a wireline clean-out t... |
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2019
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Invention
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Drilling and milling tool. A drilling assembly(1), comprising a drill bit (5) and a cutting assem... |
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Invention
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Device for emptying a wireline operated wellbore debris clean out tool and a method for using the... |
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Invention
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Device for hydraulically operating a drive wheel of a wellbore tractor, e.g. a motor, and related... |
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Invention
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Downhole tool and method for displacing a sleeve in a wellbore. It is described a downhole tool (... |
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2018
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Invention
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Wellbore cleanout tool. A downhole tool string forming a free end portion for performing an opera... |
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Invention
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Wellbore cleanout tool. It is described a downhole tool string (1) forming a free end portion (10... |
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Invention
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Wellbore cleanout tool. It is described a downhole tool string (1) forming a free end port... |
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Invention
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Apparatus for performing multiple downhole operations in a production tubing. A downhole apparatu... |
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Invention
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Apparatus for performing multiple downhole operations in a production tubing. It is described a d... |
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Invention
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Downhole tractor comprising an improved hydraulic system. A downhole tractor having a hydraulic s... |
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Invention
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Downhole tractor comprising an improved hydraulic system. The invention relates to a downho... |
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Invention
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Method and apparatus for performing a survey of tubing which is stuck in a borehole, e.g. for det... |
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Invention
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High tensile strength winder connection for downhole tools. A winder for a threaded connection of... |
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2017
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Invention
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System and method for cleaning a production tubing. A method of cleaning production tubing in a p... |
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Invention
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Downhole debris collecting device with a filter. A collecting device for displacement in a tubing... |
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Invention
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Downhole expansion tool and method for use of the tool. An expansion tool and method for expandin... |
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Invention
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Downhole tractor comprising two or more hydrualic supply lines. A downhole tractor has at least o... |
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Invention
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Overvoltage clamp with parallel controlled resistive path. The invention relates to an overvoltag... |
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Invention
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System and method for cleaning a receptacle. A receptacle is formed with a bottom end and a top e... |
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Invention
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Downhole debris-collecting tool having an improved valve. The downhole tool comprises: (i) a hous... |
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Invention
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Dowhole tractor comprising a hydraulic supply line for actuating hydraulic components. The downho... |
