TREA

Lars Stæhr

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  • Glostrup, DK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Annular barrier with expansion unit
    • Patent number 10,711,562
    • Issue date Jul 14, 2020
    • Welltec Oilfield Solutions AG
    • Lars Stæhr
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole expandable metal tubular
    • Patent number 10,711,559
    • Issue date Jul 14, 2020
    • Welltec Oilfield Solutions AG
    • Ricardo Reves Vasques
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Annular barrier with closing mechanism
    • Patent number 10,526,865
    • Issue date Jan 7, 2020
    • Welltec Oilfield Solutions AG
    • Lars Stæhr
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole valve system
    • Patent number 10,443,344
    • Issue date Oct 15, 2019
    • Welltec Oilfield Solutions AG
    • Ricardo Reves Vasques
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole flow control device
    • Patent number 10,385,655
    • Issue date Aug 20, 2019
    • Welltec Oilfield Solutions AG
    • Lars Stæhr
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Zone isolation method and annular barrier with an anti-collapsing unit
    • Patent number 10,190,386
    • Issue date Jan 29, 2019
    • Welltec Oilfield Solutions AG
    • Lars Stæhr
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole expandable tubular
    • Patent number 10,151,168
    • Issue date Dec 11, 2018
    • Welltec Oilfield Solutions AG
    • Jørgen Hallundbæk
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole expandable metal tubular
    • Patent number 10,100,598
    • Issue date Oct 16, 2018
    • Welltec A/S
    • Lars Stæhr
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole expandable tubular
    • Patent number 10,100,621
    • Issue date Oct 16, 2018
    • Welltec A/S
    • Jørgen Hallundbæk
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Annular barrier with a seal
    • Patent number 9,963,952
    • Issue date May 8, 2018
    • Welltec A/S
    • Jørgen Hallundbæk
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole injection tool
    • Patent number 9,683,425
    • Issue date Jun 20, 2017
    • Welltec A/S
    • Jørgen Hallundbæk
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    ANNULAR BARRIER WITH EXPANSION UNIT
    • Publication number 20180128075
    • Publication date May 10, 2018
    • Welltec A/S
    • Lars STÆHR
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ANNULAR BARRIER WITH CLOSING MECHANISM
    • Publication number 20170321515
    • Publication date Nov 9, 2017
    • Lars STÆHR
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE VALVE SYSTEM
    • Publication number 20170234105
    • Publication date Aug 17, 2017
    • Welltec A/S
    • Ricardo Reves VASQUES
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    A DOWNHOLE FLOW CONTROL DEVICE
    • Publication number 20170122066
    • Publication date May 4, 2017
    • Welltec A/S
    • Lars STÆHR
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE EXPANDABLE METAL TUBULAR
    • Publication number 20170101846
    • Publication date Apr 13, 2017
    • Welltec A/S
    • Ricardo Reves VASQUES
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE EXPANDABLE METAL TUBULAR
    • Publication number 20160369587
    • Publication date Dec 22, 2016
    • Welltec A/S
    • Lars STÆHR
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    A DOWNHOLE EXPANDABLE TUBULAR
    • Publication number 20160326830
    • Publication date Nov 10, 2016
    • Welltec A/S
    • Jørgen HALLUNDBÆK
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ANNULAR BARRIER WITH AN ANTI-COLLAPSING UNIT
    • Publication number 20160298414
    • Publication date Oct 13, 2016
    • Welltec A/S
    • Lars STÆHR
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    A DOWNHOLE EXPANDABLE TUBULAR
    • Publication number 20160053591
    • Publication date Feb 25, 2016
    • Welltec A/S
    • Jørgen HALLUNDBÆK
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    A COMPLETION COMPONENT WITH POSITION DETECTION
    • Publication number 20160032713
    • Publication date Feb 4, 2016
    • Welltec A/S
    • Jørgen HALLUNDBÆK
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE SETTING TOOL
    • Publication number 20150308240
    • Publication date Oct 29, 2015
    • Welltec A/S
    • Jørgen HALLUNDBÆK
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ANNULAR BARRIER WITH A SEAL
    • Publication number 20150068774
    • Publication date Mar 12, 2015
    • Welltec A/S
    • Jørgen Hallundbæk
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE INJECTION TOOL
    • Publication number 20140238675
    • Publication date Aug 28, 2014
    • Jørgen Hallundbæk
    • E21 - EARTH DRILLING MINING