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Tor Berge Stray Gjersvik

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Tor Berge Stray Gjersvik

Professor
Department of Geoscience

tor.b.gjersvik@ntnu.no
+4773593065 +4790081180 Petroleumsteknisk senter, -, Valgrinda, S. P. Andersens veg 15
Publications Teaching Outreach

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2025

  • Ahmadli, Mehman; Gjersvik, Tor Berge Stray; Sangesland, Sigbjørn; RATNAYAKE MUDIYANSELAGE, Chandima. (2025) Analysis of Friction and Wear Behavior of Polycrystalline Diamond Compact for Application in Subsea Valves. Journal of Offshore Mechanics and Arctic Engineering
    Academic article

2024

  • Ahmadli, Mehman; Gjersvik, Tor Berge Stray; Sangesland, Sigbjørn; Reynes, Christian. (2024) Analysis of All-Electric Subsea Gate Valve Designs and System Overview. Society of Petroleum Engineers
    Chapter
  • Ahmadli, Mehman; Gjersvik, Tor Berge Stray; Sangesland, Sigbjørn; Reynes, Christian. (2024) Enhancing Subsea Ball Valve Performance: A Material and Design Approach. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper

2023

  • Ahmadli, Mehman; Gjersvik, Tor Berge Stray; Sangesland, Sigbjørn. (2023) Design Assessment and Optimization of a Barrier Valve for Subsea Applications. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper

2022

  • Tjåland, Egil; Ellefmo, Steinar Løve; Aasly, Kurt; Gjersvik, Tor Berge; Fichler, Christine. (2022) Oil and Gas Technologies as Key Elements for a Viable Deep Sea Mining Industry. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Liu, Haoge; Gjersvik, Tor Berge Stray. (2022) Subsea Field Layout Optimization. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU (2022/33)
    Doctoral dissertation
  • Sevillano, Lucas Cantinelli; Sangesland, Sigbjørn; Gjersvik, Tor Berge; Faanes, Audun. (2022) A More Accurate Approach for the Design of Subsea Chemical Storage Systems Regarding Volume Requirements of Valve Leakage Tests. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper

2021

  • Liu, Haoge; Gjersvik, Tor Berge; Faanes, Audun. (2021) Subsea field layout optimization (part III) --- the location-allocation problem of drilling sites. Journal of Petroleum Science and Engineering
    Academic article
  • Liu, Haoge; Gjersvik, Tor Berge; Faanes, Audun. (2021) Subsea field layout optimization (Part I) – directional well trajectory planning based on 3D Dubins Curve. Journal of Petroleum Science and Engineering
    Academic article
  • Liu, Haoge; Gjersvik, Tor Berge; Faanes, Audun. (2021) Subsea field layout optimization (part II)–the location-allocation problem of manifolds. Journal of Petroleum Science and Engineering
    Academic article

2017

  • Henriksen, Eirik Hexeberg; Schjølberg, Ingrid; Gjersvik, Tor Berge. (2017) Vision Based Localization for Subsea Intervention. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Lie, Andreas Hansen; Tjomsland, Øyvind; Gjersvik, Tor Berge; Diaz Arias, Mariana JC. (2017) Installation and IMR on a subsea production system. NTNU
    Masters thesis

2016

  • Tjomsland, Øyvind; Lie, Andreas Hansen; Gjersvik, Tor Berge; Diaz Arias, Mariana JC. (2016) Installaion and IMR Operations for the Subsea Gate Box. NTNU
    Report
  • Henriksen, Eirik Hexeberg; Schjølberg, Ingrid; Gjersvik, Tor Berge. (2016) UW MORSE - The UnderWater Modular Open Robot Simulation Engine. Proceedings of the Symposium on Autonomous Underwater Vehicle Technology
    Academic article
  • Henriksen, Eirik Hexeberg; Schjølberg, Ingrid; Gjersvik, Tor Berge Stray. (2016) Adaptable Joystick Control System for Underwater Remotely Operated Vehicles. IFAC-PapersOnLine
    Academic article
  • Schjølberg, Ingrid; Gjersvik, Tor Berge Stray; Transeth, Aksel Andreas; Utne, Ingrid Bouwer. (2016) Next Generation Subsea Inspection, Maintenance and Repair Operations. IFAC-PapersOnLine
    Academic article

2015

  • Henriksen, Eirik Hexeberg; Gjersvik, Tor Berge; Thorkildsen, Brede. (2015) Positioning of subsea modules using an automated ROV. IEEE conference proceedings
    Academic chapter/article/Conference paper

