Jonk, ReneVermaas, MarnixAl Aamri, BaderStephens, Tara L.2025-09-082025-09-05Jonk, R, Vermaas, M, Al Aamri, B & Stephens, T L 2025, 'High impedance mudstone associated with sand injection complexes : Significance for basin-scale fluid retention and escape', Basin Research, vol. 37, no. 5, e70058. https://doi.org/10.1111/bre.700580950-091XORCID: /0000-0003-1435-5198/work/191424069https://hdl.handle.net/2164/25937This work was performed as part of Bader Al-Aamri's M.Sc. project at the University of Aberdeen in 2022. We thank Andrew Hurst and Matt Brettle for their support in the project. We thank PGS for permission to show the seismic data in Figures 10 and 11. We thank Apache management and Harbour management for their support in publishing this work. We also thank the British Geological Survey for providing the subsampled core material, Loan Number: 286254, and the UKCS (offshore) hydrocarbon wells database for providing an open access portal to offshore core photographs. We thank Andrew Hurst, Nicholas Satur, and an anonymous reviewer for thoughtful reviews that helped improve the manuscript.146111345engacoustic impedancemudstonesoverpressuresand injectilesseismic attributesshale dewateringQE GeologySupplementary DataDASQEJournal article10.1111/bre.70058375