Jens Jahren

Image of Jens Jahren
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Phone +47 22856611
Room 123
Username
Visiting address Sem Sælands vei 1 Geologibygningen 0371 Oslo
Postal address Postboks 1047 Blindern 0316 Oslo

Academic Interests

Post depositional processes – sediment compaction and diagenesis

Teaching

Higher education and employment history

  • 2013 - present: Professor in Petroleum Geology, University of Oslo
  • 2003 - 2013: Associate professor in Petroleum Geology, University of Oslo
  • 1994 - 2003: Associate professor in Mineralogy, University of Oslo
  • 1991: PhD in Geology, University of Oslo

Projects

  • Trias North
  • Barents Sea Rock Properties (BarRock)

Cooperation

  • CO2SEAL – evaluation of the long-term sealing capabilities in the southern Norwegian sector of the North Sea for CO2 storage purposes
  • SUCCESS - Subsurface CO2 storage – Critical Elements and Superior Strategy
Tags: Geology, Sedimentology, Compaction, Diagenesis

Publications

Haile, Beyene G., Tore G. Klausen, Jens Jahren, Alvar Braathen, Helge Hellevang (2018) Thermal history of a Triassic sedimentary sequence verified by a multi‐method approach: Edgeøya, Svalbard, Norway. Basin Research, https://doi.org/10.1111/bre.12292

Haile, B.G., Czarniecka, U., Xi, K.-L., Smyrak-Sikora, A., Jahren, J., Braathen, A., Hellevang, H., (2018) Hydrothermally induced diagenesis: Evidence from shallow marine-deltaic sediments, Wilhelmøya, Svalbard, Geoscience Frontiers, https://doi.org/10.1016/j.gsf.2018.02.015

Haile, B. G., Klausen, T. G., Czarniecka, U., Xi, K., Jahren, J., and Hellevang, H. (2017). How are diagenesis and reservoir quality linked to depositional facies? A deltaic succession, Edgeøya, Svalbard. Marine and Petroleum Geology. https://doi.org/10.1016/j.marpetgeo.2017.11.019

Lorentzen, S., Augustsson, C., Nystuen, J. P., Berndt, J., Jahren, J., and Schovsbo, N. H. (2017). Provenance and sedimentary processes controlling the formation of lower Cambrian quartz arenite along the soutwestern margin of Baltica. Sedimentary Geology.  https://doi.org/10.1016/j.sedgeo.2017.08.008

Nygaard Hansen, H., Løvstad, K., Müller, R., and Jahren, J., (2017) Clay coating preserving high porosities in deeply buried intervals of the Stø Formation, Marine and Petroleum Geology, pp 648-658. https://doi.org/10.1016/j.marpetgeo.2017.09.011

Zadeh, Mohammad Koochak, Nazmul Haque Mondol, and Jens Jahren (2017). ”Velocity anisotropy of Upper Jurassic organic-rich shales, Norwegian Continental Shelf.” GEOPHYSICS, 82(2), C61-C75. https://doi.org/10.1190/geo2016-0035.1

Zadeh, M. K., Mondol, N. H., & Jahren, J. (2016). Compaction and rock properties of Mesozoic and Cenozoic mudstones and shales, northern North Sea. Marine and Petroleum Geology, 76, 344-361. https://doi.org/10.1016/j.marpetgeo.2016.05.024

Xi, K., Cao, Y., Haile, B.G., Zhu, R., Jahren, J., Bjørlykke, K., Zhang, X., Hellevang, H. (2016) How does the pore-throat size control the reservoir quality and oiliness of tight sandstones? The case of the Lower Cretaceous Quantou Formation in the southern Songliao Basin, China, Marine and Petroleum Geology 76, pp. 1-15 http://dx.doi.org/10.1016/j.marpetgeo.2016.05.001

Koochak Zadeh, M., Mondol, N.H., Jahren, J.  (2016) Experimental mechanical compaction of sands and sand–clay mixtures: a study to investigate evolution of rock properties with full control on mineralogy and rock texture. Geophysical Prospecting 64 (4), pp. 915-941 https://doi.org/10.1111/1365-2478.12399

Baig, I., Faleide, J.I., Jahren, J., Mondol, N.H. (2016) Cenozoic exhumation on the southwestern Barents Shelf: Estimates and uncertainties constrained from compaction and thermal maturity analyses. Marine and Petroleum Geology 73, pp. 105-130 https://doi.org/10.1016/j.marpetgeo.2016.02.024

Kalani, M., Jahren, J., Mondol, N.H., Faleide, J.I. (2015) Compaction processes and rock properties in uplifted clay dominated units- the Egersund Basin, Norwegian North Sea. Marine and Petroleum Geology 68, pp. 596-613 http://dx.doi.org/10.1016/j.marpetgeo.2014.08.015

Haile, B.G., Hellevang, H., Aagaard, P., Jahren, J. (2015) Experimental nucleation and growth of smectite and chlorite coatings on clean feldspar and quartz grain surfaces. Marine and Petroleum Geology 68, pp. 664-674 http://dx.doi.org/10.1016/j.marpetgeo.2015.02.006

Xi, K., Cao, Y., Jahren, J., Zhu, R., Bjørlykke, K., Haile, B.G., Zheng, L., and Hellevang, H. (2015) Diagenesis and reservoir quality of the Lower Cretaceous Quantou Formation tight sandstones in the southern Songliao Basin, China.  Sedimentary Geology, Volume 330, December 01, 2015, Pages 90-107 http://dx.doi.org/10.1016/j.sedgeo.2015.10.007

