Twenty Five Years of Monitoring the Troll Gas and Oil Field with Time-Lapse Gravity and Seafloor Deformation Surveys

References

1. Agersborg, R., Hille, L.T., Lien, M., Lindgård, J.E., Ruiz, H. and Vatshelle, M. [2017]. Density changes and reservoir compaction from in-situ calibrated 4D gravity and subsidence measured at the seafloor. SPE Annual Technical Conference and Exhibition, Extended abstracts, PSE-187224-MS.
   [Google Scholar]
2. Alnes, H., Stenvold, T. and Eiken, O. [2010]. Experiences on seafloor gravimetric and subsidence monitoring above producing reservoirs. 72nd EAGE Annual Conference and Exhibition, Extended abstracts, L010.
   [Google Scholar]
3. Borges, F., Basford, H., Calder, T., Lien, M., Vassvåg, S.C and Ward, C. [2024]. Monitoring CO2 Storage in the Morecambe Depleted Gas Reservoirs through Seafloor Deformation and Time-Lapse Gravimetry Measurements. First Break, 42(3), 71–75.
   [Google Scholar]
4. Eiken, O., Stenvold, T., Zumberge, M., Alnes, H. and Sasagawa, G. [2008]. Gravimetric monitoring of gas production from the Troll field. Geophysics, 73(6), WA149–WA154.
   [Google Scholar]
5. Evensen, G. [2009]. Data Assimilation: The Ensemble Kalman Filter, 2nd Edition. Springer.
   [Google Scholar]
6. Ruiz, H., Lien, M., Vatshelle, M., Alnes, H., Haverl, M. and Sørensen, H. [2022]. Monitoring the Snøhvit gas field using seabed gravimetry and subsidence. First Break, 40(3), 93–96.
   [Google Scholar]
7. Sasagawa, G.S., Crawford, W., Eiken, O., Nooner, S., Stenvold, T. and Zumberge, M.A. [2003]. A new seafloor gravimeter. Geophysics, 68(2), 544–554.
   [Google Scholar]
8. Solbu, Ø.H., Nyvoll, A., Alnes, H., Vassvåg, S.C., Lien, M. and Ruiz, H. [2023]. Time-Lapse Gravity and Subsidence Applied in History Matching of a Gas-Condensate Field. First Break, 41(9), 69–74.
   [Google Scholar]