Diagenesis of Reservoir Sandstones: A Comparison Between Reservoirs and Non-Reservoirs
A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Mineral Deposits".
Deadline for manuscript submissions: 31 October 2026 | Viewed by 971
Special Issue Editors
Interests: diagenesis; sedimentology; sediment petrography; petroleum geology; geology
Special Issues, Collections and Topics in MDPI journals
Interests: sedimentary petrography; provenance analysis; diagenesis; basin analysis; paleogeography
Interests: petroleum geology; petroleum exploration; sedimentary basins; structural geology; reservoir engineering
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
The theme of this Special Issue is the comparison of diagenesis and sedimentology between sandstone reservoirs (oil–gas and geothermal) and non-reservoirs. This involves comparing sandstones that have sufficient porosity and permeability—properties that would allow fluid flow and sufficient storage capacity—with those that have very low porosity and permeability. In fact, physical properties of rock and reservoir types are closely related to the characteristics of diagenetic minerals and their effects on reservoir quality. Moreover, the different chemical and mineralogical features of sediments can deeply influence the diagenetic processes, leading to the destruction of the reservoir porosity or prevention of intergranular pores. However, their effects are still debated.
This results in the following question: Which processes are responsible for reservoirs? Sedimentology or diagenesis? Sedimentology may create large, widespread, thick, and initially porous sandstone bodies, or amalgamated porous sandstone bodies with high hydraulic conductivity. Diagenesis, particularly during burial, modifies the initial properties, but it could be of low intensity. Low-intensity diagenesis means a low degree of compaction, the absence of chemical compaction, and/or a lack of cementation, which tends to infill intergranular pores. The absence of cementation may be caused by a lack of diagenetically susceptible components in the sediment, a lack of fluid flow—which supposedly is important for diagenesis—or a non-favourable physico-chemical environment. And what causes such low intensity diagenesis? And is diagenesis linked to the sedimentology?
Only when these issues are understood well that it might be possible to predict the occurrence of reservoir sandstone bodies in the subsurface.
Contributions to this Special Issue should focus on the above-mentioned issues. Examples can include, but are not limited to, the following: to try to relate diagenesis to the sedimentology; to compare the sedimentology and diagenesis of reservoirs and non-reservoirs in the same field or basin; or focus on single cases trying to interpret the causes of a tight or porous sandstone; or to interpret the causes of diagenesis in a particular basin.
Dr. Nicolaas Molenaar
Dr. Sara Criniti
Dr. Hu Li
Guest Editors
Manuscript Submission Information
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Keywords
- early and burial diagenesis
- relation between sedimentology and diagenesis
- reservoir quality
- causes of diagenesis
- diagenetic processes
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