Xi, Kelai, Yingchang Cao, Jens Jahren,  Rukai Zhu,  Knut Bjørlykke,  Xiangxiang Zhang, Laixing Cai, Helge Hellevang (2015) Quartz cement and its origin in tight sandstone reservoirs of the Cretaceous Quantou formation in the southern Songliao basin, China, Marine and Petroleum Geology Volume 66, September 01, 2015, Pages 748-763, http://dx.doi.org/10.1016/j.marpetgeo.2015.07.017

Kalani, M., Jahren, J., Mondol, N.H., Faleide, J.I., (2015). Effect of diagenesis on pore pressures in fine-grained rocks in the Egersund Basin, the Central North Sea. NORWEGIAN JOURNAL OF GEOLOGY Vol 95 Nr. 2, 171-189. http://dx.doi.org/10.17850/njg95-2-03

Haile, B. G., Hellevang, H., Aagaard, P., & Jahren, J. (2015). Experimental nucleation and growth of smectite and chlorite coatings on clean feldspar and quartz grain surfaces. Marine and Petroleum Geology. doi:10.1016/j.marpetgeo.2015.02.006

Kalani, Mohsen, Jahren, Jens, Mondol, Nazmul Haque, Faleide,Jan Inge, (2015), Petrophysical implications of source rock microfracturing, International Journal of Coal Geology 43–67, http://dx.doi.org/10.1016/j.coal.2015.03.009

Kalani, Mohsen, Jens Jahren, Nazmul Haque Mondol and Jan Inge Faleide (2014) Compaction processes and rock properties in uplifted clay dominated unitse the Egersund Basin, Norwegian North Sea, Marine and Petroleum Geology (2014), http://dx.doi.org/10.1016/j.marpetgeo.2014.08.015

Hellevang, H., Aagaard, P., & Jahren, J. (2014). Will dawsonite form during CO2 storage?. Greenhouse Gases: Science and Technology, 4(2), 191-199.

Baig, Irfan; Aagaard, Per; Sassier, Caroline; Faleide, Jan Inge; Jahren, Jens; Gabrielsen, Roy H.; Fawad, Manzar; Nielsen, Lars Henrik; Kristensen, Lars & Bergmo, Per Eirik Strand (2013). Potential Triassic and Jurassic CO2 Storage Reservoirs in the Skagerrak-Kattegat Area. Energy Procedia. v 37, 5298–5306, ISSN 1876-6102

Bjørlykke, Knut and Jens Jahren; (2012) Open or closed geochemical systems during diagenesis in sedimentary basins. Constraints on mass transfer during diagenesis and the prediction of porosity in sandstone and carbonate reservoirs. AAPG Bulletin, December 2012, v. 96, p. 2193-2214

Maast, Tom Erik, Jahren, Jens and Bjørlykke, Knut (2011) Diagenetic controls on reservoir quality in Middle-Upper Jurassic sandstones in the South Viking Graben, North Sea  AAPG Bulletin, v. 95, no. 11, pp. 1937–1958

Thyberg, Brit and Jens Jahren (2011) Quartz cementation in mudstones: Sheet-like quartz cement from clay mineral reactions during burial. Petroleum Geoscience 2011; v. 17; p. 53-63, doi:10.1144/1354-079310-028

Fawad, M., Mondol, N. H., Jahren, J. & Bjørlykke, K., 2011, Compaction and seismic velocities measurements in sands with different textural and mineralogical compositions as functions of effective stress, Geophysical Prospecting, 2011, 59, 697–720, DOI: 10.1111/j.1365-2478.2011.00951.x.

Fawad, M., Mondol, N.H., Jahren, J. & Bjørlykke, K., (2010), Experimental mechanical compaction to measure the influence of pore pressure on compressional wave velocity in unconsolidated sands, First Break vol 28, no. 10, 53-59.

Croizé, Delphine, François Renard, Jens Jahren and Knut Bjørlykke, 2010 Experimental mechanical and chemical compaction of carbonate sand Croizé, D., K. Bjørlykke, J. Jahren, and F. Renard (2010), Experimental mechanical and chemical compaction of carbonate sand, J. Geophys. Res., 115, B11204, doi:10.1029/2010JB007697.

Marcussen, Øyvind, Jan Inge Faleide, Jens Jahren & Knut Bjørlykke (2010) Mudstone compaction curves in basin modelling: a study of Mesozoic and Cenozoic Sediments in the northern North Sea. Basin Research, vol 22, no 3, pp 324-340 (doi:10.1111/j.1365-2117.2009.00430.x)

Schomacker, E. R., Kjemperud, A. V., Nystuen, J. P., and Jahren, J. S. (2010) Recognition and significance of sharp-based mouth bar deposits in the Eocene Green River Formation, Uinta Basin, Utah, Sedimentology, 57, 1069–1087 (DOI: 10.1111/j.1365-3091.2009.01136.x)

Bjørlykke, Knut, Jens Jahren, Per Aagaard and Quentin Fisher; (2010) Role of effective permeability distribution in estimating overpressure using basin modelling. Marine and Petroleum Geology vol 27, no 9, pp 1684-1691 (doi:10.1016/j.marpetgeo.2010.05.003)

Croizé, Delphine, Stephen N. Ehrenberg, Knut Bjørlykke, François Renard and Jens Jahren (2010) Petrophysical properties of bioclastic platform carbonates: implications for porosity controls during burial,  Marine and Petroleum Geology vol 27, no 9, pp 1765-1774 (doi:10.1016/j.marpetgeo.2009.11.008)

