• Frictional Properties and Seismogenic Potential of Caprock Shales 

  Bohloli, Bahman; Soldal, Magnus; Smith, Halvard; Skurtveit, Elin; Choi, Jung Chan; Sauvin, Guillaume (Peer reviewed; Journal article, 2020)

  Fractures and faults are critical elements affecting the geomechanical integrity of CO2 storage sites. In particular, the slip of fractures and faults may affect reservoir integrity and increase potential for breach, may ...

• Benchmark study of undrained triaxial testing of Opalinus Clay shale: Results and implications for robust testing 

  Minardi, Alberto; Giger, Silvio B.; Ewy, Russel T.; Stancovic, Rudy; Stenebråten, Jørn; Soldal, Magnus; Rosone, Marco; Ferrari, Alessio; Laloui, Lyesse (Peer reviewed; Journal article, 2020)

  Triaxial testing of argillaceous rocks and shales is significantly more challenging than conventional rock mechanical testing. The challenges are mainly related to the very low permeability of these geomaterials, and their ...

• D4 - Recommended guidelines report 

  Blomberg, Ann E. A.; Waarum, Ivar-Kristian; Eek, Espen; Totland, Ole Lorentzen (NGI-rapport;20180127-04-R Rev. 1, Report, 2020-11-10)

  Carbon capture and storage (CCS) is a promising tool for accelerating decarbonization and reaching international climate goals. The process involves capturing CO2 from energy-intensive industries such as waste-to-energy ...

• GADL1 is a multifunctional decarboxylase with tissue-specific roles in β-alanine and carnosine production 

  Mahootchi, Elaheh; Homaei, Selina Cannon; Kleppe, Rune; Winge, Ingeborg; Hegvik, Tor-Arne; Perez, Roberto Megias; Totland, Christian; Mogavero, Floriana; Baumann, Anne; Glennon, Jeffrey Colm; Miletic, Hrvoje; Kursula, Petri; Haavik, Jan (Peer reviewed; Journal article, 2020)

• Experimental investigation of natural fracture stiffness and flow properties in a faulted CO2 bypass system (Utah, USA) 

  Skurtveit, Elin; Sundal, Anja; Bjørnarå, Tore Ingvald; Soldal, Magnus; Sauvin, Guillaume; Zuchuat, Valentin; Midtkandal, Ivar; Braathen, Alvar (Peer reviewed; Journal article, 2020)

  Fracture stiffness and flow properties have been measured in the laboratory using naturally fractured fault rock samples from the Little Grand Wash fault, Utah, USA. We compare fracture closure and related flow change ...

• Interaction of deformation bands and fractures during progressive strain in monocline - San Rafael Swell, Central Utah, USA 

  Braathen, Alvar; petrie, elisabeth; Nystuen, Tonje; Sundal, Anja; Skurtveit, Elin; Zuchuat, Valentin; Gutierrez, Marte; Midtkandal, Ivar (Peer reviewed; Journal article, 2020)

• Facilitating microplastic quantification through the introduction of a cellulose dissolution step prior to oxidation: Proof-of-concept and demonstration using diverse samples from the Inner Oslofjord, Norway 

  Olsen, Linn Merethe Brekke; Knutsen, Heidi; Mahat, Sabnam; Wade, Emma Jane; Arp, Hans Peter (Peer reviewed; Journal article, 2020)

  Identifying and quantifying microplastic in marine samples can be facilitated by removing natural organic matter (NOM). Cellulosic material, like chitin, however, are a type of NOM that is resistant to chemical digestion, ...

• Seismic-fluid detection-a review 

  Fawad, Manzar; Hansen, Jørgen André; Mondol, Nazmul Haque (Peer reviewed; Journal article, 2020)

• Effect of kinematic interaction on seismic response of offshore wind turbines on monopiles 

  Kaynia, Amir M. (Peer reviewed; Journal article, 2020)

  Interest in renewable energy over the past decade has motivated a remarkable research on offshore wind energy. Due to the environmental loading conditions in the early developments of offshore wind farms, the focus of the ...

• Effects of acidic water on hydro-mechanical properties of asphalt concrete 

  Feng, Shan; Wang, Weibiao; Tan, Hang; Xue, Meng; Høeg, Kaare (Peer reviewed; Journal article, 2020)

  Asphalt concrete is widely used in road and airport pavements and more recently also in the construction of impervious facings and central cores in dams and dykes. Asphalt concrete may be subjected to strongly acidic water ...

