Characterization of the in-situ stress on the Horda platform – A study from the Northern Lights Eos well

•Novel summary of the more complex mechanical observations from the Eos CO2 well.•Complex well observations, forcing creative thinking and increased understanding.•In situ stress variation observations at well and regional level.•Mineralogical changes as a mechanism for in situ stress variation.•Regional observations of high interest regarding CCS industry development.