Marcussen, Øyvind, Tom Erik Maast, Nazmul H. Mondol, Jens Jahren and Knut Bjørlykke (2010) Changes in physical properties of a reservoir sandstone as a function of burial depth – the Etive Formation, northern North Sea. Marine and Petroleum Geology,  vol 27, no 9, pp 1725-1735 (doi:10.1016/j.marpetgeo.2009.11.007)

Thyberg, Brit, Jahren, Jens, Winje, Turid, Faleide, Jan Inge, Marcussen, Øyvind, and Bjørlykke, Knut (2010) Quartz cementation in Late Cretaceous mudstones, northern North Sea: Changes in rock properties due to dissolution of smectite and precipitation of micro-quartz crystals. Marine and Petroleum Geology vol 27, no 9, pp 1752-1764 (doi:10.1016/j.marpetgeo.2009.07.005)

Fawad, Manzar, Nazmul Haque Mondol, Jens Jahren and Knut Bjørlykke (2010) Microfabric quantification of experimentally compressed silt-clay mixtures using image analysis method, Marine and Petroleum Geology, vol 27, no 9, pp 1698-1712 (doi:10.1016/j.marpetgeo.2009.10.002)

  • Rahman, Md Jamilur; Fawad, Manzar; Jahren, Jens & Mondol, Nazmul Haque (2022). Top seal assessment of Drake Formation shales for CO2 storage in the Horda Platform area, offshore Norway. International Journal of Greenhouse Gas Control. ISSN 1750-5836. 119. doi: https%3A/doi.org/10.1016/j.ijggc.2022.103700.
  • Ma, Pengjie; Lin, Chengyan; Ren, Lihua; Jahren, Jens Sigurd; Dong, Daotao & Yu, Guoding [Show all 10 contributors for this article] (2021). Linkage and growth of the independent and coherent faults: Insight into the effect of relay ramps on sedimentation patterns in the northern Bonan Sag, Bohai Bay Basin. Marine and Petroleum Geology. ISSN 0264-8172. 127. doi: 10.1016/j.marpetgeo.2021.104985.
  • Løvstad, Kristoffer; Hansen, Henrik Nygaard & Jahren, Jens Sigurd (2021). The porosity preserving effect of basin wide illitic coating in deeply buried sandstone intervals of the lower Jurassic Stø Formation, Barents Sea. Marine and Petroleum Geology. ISSN 0264-8172. 137. doi: 10.1016/j.marpetgeo.2021.105498. Full text in Research Archive
  • Hansen, Henrik Nygaard; Løvstad, Kristoffer; Lageat, Gildas; Clerc, Sylvain & Jahren, Jens Sigurd (2021). Chlorite coating patterns and reservoir quality in deep marine depositional systems – Example from the Cretaceous Agat Formation, northern North Sea Norway. Basin Research. ISSN 0950-091X. 33(5), p. 2725–2744. doi: 10.1111/bre.12581. Full text in Research Archive
  • Hellevang, Helge; Line, Lina Hedvig; Eide, Christian Haug; Jahren, Jens Sigurd & Haile, Beyene Girma (2021). Insights into past tectonism from authigenic quartz. Geochemical Perspectives Letters. ISSN 2410-339X. 19, p. 27–31. doi: 10.7185/geochemlet.2130. Full text in Research Archive
  • Ma, Pengije; Lin, Chengyan; Jahren, Jens; Dong, Chunmei; Ren, Lihua & Hellevang, Helge (2021). Cyclic zoning in authigenic saddle dolomite-ankerite: Indications of a complex interplay between fault-rupturing and diagenetic alteration. Chemical Geology. ISSN 0009-2541. 559. doi: 10.1016/j.chemgeo.2020.119831.
  • Haile, Beyene Girma; Line, Lina Hedvig; Klausen, Tore Grane; Olaussen, Snorre; Eide, Christian Haug & Jahren, Jens [Show all 7 contributors for this article] (2020). Quartz overgrowth textures and fluid inclusion thermometry evidence for basin-scale sedimentary recycling: An example from the Mesozoic Barents Sea Basin. Basin Research. ISSN 0950-091X. doi: 10.1111/bre.12531. Full text in Research Archive
  • Line, Lina Hedvig; Müller, Reidar; Klausen, Tore Grane; Jahren, Jens & Hellevang, Helge (2020). Distinct petrographic responses to basin reorganization across the Triassic–Jurassic boundary in the southwestern Barents Sea. Basin Research. ISSN 0950-091X. 32(6), p. 1463–1484. doi: 10.1111/bre.12437. Full text in Research Archive
  • Lorentzen, Sanne; Braut, Tonje Irene; Augustsson, Carita; Nystuen, Johan Petter; Jahren, Jens & Schovsbo, Niels H. (2020). Provenance of lower Cambrian quartz arenite on southwestern Baltica: weathering versus recycling. Journal of Sedimentary Research. ISSN 1527-1404. 90(5), p. 493–512. doi: 10.2110/JSR.2020.20.