• Fluorinated Precursor Compounds in Sediments as a Source of Perfluorinated Alkyl Acids (PFAA) to Biota 

  Langberg, Håkon Austad; Breedveld, Gijs D.; Slinde, Gøril Aasen; Grønning, Hege Mentzoni; Høisæter, Åse; Jartun, Morten; Rundberget, Thomas; Jenssen, Bjørn Munro; Hale, Sarah (Peer reviewed; Journal article, 2020)

  The environmental behavior of perfluorinated alkyl acids (PFAA) and their precursors was investigated in lake Tyrifjorden, downstream a factory producing paper products coated with per- and polyfluorinated alkyl substances ...

• Wetting-induced collapse behaviour of a natural and vegetated coarse pyroclastic soil 

  Capobianco, Vittoria; Cascini, Laonardo; Cuomo, Sabatino; Foresta, Vito (Peer reviewed; Journal article, 2020)

  Unsaturated pyroclastic soils originated by Vesuvius volcano show a collapsible behaviour upon wetting with a significant reduction in volume and rearrangement of solid skeleton. The paper investigates the role played by ...

• Design and performance of the Quxue asphalt-core rockfill dam 

  Feng, Shan; Wang, Weibiao; Hu, Weihua; Deng, Yiguo; Yang, Jian; Wu, Shaoqiao; Zhang, Chenliang; Høeg, Kaare (Peer reviewed; Journal article, 2020)

  The design and performance of the 174-m high Quxue asphalt-core rockfill dam in Sichuan Province, China, are presented. An extensive field monitoring program was implemented. During construction, the asphalt core settled ...

• A Novel Small-Scale Model Testing Device for Laterally Loaded Piles 

  Sturm, Hendrik; Støren, Andrea (Chapter, 2020)

• Design considerations of suction caisson foundations for offshore wind turbines in Southern China 

  Liu, Bo; Zhang, Youhu; Ma, Zhaorong; Andersen, Knut H; Jostad, Hans Petter; Liu, Donghua; Pei, Aiguo (Peer reviewed; Journal article, 2020)

  Suction caisson foundations are increasingly considered as a foundation solution for offshore wind farm development in China. This paper outlines the design considerations for developing a suction caisson supported jacket ...

• Geophysical early warning of salt precipitation during geological carbon sequestration 

  Falcon-Suarez, Ismael; Livo, Kurt; Callow, Ben; Marin-Moreno, Héctor; Prasad, Manika; Best, Angus (Peer reviewed; Journal article, 2020)

  Sequestration of industrial carbon dioxide ( CO 2) in deep geological saline aquifers is needed to mitigate global greenhouse gas emissions; monitoring the mechanical integrity of reservoir formations is essential for ...

• Considerations on scaling behavior in avalanche flow: Implementation in a simple mass block model 

  Gauer, Peter (Peer reviewed; Journal article, 2020)

  Observations of runout distances combined with velocity measurements suggest that “major” dry-mixed avalanches show a scale invariance to the total drop height HSC. This is in accordance to the proposed upper-limit envelope ...

• A Benchmark Case Study for Seismic Event Relative Location 

  Gibbons, Steven John; Kværna, Tormod; Tiira, Timo; Kozlovskaya, Elena (Peer reviewed; Journal article, 2020)

  “Precision seismology” encompasses a set of methods which use differential measurements of time-delays to estimate the relative locations of earthquakes and explosions. Delay-times estimated from signal correlations often ...

• Layering in shales controls microfracturing at the onset of primary migration in source rocks 

  Chauve, Thomas; Scholtes, Luc; Donzé, Frédéric-Victor; Mondol, Nazmul Haque; Renard, Francois (Peer reviewed; Journal article, 2020)

  The process of primary migration, which controls the transfer of hydrocarbons from source to reservoir rocks, necessitates the existence of fluid pathways in low permeability sedimentary formations. Primary migration starts ...

• A procedure for predicting the permanent rotation of monopiles in sand supporting offshore wind turbines 

  Page, Ana M.; Klinkvort, Rasmus Tofte; Bayton, Steven; Zhang, Youhu; Jostad, Hans Petter (Peer reviewed; Journal article, 2020)

  Foundations for Offshore Wind Turbines (OWTs) are designed following the limit state philosophy. One of the considered states is the Serviceability Limit State (SLS), which verifies that the permanent rotation of the ...

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