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Validity of the porosity/effective-stress concept in sedimentary basin modelling
- Source: First Break, Volume 12, Issue 6, Jun 1994,
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- 01 Jun 1994
Abstract
When modelling sedimentary basins, the aim is to simulate the geometric deformations caused by compaction during geological time by coupling them with fluid flows (water and hydrocarbons). Compaction of sediment is the result of various mechanisms that are not yet well understood. In actual basins it is analysed almost exclusively through field measurements of the porosity, the only 'strain' parameter which can be measured. The standard approach to simulating compaction in basin modelling is to couple a porosity/depth or a porosity/effective-stress relationship with a fluid flow law in porous media (Darcy's law).
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