  • Ogebule, Oluwakemi Yetunde; Jahren, Jens & Mondol, Nazmul Haque (2020). Compaction, rock physics and rock properties of sandstones of the Stø Formation: Case study of five wells from the south-western Barents Sea, Norway. Marine and Petroleum Geology. ISSN 0264-8172. 119. doi: 10.1016/j.marpetgeo.2020.104448. Full text in Research Archive
  • Hansen, Jørgen André; Mondol, Nazmul Haque; Jahren, Jens & Tsikalas, Filippos (2020). Reservoir assessment of Middle Jurassic sandstone-dominated formations in the Egersund Basin and Ling Depression, eastern Central North Sea. Marine and Petroleum Geology. ISSN 0264-8172. 111, p. 529–543. doi: 10.1016/j.marpetgeo.2019.08.044. Full text in Research Archive
  • Narongsirikul, Sirikarn; Mondol, Nazmul Haque & Jahren, Jens (2019). Effects of stress reduction on geomechanical and acoustic relationship of overconsolidated sands. Geophysical Prospecting. ISSN 0016-8025. doi: 10.1111/1365-2478.12902. Full text in Research Archive
  • Zhang, Shaomin; Cao, Yingchang; Liu, Keyu; Jahren, Jens; Xi, Kelai & Zhu, Rukai [Show all 9 contributors for this article] (2019). Characterization of lacustrine mixed fine-grained sedimentary rocks using coupled chemostratigraphic-petrographic analysis: A case study from a tight oil reservoir in the Jimusar Sag, Junggar Basin. Marine and Petroleum Geology. ISSN 0264-8172. 99, p. 453–472. doi: 10.1016/j.marpetgeo.2018.10.039.
  • Fawad, Manzar; Mondol, MD Nazmul Haque; Baig, Irfan & Jahren, Jens (2019). Diagenetic related flat spots within the paleogene sotbakken group in the vicinity of the senja ridge, barents sea. Petroleum Geoscience. ISSN 1354-0793. 26(3), p. 373–385. doi: 10.1144/petgeo2018-122. Full text in Research Archive
  • Narongsirikul, Sirikarn; Mondol, Nazmul Haque & Jahren, Jens (2019). Acoustic and petrophysical properties of mechanically compacted overconsolidated sands: part 1 – experimental results. Geophysical Prospecting. ISSN 0016-8025. 67(4), p. 804–824. doi: 10.1111/1365-2478.12744. Full text in Research Archive
  • Khan Niazi, Ali Mustafa; Jahren, Jens; Mahmood, Irfan & Javaid, Haris (2019). Reservoir quality in the Jurassic sandstone reservoirs located in the Central Graben, North Sea. Marine and Petroleum Geology. ISSN 0264-8172. 102, p. 439–454. doi: 10.1016/j.marpetgeo.2019.01.001.
  • Baig, Irfan; Faleide, Jan Inge; Mondol, Nazmul Haque & Jahren, Jens (2019). Burial and exhumation history controls on shale compaction and thermal maturity along the Norwegian North Sea basin margin areas. Marine and Petroleum Geology. ISSN 0264-8172. 104, p. 61–85. doi: 10.1016/j.marpetgeo.2019.03.010. Full text in Research Archive
  • Lorentzen, Sanne; Augustsson, Carita; Jahren, Jens; Nystuen, Johan Petter & Schovsbo, Niels H. (2019). Tectonic, sedimentary and diagenetic controls on sediment maturity of lower Cambrian quartz arenite from southwestern Baltica. Basin Research. ISSN 0950-091X. 31(6), p. 1098–1120. doi: 10.1111/bre.12359.
  • Narongsirikul, Sirikarn; Mondol, Nazmul Haque & Jahren, Jens (2019). Acoustic and petrophysical properties of mechanically compacted overconsolidated sands: Part 2 – Rock physics modelling and applications . Geophysical Prospecting. ISSN 0016-8025. 67(1), p. 114–127. doi: 10.1111/1365-2478.12692.
  • Haile, Beyene Girma; Czarniecka, Urszula; Xi, Kelai; Smyrak-Sikora, Aleksandra; Jahren, Jens & Braathen, Alvar [Show all 7 contributors for this article] (2019). Hydrothermally induced diagenesis: Evidence from shallow marine-deltaic sediments, Wilhelmøya, Svalbard. Geoscience Frontiers. ISSN 1674-9871. 10(2), p. 629–649. doi: 10.1016/j.gsf.2018.02.015. Full text in Research Archive
  • Narongsirikul, Sirikarn; Mondol, Nazmul Haque & Jahren, Jens (2018). Acoustic and petrophysical properties of mechanically compacted overconsolidated sands: Part 2 - Rock physics modelling and applications. Geophysical Prospecting. ISSN 0016-8025. 67, p. 114–127. doi: 10.1111/1365-2478.12692.
