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Overpressure preventing quartz cementation? - A reply.

Stricker, S. and Jones, S. J. and Sathar, S. (2017) 'Overpressure preventing quartz cementation? - A reply.', Marine and petroleum geology., 79 . pp. 337-339.


Chemical compaction and the relative importance of the pressure dissolution and illite-mica induced dissolution (IMID) models have remained a contentious issue, as is the role played by stress in chemical compaction. This paper offers further support and evidence as discussed in Stricker et al. (2016b), focusing on the reservoir quality of the Triassic Skagerrak Formation sandstones in the high pressure high temperature (HPHT) Central Graben, North Sea. The reply discusses alterative reservoir quality interpretations and comments as raised by Maast (2016). A series of theoretical and experimental studies, as well as field based evidence is presented providing strong support to the important role of stress (e.g. vertical effective stress) during chemical compaction. The evidence leads to the conclusion that the process of chemical compaction is stress and temperature driven and significantly enhanced by clay minerals, playing a catalytic role by increasing the width of diffusion pathway or by modifying the kinetics of the dissolution process.

Item Type:Article
Keywords:Central North Sea, Diagenesis, Quartz cementation, Reservoir quality, Skagerrak Formation, Vertical effective stress.
Full text:(AM) Accepted Manuscript
Available under License - Creative Commons Attribution Non-commercial No Derivatives.
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Publisher statement:© 2016 This manuscript version is made available under the CC-BY-NC-ND 4.0 license
Date accepted:23 October 2016
Date deposited:21 February 2017
Date of first online publication:01 November 2016
Date first made open access:01 November 2017

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