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STATOIL PETROLEUM ASA

STATOIL PETROLEUM ASA Patent applications
Patent application numberTitlePublished
20120031625FLOW CONTROL DEVICE AND FLOW CONTROL METHOD - The present invention relates to a method of improving flow stability for a multiphase fluid flowing through a tubular element (02-09-2012
20110290326FLOW CONTROL DEVICE AND FLOW CONTROL METHOD - A method for reversible temperature sensitive control of the flow of fluid in oil and/or gas production, involves a control device or an autonomous valve operating by the Bernoulli principle and includes a moveable disk or body provided within a housing for opening and closing said valve, involving use of the Curie-effect in order to position said body in a preferred position within said housing at a temperature below a certain, preferred transition or Curie temperature. An apparatus for reversible temperature sensitive control of the flow of fluid in oil and/or gas production including a control device or an autonomous valve operating by the Bernoulli principle and including a moveable disk or body provided within a housing for opening and closing said valve, the body and housing including a ferromagnetic material having a certain, preferred Curie temperature, the temperature being selected in order to position the body in a preferred position in the housing during installation or operation.12-01-2011