  • Zhang, Shaomin; Cao, Yingchang; Jahren, Jens; Zhu, Rukai; Mao, Zhiguo & Kelai, XI [Show all 8 contributors for this article] (2018). Pore Characteristics of the Fine-Grained Tight Reservoirs in the Yabulai Basin, Northwestern China. Acta Geologica Sinica. ISSN 1000-9515. 92(3), p. 1170–1192. doi: 10.1111/1755-6724.13598.
  • Xi, Kelai; Cao, Yingchang; Liu, Keyu; Jahren, Jens; Zhu, Rukai & Yuan, Guanghui [Show all 7 contributors for this article] (2018). Authigenic minerals related to wettability and their impacts on oil accumulation in tight sandstone reservoirs: An example from the Lower Cretaceous Quantou Formation in the southern Songliao Basin, China. Journal of Asian Earth Sciences. ISSN 1367-9120. doi: 10.1016/j.jseaes.2018.04.025.
  • Line, Lina Hedvig; Jahren, Jens & Hellevang, Helge (2018). Mechanical compaction in chlorite-coated sandstone reservoirs - Examples from Middle - Late Triassic channels in the southwestern Barents Sea. Marine and Petroleum Geology. ISSN 0264-8172. 96, p. 348–370. doi: 10.1016/j.marpetgeo.2018.05.025. Full text in Research Archive
  • Haile, Beyene Girma; Klausen, Tore Grane; Jahren, Jens; Braathen, Alvar & Hellevang, Helge (2018). Thermal history of a Triassic sedimentary sequence verified by a multi-method approach: Edgeøya, Svalbard, Norway. Basin Research. ISSN 0950-091X. 30(6), p. 1075–1097. doi: 10.1111/bre.12292.
  • Haile, Beyene Girma; Klausen, Tore Grane; Czarniecka, Urszula; Xi, Kelai; Jahren, Jens & Hellevang, Helge (2018). How are diagenesis and reservoir quality linked to depositional facies? A deltaic succession, Edgeøya, Svalbard. Marine and Petroleum Geology. ISSN 0264-8172. 92, p. 519–546. doi: 10.1016/j.marpetgeo.2017.11.019.
  • Lorentzen, Sanne; Augustsson, Carita; Nystuen, Johan Petter; Berndt, Jasper; Jahren, Jens & Schovsbo, Niels H. (2018). Provenance and sedimentary processes controlling the formation of lower Cambrian quartz arenite along the southwestern margin of Baltica. Sedimentary Geology. ISSN 0037-0738. 375, p. 203–217. doi: 10.1016/j.sedgeo.2017.08.008.
  • Hansen, Henrik Nygaard; Løvstad, Kristoffer; Muller, Reidar & Jahren, Jens (2017). Clay coating preserving high porosities in deeply buried intervals of the Stø Formation. Marine and Petroleum Geology. ISSN 0264-8172. 88, p. 648–658. doi: 10.1016/j.marpetgeo.2017.09.011. Full text in Research Archive
  • Koochak Zadeh, Mohammad; Mondol, Nazmul Haque & Jahren, Jens (2017). Velocity anisotropy of upper jurassic organic-rich shales, Norwegian continental shelf. Geophysics. ISSN 0016-8033. 82(2), p. C61–C75. doi: 10.1190/GEO2016-0035.1. Full text in Research Archive
  • Xi, Kelai; Cao, Yingchang; Haile, Beyene Girma; Zhu, Rukai; Jahren, Jens & Bjørlykke, Knut [Show all 8 contributors for this article] (2016). How does the pore-throat size control the reservoir quality and oiliness of tight sandstones? The case of the Lower Cretaceous Quantou Formation in the southern Songliao Basin, China. Marine and Petroleum Geology. ISSN 0264-8172. 76, p. 1–15. doi: 10.1016/j.marpetgeo.2016.05.001.
  • Koochak Zadeh, Mohammad; Mondol, Nazmul Haque & Jahren, Jens (2016). Experimental mechanical compaction of sands and sand–clay mixtures: a study to investigate evolution of rock properties with full control on mineralogy and rock texture. Geophysical Prospecting. ISSN 0016-8025. 64(4), p. 915–941. doi: 10.1111/1365-2478.12399.
  • Koochak Zadeh, Mohammad; Mondol, Nazmul Haque & Jahren, Jens (2016). Compaction and rock properties of Mesozoic and Cenozoic mudstones and shales, northern North Sea. Marine and Petroleum Geology. ISSN 0264-8172. 76, p. 344–361. doi: 10.1016/j.marpetgeo.2016.05.024.
  • Baig, Irfan; Faleide, Jan Inge; Jahren, Jens & Mondol, Nazmul Haque (2016). Cenozoic exhumation on the southwestern Barents Shelf: Estimates and uncertainties constrained from compaction and thermal maturity analyses. Marine and Petroleum Geology. ISSN 0264-8172. 73, p. 105–130. doi: 10.1016/j.marpetgeo.2016.02.024.
