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2024
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Invention
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Barrier fluid management system. The present invention relates to a subsea drilling mud pump asse... |
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Invention
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External, removable cementing adapter for managed pressure cementing and a method of managed pres... |
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Invention
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Pumped mud return system with an anti-clogging system used in connection with offshore drilling o... |
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Invention
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Pressure management when flowing down part of the annulus of a well. The present invention relate... |
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Invention
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Multi-mode pumped riser arrangement and methods. A riser system in the form of a pumped riser, i.... |
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2023
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Invention
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Multi-mode pumped riser arrangement and methods. The present invention relates to a riser system ... |
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Invention
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Riser suspension device with movement limiter. A gimbal device for suspending a riser on a mobile... |
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Invention
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Arrangement for preventing collection of debris and cuttings on the top of a riser closure device... |
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2022
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G/S
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Well drilling machines and parts therefor; pumps, namely piston pumps, plunger pumps, hydraulic p... |
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G/S
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Well drilling machines and parts therefor; pumps;
submersible pumps; pressure regulators; pressu... |
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2020
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Invention
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Arrangement for controlling volume in a gas or oil well system.
The invention relates to an arra... |
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Invention
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Arrangement for controlling volume in a gas or oil well system. The invention relates to an arran... |
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Invention
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System and methods for controlled mud cap drilling. A subsea drilling method for controlling the ... |
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2015
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Invention
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Systems and methods for subsea drilling. A subsea drilling method and system controls drilling fl... |
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Invention
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Riser isolation device having automatically operated annular seal. A device for control of return... |
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2014
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Invention
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Riser restrictor device. A restrictor device for controlling a return flow of drilling fluid from... |
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Invention
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Riser restrictor device. A restrictor device (6) for controlling a return flow of drilling fluid ... |
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Invention
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Method and apparatus for subsea well plug and abandonment operations. The invention provides a me... |
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2013
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Invention
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Impeller for centrifugal pump and use thereof when pumping drill fluid containing cuttings. An im... |
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G/S
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[ Well drilling machines for use in oil and gas production; pumps for machines for use in oil and... |
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G/S
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Well drilling machines for use in oil and gas production;
pumps for use in oil and gas productio... |
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Invention
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Method for circulating a fluid entry out of a subsurface wellbore without shutting in the wellbor... |
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2012
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Invention
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Method and device for riserless drilling fluid recovery. A method and a device for enabling the u... |
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Invention
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System and method for inhibiting an explosive atmosphere in open riser subsea mud return drilling... |
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Invention
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Device and method for controlling return flow from a bore hole. There is provided a device and me... |
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Invention
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Drilling fluid pump module coupled to specially configured riser segment and method for coupling ... |
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Invention
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Pump. A pump varies output flow. For all cross-sections, which are vertical to the axis of rotati... |
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2011
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Invention
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Arrangement and method for regulating bottom hole pressures when drilling deepwater offshore well... |
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Invention
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Method and device for establishing a borehole in the seabed. A method and device for establishing... |
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Invention
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Riserless, pollutionless drilling system. The invention provides a drilling system for drilling s... |
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G/S
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Well drilling machines; submersible pumps Installation, repair, maintenance and rental of machine... |
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G/S
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Well drilling machines; submersible pumps. Installation, repair, maintenance and rental of machin... |
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2010
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Invention
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System and method for drilling a subsea well. A subsea mud pump can be used to return heavy drill... |
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G/S
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[ Well drilling machines for use in oil and gas production; submersible pumps for use in oil and ... |
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G/S
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Well drilling machines for use in oil and gas production;
submersible pumps for use in oil and g... |
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2009
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Invention
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Progressive cavity pump including inner and outer rotors and a wheel gear maintaining an interrel... |
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Invention
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Progressive cavity pump having an inner rotor, an outer rotor, and transition end piece. An outer... |
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Invention
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High pressure sleeve for dual bore hp riser. A high pressure sleeve for a dual bore high pressure... |
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Invention
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Method and arrangement for removing soils, particles or fluids from the seabed or from great sea ... |
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Invention
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Systems and methods for subsea drilling. A subsea drilling method and system for controlling the ... |
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2008
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Invention
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Progressing cavity pump with several pump sections. A progressing cavity pump comprises at least ... |
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Invention
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Progressing cavity pump adapted for pumping of compressible fluids. A progressing cavity pump ada... |
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2007
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Invention
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Arrangement and method for controlling and regulating bottom hole pressure when drilling deepwate... |
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2006
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Invention
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High pressure system. An arrangement and method for integrating a high pressure riser sleeve from... |
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Invention
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Centralization and running tool and method. The invention relates to a centralization and running... |
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2005
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Invention
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Method and system for return of drilling fluid. A system and method is described for use and retu... |
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2004
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Invention
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Method and device for controlling drilling fluid pressure. A method of reducing drilling fluid pr... |
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Invention
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Device for removal and filtration of drilling fluid. The invention relates to a device for remova... |
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Invention
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Method and arrangement for performing drilling operations. An arrangement and a method to control... |
