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Перевод: porosity

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Тезаурус:

1. Although no porosity logs are available for the Z1 Carbonate of the Aabenraa-l, the porosity profile can be compared with the neutron log of rslev-1 (where no core was taken).
2. However, most of them are argillaceous and have limited porosity and permeability.
3. The carbonate mudstones, in contrast, are characterised almost exclusively by intercrystalline pores (Fig. 10) and in Aabenraa-l, the porosity and permeability of these sediments range from 12-;30% and 10-;100 mD, respectively (Fig. 9).
4. Porosity in the substrate, even in a layer not more than microns thick, may allow absorption of soil which forms a key for further deposition.
5. Nevertheless, in areas where a carbonate platform is developed, as in N.E. England and the southern North Sea, a similar model to that applied to Z2 and Z3 Carbonates presumably can be used, and it should be possible to make tentative predictions of porosity distribution from isopach maps (Fig. 4a).
6. These correlate almost exactly, suggesting that the porosity and permeability characteristics of the Z1 Carbonate are identical in both wells (Fig. 11).
7. Distribution of porosity is controlled either by a combination of depositional facies and diagenesis or by the occurrence of collapse breccias.
8. This exception can be explained by a strong, but short heating event, by which the coalification process preceded the loss of porosity in the reservoir rocks.
9. In general, secondary porosity may be of greater importance than primary porosity in the deeper prospects.
10. Here, indications for hydrothermal activity along Hercynian striking fractures were found, so that a strong but short heat supply may be assumed, leading to local coalification maxima but not to a significant loss of reservoir porosity.
11. It is also more suitable for casting because its melting point is lower and the tin reacts with gases dissolved in the molten alloy, preventing porosity.
12. The porosity and permeability of the vuggy packstones ranges from 15-;27% and 10-;20 mD, respectively, in Aabenraa-1 (Fig. 9).