  • Xi, Kelai; Cao, Y; Jahren, Jens; Zhu, R; Bjørlykke, Knut & Zhang, X [Show all 8 contributors for this article] (2015). Quartz cement and its origin in tight sandstone reservoirs of the Cretaceous Quantou formation in the southern Songliao basin, China. Marine and Petroleum Geology. ISSN 0264-8172. 66(4), p. 748–763. doi: 10.1016/j.marpetgeo.2015.07.017.
  • Xi, Kelai; Cao, Y; Jahren, Jens; Zhu, R; Bjørlykke, Knut & Haile, Beyene Girma [Show all 8 contributors for this article] (2015). Diagenesis and reservoir quality of the Lower Cretaceous Quantou Formation tight sandstones in the southern Songliao Basin, China. Sedimentary Geology. ISSN 0037-0738. 330, p. 90–107. doi: 10.1016/j.sedgeo.2015.10.007.
  • Kalani, Mohsen; Koochak Zadeh, Mohammad; Jahren, Jens; Mondol, Nazmul Haque & Faleide, Jan Inge (2015). Effect of diagenesis on pore pressures in fine-grained rocks in the Egersund Basin, Central North Sea. Norsk Geologisk Tidsskrift. ISSN 0029-196X. 95(2), p. 171–189. doi: 10.17850/njg95-2-03. Full text in Research Archive
  • Haile, Beyene Girma; Hellevang, Helge; Aagaard, Per & Jahren, Jens (2015). Experimental nucleation and growth of smectite and chlorite coatings on clean feldspar and quartz grain surfaces. Marine and Petroleum Geology. ISSN 0264-8172. 68(Part A), p. 664–674. doi: 10.1016/j.marpetgeo.2015.02.006.
  • Kalani, Mohsen; Jahren, Jens; Mondol, Nazmul Haque & Faleide, Jan Inge (2015). Petrophysical implications of source rock microfracturing. International Journal of Coal Geology. ISSN 0166-5162. 143(1), p. 43–67. doi: 10.1016/j.coal.2015.03.009.
  • Kalani, Mohsen; Jahren, Jens; Mondol, Nazmul Haque & Faleide, Jan Inge (2015). Compaction processes and rock properties in uplifted clay dominated units, - The Egersund Basin, Norwegian North Sea. Marine and Petroleum Geology. ISSN 0264-8172. 68, p. 596–613. doi: 10.1016/j.marpetgeo.2014.08.015.
  • Jahren, Jens; Koochak Zadeh, Mohammad & Mondol, Nazmul Haque (2014). Experimental Mechanical Compaction of Sand-Clay Mixtures: Implication of Experimental Data to Validate Applicability of Friable Sand Model. SEG technical program expanded abstracts. ISSN 1949-4645. p. 3035–3039. doi: 10.1190/segam2014-1519.1.
  • Hellevang, Helge; Aagaard, Per & Jahren, Jens (2014). Will dawsonite form during CO2 storage? Greenhouse Gases: Science and Technology. ISSN 2152-3878. 4(2), p. 191–199. doi: 10.1002/ghg.1378.
  • Narongsirikul, Sirikarn; Mondol, Nazmul Haque & Jahren, Jens (2013). Possible application of friable sand model for shallow mechanically compacted overconsolidated sands. In SEG, . (Eds.), SEG Technical Program Expanded Abstracts 2013. SEGEAB. ISSN 1052-3812. p. 2701–2706. doi: 10.1190/segam2013-1303.1.
  • Baig, Irfan; Aagaard, Per; Sassier, Caroline; Faleide, Jan Inge; Jahren, Jens & Gabrielsen, Roy H. [Show all 10 contributors for this article] (2013). Potential Triassic and Jurassic CO2 Storage Reservoirs in the Skagerrak-Kattegat Area. Energy Procedia. ISSN 1876-6102. 37, p. 5298–5306. doi: 10.1016/j.egypro.2013.06.447. Full text in Research Archive
  • Bjørlykke, Knut & Jahren, Jens (2012). Open or closed geochemical systems during diagenesis in sedimentary basins: Constraints on mass transfer during diagenesis and the prediction of porosity in sandstone and carbonate reservoirs. American Association of Petroleum Geologists Bulletin. ISSN 0149-1423. 96(12), p. 2193–2214. doi: 10.1306/04301211139.
  • Mondol, Nazmul Haque; Jahren, Jens; Berre, Toralv; Grande, Lars & Bjørlykke, Knut (2011). Permeability Anisotropy in Synthetic Mudstones − An Experimental Study. In EAGE, 2011 (Eds.), 73rd EAGE Conference & Exhibition Incorporating SPE EUROPEC 2011. European Association of Geoscientists and Engineers (EAGE). ISSN 978-90-73834-12-5. doi: 10.1144/1354-079308-773.
  • Thyberg, Brit Inger & Jahren, Jens (2011). Quartz cementation in mudstones: Sheet-like quartz cement from clay mineral reactions during burial. Petroleum Geoscience. ISSN 1354-0793. 17(1), p. 53–63. doi: 10.1144/1354-079310-028.

