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--- et_stenille [19/06/2023 10:01] – mike_gss
+++ et_stenille [19/06/2023 12:07] (current) – mike_gss
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-==== The Stenlille Project - a model for CCUS projects in the Danish North Sea ====
+==== The Stenlille Structure - a model for CCUS projects in the Danish North Sea ====
+{{:stenlille06.jpg?nolink |}}
+//Seismic survey acquisition: vibrating trucks,land streamer and wireless stations (Papadopoulou et. al  2022).//
 Denmark is one of the world leaders in the Energy Transition with current focus on CCUS (Carbon Capture, Utilization and Storage).
-Hydrocarbons have been extracted from beneath the Danish sector of the North Sea for decades, but earlier this year (2023), for the first time in the southern North Sea, captured CO2 was pumped back into a depleted Danish oil field; Nini West. ([[https://www.projectgreensand.com/en|Project Greensand]]).
+Hydrocarbons have been extracted from beneath the Danish sector of the North Sea for decades, but earlier this year (2023), for the first time in the southern North Sea, captured CO2 was pumped back into a depleted Danish oil field; Nini West. (see [[https://www.projectgreensand.com/en|Project Greensand]]).
 Onshore Denmark, natural gas has been successfully and safely stored for around 30 years in the Stenlille structure on Sjælland, and now similar structures across Denmark are being investigated with respect to potential CO2 storage.
-{{:stenlille06.jpg?nolink |}}
-//Seismic survey acquisition: vibrating trucks,land streamer and wireless stations.//
 Due to years of hydrocarbon exploitation, the stratigraphic architecture of mature oil and gas fields in the Danish North Sea is well known. However, Onshore Denmark, relatively few deep wells have been drilled and most were not cored, so the deep stratigraphy is not so well known.
-**Palynological Biostratigrahy of the Reservoir of the Stenlille Structure**
+----
+**The Stenlille Structure**
 On the Stenlille structure, the Upper Triassic sandstone dominated Gassum Formation is the primary reservoir for natural gas storage. The uppermost Triassic to Lower Jurassic Fjerritslev Formation (mudstone) is the primary seal. The Lower Cretaceous Vedsted and Rødby Formations comprise the secondary seal and are often below seismic resolution.
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 //The Stenlille storage complex showing primary and secondary reservoirs and seals.//
-Using core, sidewall core and ditch cuttings samples from the Gassum and Fjerritslev formations from 20 wells over the Stenlille structure, Lindström et al. (in review) have established a new high-resolution biostratigraphic zonation for the reservoir and primary seal using spores, pollen and dinoflagellate cysts which is integrated with the sequence stratigraphic framework and will be an important tool for dating future wells in other potential gas storage sites (see Gregersen et al. 2023 [[https://doi.org/10.22008/gpub/34661|External Link]]).
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+**Palynological Biostratigrahy of the Reservoir of the Stenlille Structure**
+Using core, sidewall core and ditch cuttings samples from the Gassum and Fjerritslev formations from 20 wells over the Stenlille structure, Lindström et al. (in review) have established a new high-resolution biostratigraphic zonation for the reservoir and primary seal using spores, pollen and dinoflagellate cysts which is integrated with the sequence stratigraphic framework and will be an important tool for dating future wells in other potential gas storage sites (see Gregersen et al. 2023 [[https://doi.org/10.22008/gpub/34661|External Link]]).
 {{:stenlille01.jpg?nolink |}}