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Ole Sevheim

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  • Stavanger, NO
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Patents Grantslast 30 patents

  • Information Patent Grant

    Plug and production tubing for a petroleum well
    • Patent number 11,002,102
    • Issue date May 11, 2021
    • Petroleum Technology Company AS
    • Ole Sevheim
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Valve arrangement and method of operating the same
    • Patent number 9,611,720
    • Issue date Apr 4, 2017
    • Petroleum Technology Company AS
    • Ole Sevheim
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Valve system
    • Patent number 9,587,463
    • Issue date Mar 7, 2017
    • Petroleum Technology Company AS
    • Magnar Tveiten
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Valve system
    • Patent number 9,140,096
    • Issue date Sep 22, 2015
    • Petroleum Technology Company AS
    • Magnar Tveiten
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Bellows valve
    • Patent number 8,701,779
    • Issue date Apr 22, 2014
    • Petroleum Technology Company AS
    • Erling Kleppa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Device for injection and stimulation of fluids in a well bore
    • Patent number 8,684,073
    • Issue date Apr 1, 2014
    • Petroleum Technology Company AS
    • Ole Sevheim
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Shear open valve
    • Patent number 8,291,981
    • Issue date Oct 23, 2012
    • Petroleum Technology Company AS
    • Magnar Tveiten
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    PLUG AND PRODUCTION TUBING FOR A PETROLEUM WELL
    • Publication number 20200123872
    • Publication date Apr 23, 2020
    • PETROLEUM TECHNOLOGY COMPANY AS
    • Ole Sevheim
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Valve arrangement and method of operating the same
    • Publication number 20150330183
    • Publication date Nov 19, 2015
    • PETROLEUM TECHNOLOGY COMPANY AS
    • Ole Sevheim
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    VALVE SYSTEM
    • Publication number 20140290962
    • Publication date Oct 2, 2014
    • Magnar Tveiten
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Valve device for a side pocket or sub in a well
    • Publication number 20130206424
    • Publication date Aug 15, 2013
    • PETROLEUM TECHNOLOGY COMPANY AS
    • Erling Kleppa
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Valve assembly
    • Publication number 20130206239
    • Publication date Aug 15, 2013
    • Petroleum Technology Technology Company AS
    • Oyvind Stokka
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Actuator device
    • Publication number 20130140033
    • Publication date Jun 6, 2013
    • Erling Kleppa
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    VALVE SYSTEM
    • Publication number 20120305256
    • Publication date Dec 6, 2012
    • PETROLEUM TECHNOLOGY COMPANY AS
    • Magnar Tveiten
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Bellows valve
    • Publication number 20120125621
    • Publication date May 24, 2012
    • PETROLEUM TECHNOLOGY COMPANY AS
    • Oyvind Stokka
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Bellows Valve
    • Publication number 20110067879
    • Publication date Mar 24, 2011
    • PETROLEUM TECHNOLOGY COMPANY AS
    • Erling Kleppa
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DEVICE FOR INJECTION AND STIMULATION OF FLUIDS IN A WELL BORE
    • Publication number 20110042066
    • Publication date Feb 24, 2011
    • PETROLEUM TECHNOLOGY COMPANY AS
    • Ole Sevheim
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Shear Open Valve
    • Publication number 20100288502
    • Publication date Nov 18, 2010
    • PETROLEUM TECHNOLOGY COMPANY AS
    • Oyvind Stokka
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Stealth Orifice
    • Publication number 20100212908
    • Publication date Aug 26, 2010
    • PETROLEUM TECHNOLOGY COMPANY AS
    • Oyvind Stokka
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Bellows valve
    • Publication number 20100155079
    • Publication date Jun 24, 2010
    • PETROLEUM TECHNOLOGY COMPANY AS
    • Oyvind Stokka
    • E21 - EARTH DRILLING MINING