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  • Haile, Beyene Girma; Line, Lina Hedvig; Klausen, Tore Grane; Olaussen, Snorre; Eide, Christian Haug & Jahren, Jens [Show all 7 contributors for this article] (2021). Identifying and constraining sedimentary recycling from microscopic fluid inclusions in quartz overgrowth.
  • Lorentzen, Sanne; Augustsson, Carita; Nystuen, Johan Petter; Jahren, Jens & Schovsbo, Niels H. (2018). Quartz cementation and diagenetic effects in sandstone – an analog study of Cambrian quartz arenite from Scandinavia.
  • Line, Lina Hedvig; Jahren, Jens & Hellevang, Helge (2017). Diagenesis and Reservoir quality of Anisian and Carnian channels in the southwestern Barents Sea.
  • Line, Lina Hedvig & Jahren, Jens (2017). Reservoir quality of Anisian and Carnian channels on the southwestern Barents Shelf.
  • Line, Lina Hedvig; Jahren, Jens & Hellevang, Helge (2017). Diagenesis and Reservoir Quality of Anisian and Carnian channels in the southwestern Barents Sea.
  • Haile, Beyene Girma; Klausen, Tore Grane; Czarniecka, Urszula; Xi, Kelai; Jahren, Jens & Braathen, Alvar [Show all 7 contributors for this article] (2017). Diagenesis of Upper Triassic sandstones, Edgeøya, Svalbard.
  • Bjørlykke, Knut; Jahren, Jens; Mondol, Nazmul Haque; Hellevang, Helge & Aagaard, Per (2017). Mechanical compaction of sand and clay: Constraints from experimental compaction, chemical reactions and fluid flow during burial-An overview.
  • Jabbar, Abdul & Jahren, Jens (2017). Reservoir Quality of Lower-Middle Jurassic sandstones within the Johan Castberg Field in the SW Barents Sea.
  • Line, Lina Hedvig; Jahren, Jens & Hellevang, Helge (2017). Reservoir characterization of Triassic sandstones in the southwestern Barents Sea.
  • Hansen, Henrik Nygaard; Løvstad, Kristoffer; Jahren, Jens & Muller, Reidar (2017). Stø Formation Reservoir Properties in Wells 7220/12-2, 7220/2-3S, 7120/6-1 and 7121/5-1 from the Hammerfest Basin, Southwestern Barents Sea.
  • Haile, Beyene Girma; Jahren, Jens & Hellevang, Helge (2017). New insights about thermally driven diagenetic changes due to the emplacement of magmatic sills into reservoir sediments at Wilhelmøya (Svalbard): Implications for reservoir quality.
  • Lorentzen, Sanne; Augustsson, Carita; Berndt, Jasper; Nystuen, Johan Petter; Jahren, Jens & Schovsbo, Niels H. (2017). Provenance and sedimentary processes controlling the formation of Lower Cambrian quartz arenite on Baltica .
  • Baig, Irfan; Faleide, Jan Inge; Hjelstuen, Berit Oline Blihovde; Sejrup, Hans Petter; Nystuen, Johan Petter & Aagaard, Per [Show all 8 contributors for this article] (2017). Seismic mapping of Quaternary sediment distribution in the central and northern North Sea.
  • Baig, Irfan; Faleide, Jan Inge; Jahren, Jens & Mondol, Nazmul Haque (2017). Burial and exhumation history controls on shale compaction and thermal maturity along the Norwegian North Sea margin.
  • Line, Lina Hedvig & Jahren, Jens (2016). Reservoir characterization of Middle – Upper Triassic Kobbe and Snadd Formations in the southwestern Barents Sea.
  • Line, Lina Hedvig & Jahren, Jens (2016). Reservoir quality of Middle – Late Triassic sandstones in the southwestern Barents Sea: How can we predict distribution of high reservoir quality at a sub-seismic scale?
  • Lorentzen, Sanne; Augustsson, Carita; Jahren, Jens; Nystuen, Johan Petter; Berndt, Jasper & Schovsbo, Niels H. (2016). Transportation and diagenetic controls in the formation of Lower Cambrian quartz arenite on Baltica.
  • Lorentzen, Sanne; Augustsson, Carita; Jahren, Jens; Nystuen, Johan Petter & Schovsbo, Niels H. (2016). Quartz cementation and diagenetic controls in sandstone – an analog study of Cambrian quartz arenite from Baltica.
  • Lorentzen, Sanne; Augustsson, Carita; Berndt, Jasper; Jahren, Jens; Nystuen, Johan Petter & Schovsbo, Niels H. (2016). Transportation controls in the formation of Lower Cambrian quartz arenite on Baltica.
  • Line, Lina Hedvig & Jahren, Jens (2016). Reservoir characterization of Middle – Upper Triassic Kobbe and Snadd Formations in the southwestern Barents Sea. The role of chlorite coating.
  • Haile, Beyene Girma; Klausen, Tore Grane; Hellevang, Helge; Jahren, Jens & Bjørlykke, Knut (2016). Burial diagenesis of De Geerdalen Formation control by depositional facies distribution, Edgeøya, Svalbard.
  • Zadeh, Mohammad Koochak; Mondol, Nazmul Haque & Jahren, Jens (2015). Velocity-porosity Evolution of Mechanically Compacted Brine-saturated Sand-clay Mixtures.
  • Ogebule, Oluwakemi Yetunde; Mondol, Nazmul Haque & Jahren, Jens (2015). Seal Integrity of Late Jurassic to Early Cretaceous Mudrocks of the South-Western Barents Sea Area.
  • Zadeh, Mohammad Koochak; Ogebule, Oluwakemi Yetunde; Mondol, Nazmul Haque; Jahren, Jens & Faleide, Jan Inge (2015). A laboratory study to investigate velocity anisotropy of an oaganic-rich shale, Central North Sea, Offshore Norway.
  • Lorentzen, Sanne; Augustsson, Carita; Jahren, Jens & Nystuen, Johan Petter (2015). Quartz cementation and diagenetic controls in sandstone – an analog study of Cambrian quartz arenite, Mjøsa District, Norway.
  • Faleide, Jan Inge; Kalani, Mohsen; Sassier, Caroline; Angeli, Matthieu; Ogebule, Oluwakemi Yetunde & Baig, Irfan [Show all 15 contributors for this article] (2015). Caprock research in the CO2Seal project.
  • Haile, Beyene Girma; Xi, Kelai; Jahren, Jens; Aagaard, Per; Bjørlykke, Knut & Hellevang, Helge (2015). Burial Diagenesis in Triassic Sandstones: key to understand reservior quality evolution.
  • Haile, Beyene Girma; Xi, Kelai; Jahren, Jens; Aagaard, Per; Bjørlykke, Knut & Hellevang, Helge (2015). Burial diagenesis in Triassic siliciclastic reservoirs of the Barents Sea region.
