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2011
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Invention
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Internal blow out preventer. An internal blow out preventer (1) for use in a drill string, compri... |
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2010
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Invention
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Riser tensioner. A riser tensioner (1) comprising a support (2) for a number of actuators (4), wh... |
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2008
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Invention
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Means for emptying packages. The invention relates to a sack cutting means (10) for offshore empt... |
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Invention
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Means and method for mixing a particulate material and a liquid. A means for securing a proper mi... |
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Invention
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Method for detection of a fluid leak related to a piston machine. A method for detection of a flu... |
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Invention
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Retainer for electronic identification tag |
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Invention
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Lock for axial locking of a piston rod coupling of a hydraulic ram to the body of the hydraulic r... |
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Invention
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A method and a device for hoisting an item. A method for hoisting an item (14) at sea, in which t... |
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Invention
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A collector device for drilling fluid. A collector device (1) for collecting drilling fluid from ... |
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Invention
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Method for detection of a malfunction related to a fluid affected component in a piston machine. ... |
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Invention
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Winch device. A winch device (1) in which a fibre rope (22) surrounds the drum (2) of the winch (... |
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2007
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Invention
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Centralizing device for an elongated body in a mouse hole machine. A centralizing device (1) for ... |
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Invention
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A drawworks device on a drill floor. A drawworks (1) device on a drill floor (32), the drawworks ... |
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Invention
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A system for active heave compensation and use thereof. A system for active heave compensation of... |
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Invention
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Tool for connecting and disconnecting tubulars. Abstract A tool (16) for connecting and disconnec... |
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2006
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Invention
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Drill floor device. A drill floor device (1) comprising two or more mouseholes (7, 8, 9) for asse... |
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Invention
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method of incorporating a fast, readable data chip into metallic surfaces for electronic identif... |
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Invention
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A method of incorporating a fast, readable data chip into metallic surfaces for electronic identi... |
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Invention
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Method and device for determination of a leakage in a piston machine. A method of determining a l... |
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Invention
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A method for determination of a leakage on a piston machine. A method of determining a leakage in... |
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2005
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Invention
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A method of filtering pump noise. A method of filtering out pressure noise generated by one or mo... |
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2004
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Invention
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Locking device for built pipe connections. A locking device for locking a threaded pipe connectio... |
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Invention
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Locking device for built pipe connections. An arrangement for locking a threaded pipe connection,... |
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2003
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Invention
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Tensioning system for production tubing in a riser at a floating installation for hydrocarbon pro... |
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Invention
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Draining of oil leak in a hydraulic cylinder. A device for a single-acting hydraulic cylinder (1)... |
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Invention
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Two-part telescopic tensioner for risers at a floating installation for oil and gas production. A... |
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Invention
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Method and device for detecting leaks in reciprocating machinery. A method of and device for dete... |
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Invention
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A method and a device for protection of personnel. A method and a device for determining if or wh... |
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Invention
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Valve arrangement for reciprocating machinery such as a pump and a compressor. A valve arrangemen... |
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2002
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Invention
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Method of reducing the density of drilling mud. A method of drilling sub-sea oil and gas producti... |
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Invention
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Arrangement at a multi ball check valve. An arrangement at a check valve (2a) of the type used in... |
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Invention
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Disconnectable riser tensioning buoy. A device for drilling offshore wells, where a riser (24) co... |
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Invention
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Riser tensioning arrangement. An arrangement for transferring loads by means of one or more hydra... |
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Invention
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A method and arrangement for connecting drill pipes/drill pipe stands. A method and arrangement f... |
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2001
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Invention
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Damper device for a hydraulic system, where a piston provided with an electric coil and a permane... |