Journal publications

  • Ahmadli, Mehman; Gjersvik, Tor Berge Stray; Sangesland, Sigbjørn; RATNAYAKE MUDIYANSELAGE, Chandima. (2025) Analysis of Friction and Wear Behavior of Polycrystalline Diamond Compact for Application in Subsea Valves. Journal of Offshore Mechanics and Arctic Engineering
    Academic article
  • Liu, Haoge; Gjersvik, Tor Berge; Faanes, Audun. (2021) Subsea field layout optimization (part III) --- the location-allocation problem of drilling sites. Journal of Petroleum Science and Engineering
    Academic article
  • Liu, Haoge; Gjersvik, Tor Berge; Faanes, Audun. (2021) Subsea field layout optimization (Part I) – directional well trajectory planning based on 3D Dubins Curve. Journal of Petroleum Science and Engineering
    Academic article
  • Liu, Haoge; Gjersvik, Tor Berge; Faanes, Audun. (2021) Subsea field layout optimization (part II)–the location-allocation problem of manifolds. Journal of Petroleum Science and Engineering
    Academic article
  • Henriksen, Eirik Hexeberg; Schjølberg, Ingrid; Gjersvik, Tor Berge. (2016) UW MORSE - The UnderWater Modular Open Robot Simulation Engine. Proceedings of the Symposium on Autonomous Underwater Vehicle Technology
    Academic article
  • Henriksen, Eirik Hexeberg; Schjølberg, Ingrid; Gjersvik, Tor Berge Stray. (2016) Adaptable Joystick Control System for Underwater Remotely Operated Vehicles. IFAC-PapersOnLine
    Academic article
  • Schjølberg, Ingrid; Gjersvik, Tor Berge Stray; Transeth, Aksel Andreas; Utne, Ingrid Bouwer. (2016) Next Generation Subsea Inspection, Maintenance and Repair Operations. IFAC-PapersOnLine
    Academic article

Part of book/report

  • Ahmadli, Mehman; Gjersvik, Tor Berge Stray; Sangesland, Sigbjørn; Reynes, Christian. (2024) Analysis of All-Electric Subsea Gate Valve Designs and System Overview. Society of Petroleum Engineers
    Chapter
  • Ahmadli, Mehman; Gjersvik, Tor Berge Stray; Sangesland, Sigbjørn; Reynes, Christian. (2024) Enhancing Subsea Ball Valve Performance: A Material and Design Approach. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Ahmadli, Mehman; Gjersvik, Tor Berge Stray; Sangesland, Sigbjørn. (2023) Design Assessment and Optimization of a Barrier Valve for Subsea Applications. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Tjåland, Egil; Ellefmo, Steinar Løve; Aasly, Kurt; Gjersvik, Tor Berge; Fichler, Christine. (2022) Oil and Gas Technologies as Key Elements for a Viable Deep Sea Mining Industry. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Sevillano, Lucas Cantinelli; Sangesland, Sigbjørn; Gjersvik, Tor Berge; Faanes, Audun. (2022) A More Accurate Approach for the Design of Subsea Chemical Storage Systems Regarding Volume Requirements of Valve Leakage Tests. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Henriksen, Eirik Hexeberg; Schjølberg, Ingrid; Gjersvik, Tor Berge. (2017) Vision Based Localization for Subsea Intervention. The American Society of Mechanical Engineers (ASME)
    Academic chapter/article/Conference paper
  • Henriksen, Eirik Hexeberg; Gjersvik, Tor Berge; Thorkildsen, Brede. (2015) Positioning of subsea modules using an automated ROV. IEEE conference proceedings
    Academic chapter/article/Conference paper

Report

  • Liu, Haoge; Gjersvik, Tor Berge Stray. (2022) Subsea Field Layout Optimization. Norges teknisk-naturvitenskapelige universitet Doktoravhandlinger ved NTNU (2022/33)
    Doctoral dissertation
  • Lie, Andreas Hansen; Tjomsland, Øyvind; Gjersvik, Tor Berge; Diaz Arias, Mariana JC. (2017) Installation and IMR on a subsea production system. NTNU
    Masters thesis
  • Tjomsland, Øyvind; Lie, Andreas Hansen; Gjersvik, Tor Berge; Diaz Arias, Mariana JC. (2016) Installaion and IMR Operations for the Subsea Gate Box. NTNU
    Report

Teaching

Courses

  • TPG4580 - Subsea Technology, Specialization Project
  • TPG4200 - Subsea Technology
  • PG6915 - Technology Management and Digital Transformation, Master's Thesis
  • TPG4215 - Drilling Engineering 2
  • TPG4920 - Petroleum Geoscience and Engineering, Master's Thesis

Outreach

2022

  • Poster
    Sevillano, Lucas Cantinelli; Sangesland, Sigbjørn; Gjersvik, Tor Berge; Faanes, Audun. (2022) Evaluation of Subsea Production Systems Design Concepts Based on Xmas Tree Modularization, with Focus on Intervention Operations. Underwater Technology Conference UTC2022 , Bergen 2022-06-15 - 2022-06-16
  • Lecture
    Sevillano, Lucas Cantinelli; Sangesland, Sigbjørn; Gjersvik, Tor Berge; Faanes, Audun. (2022) A MORE ACCURATE APPROACH FOR THE DESIGN OF SUBSEA CHEMICAL STORAGE SYSTEMS REGARDING VOLUME REQUIREMENTS OF VALVE LEAKAGE TESTS. The American Society of Mechanical Engineers 41st International Conference on Ocean, Offshore, and Arctic Engineering (OMAE2022) , Hamburg 2022-06-05 - 2022-06-10

2021

  • Academic lecture
    Sevillano, Lucas Cantinelli; Sangesland, Sigbjørn; Gjersvik, Tor Berge; Faanes, Audun. (2021) ENABLING TECHNOLOGIES FOR LOW COST SUBSEA FIELD DEVELOPMENT. The American Society of Mechanical Engineers 40th International Conference on Ocean, Offshore, and Arctic Engineering (OMAE2021) 2021-06-21 - 2021-06-30

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