  • Lorentzen, S.; Augustsson, C.; Jahren, Jens & Nystuen, Johan Petter (2015). Quartz cementation and diagenetic Controls in sandstone - an analogue study of Cambrian quartz arenite, Mjøsa District, Norway.
  • Lorentzen, Sanne; Harstad, Andreas Olaus & Jahren, Jens (2014). The effect of porosity preserving processes – Reservoir characteristics of the deeply buried Middle Jurassic Garn Formation sandstone, the Halten Terrace .
  • Zadeh, M.K.; Mondol, Nazmul Haque & Jahren, Jens (2014). Compaction and rock properties properties of Cenozoic mudstones in the Quadrant 15, offshore Norway. EarthDoc.
  • Narongsirikul, Sirikarn; Mondol, Nazmul Haque & Jahren, Jens (2014). Anisotropy of unconsolidated sands and its relation to induced stress response. EarthDoc.
  • Ogebule, Oluwakemi Yetunde; Mondol, Nazmul Haque & Jahren, Jens (2014). Cementation, mineralogical, fluid and textural influence on petrophysical and acoustic properties of Stø reservoir sands. EarthDoc.
  • Baig, Irfan; Faleide, Jan Inge; Mondol, Nazmul Haque & Jahren, Jens (2014). Uplift/erosion estimates and uncertainties on the Norwegian Barents Shelf.
  • Baig, Irfan; Faleide, Jan Inge; Mondol, Nazmul Haque & Jahren, Jens (2014). Effects of Late Cenozoic uplift and erosion on the petroleum system and reservoir properties in the Hammerfest Basin, Barents Sea.
  • Hellevang, Helge; Jahren, Jens; Haile, Beyene Girma & Aagaard, Per (2013). On the kinetics of digenetic reactions – Diffusion /transport limitations on the K-feldspar to illite conversion during burial diagenesis.
  • Jahren, Jens; Haile, Beyene Girma; Hellevang, Helge & Kjemperud, Audun (2013). Formation of potentially porosity preserving grain coats in Brent and Dunlin age sandstones from the Northeastern North Sea area-A combined petrographic and hydrothermal synthesis study of samples from the Gjøa and Agat areas.
  • Jahren, Jens; Haile, Beyene Girma; Hellevang, Helge; Bjørlykke, Knut & Ohm, Sverre Ekrene (2013). Fracture Patterns in Organic Rich Mudstones - Implications for Primary Petroleum Migration. EarthDoc. doi: 10.3997/2214-4609.20130098.
  • Ogebule, Oluwakemi Yetunde; Jahren, Jens & Mondol, Nazmul Haque (2013). Relationship between compaction, textural variation, cementation and intergranular rock volume in sandstones of the SW Barents Sea.
  • Narongsirikul, Sirikaran; Mondol, Nazmul Haque & Jahren, Jens (2013). Experimental insight into uplift effects on seismic velocities and petrophysical properties of sandstones: Implication for the Barents Sea area.
  • Zadeh, M. K.; Mondol, Nazmul Haque & Jahren, Jens (2013). Compaction and rock properties evaluation in southern Viking Graben.
  • Kalani, Mohsen; Jahren, Jens; Mondol, Nazmul Haque & Faleide, Jan Inge (2013). Compaction and rock propertiies of Upper Jurassic-Lower Cretaceous mudrocks, Egersund Basin, northern North Sea.
  • Narongsirikul, Sirikarn; Mondol, Nazmul Haque & Jahren, Jens (2013). Acoustic, electric and petrophysical properties of mechanically compacted sands of varying mineralogy-simulating the effects of uplift on rock properties. International Workshop on Rock Physics.
  • Narongsirikul, Sirikarn; Mondol, Nazmul Haque & Jahren, Jens (2013). Depletion-induced Reservoir Compaction in Shallow Overconsolidated Reservoir. EarthDoc.
  • Baig, Irfan; Faleide, Jan Inge; Mondol, Nazmul Haque & Jahren, Jens (2013). Late Cenozoic erosion estimates on the Norwegian Barents Shelf from measured/modeled thermal maturity and sonic/seismic velocity data.
  • Baig, Irfan; Aagaard, Per; Fawad, Manzar; Sassier, Caroline; Faleide, Jan Inge & Jahren, Jens [Show all 10 contributors for this article] (2013). Reservoir Characterization of Potential Triassic and Jurassic Reservoirs for CO2 Storage in the Skagerrak-Kattegat Area.
  • Baig, Irfan; Faleide, Jan Inge; Mondol, Nazmul Haque & Jahren, Jens (2012). Effects of Uplift and Erosion on Shale Compaction and Exhumation Estimates in the SW Barents Sea. GeoShale 2012.
  • Ndingwan, Abel Onana; Mondol, Nazmul Haque & Jahren, Jens (2012). Impact of mechanical and chemical compaction, and tectonic uplift on acoustic properties of Barents Sea shales. EarthDoc.
  • Baig, Irfan; Aagaard, Per; Sassier, Caroline; Faleide, Jan Inge; Jahren, Jens & Gabrielsen, Roy H. [Show all 10 contributors for this article] (2012). Potential Triassic and Jurassic CO2 storage reservoirs in the Skagerrak-Kattegat area.
  • Baig, Irfan; Aagaard, Per; Fawad, Manzar; Sassier, Caroline; Faleide, Jan Inge & Jahren, Jens [Show all 9 contributors for this article] (2012). Potential Triassic and Jurassic CO2 storage reservoirs in the Skagerrak area.
  • Mondol, Nazmul Haque; Jahren, Jens; Berre, Toralv; Grande, Lars & Bjørlykke, Knut (2011). Permeability Anisotropy in Synthetic Mudstones - An Experimental Study. (Five page extended abstract).
  • Mondol, Nazmul Haque; Fawad, Manzar; Jahren, Jens; Avseth, Per Åge & Bjørlykke, Knut (2011). Vs prediction in unconsolidated sands - Implications about shape, size, sorting and mineralogy of sand grains,
  • Hellevang, Helge; Thyberg, Brit Inger & Jahren, Jens (2011). Albite precipitation in mudstones – comparison of natural and synthetic systems.
  • Haile, Beyene Girma; Hellevang, Helge & Jahren, Jens (2018). Reservoir quality of the Upper Triassic to Lower Jurassic sediments, NW Barents Shelf. Understanding porosity evolution through diagenesis and sedimentology. Universitetet i Oslo. ISSN 1501-7710.

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Published Dec. 10, 2013 7:55 PM - Last modified Oct. 16, 2018 12:02 PM