This study examines post-sedimentation changes in sandstone reservoirs within Cretaceous deposits of the western part of the Gydan Peninsula. Using the method of stage analysis, structural-mineral associations formed under background burial catagenesis and superimposed fluid catagenesis were investigated. The focus is on the mechanisms of material redistribution that lead to changes in the reservoir-filtration properties of the rocks. The key processes contributing to secondary porosity formation include leaching and decompaction, driven by fluid activity. The obtained data can be used to predict the hydrocarbon potential of reservoirs and to identify optimal zones for development.
Karpova et al. (Wed,) studied this question.