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首頁> 外文會議>XIVth International Conference on Computational Methods in Water Resources (CMWR XIV), Jun 23-28, 2002, Delft, The Netherlands >Effects of various heterogeneity patterns on capillary pressure-saturation-relative permeability relationships for two-phase flow in porous media
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Effects of various heterogeneity patterns on capillary pressure-saturation-relative permeability relationships for two-phase flow in porous media

機譯：多孔介質(zhì)中兩相流不同非均質(zhì)性模式對毛細管壓力-飽和度-相對滲透率關(guān)系的影響

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摘要

Numerical simulations to investigate the effects of micro-heterogeneities on capillary pressure (P~c)-saturation (S)-relative permeability (K_r) relationships for two-phase flow in porous media have been carried out in this work. Fourteen combinations of sand types and heterogeneous patterns have been defined. The domains size is chosen so that it represents typical laboratory samples used in the measurements of P~c-S-K_r curves. Upscaled capillary pressure-saturation-relative permeability (P~c-S-K_r) relationships have been obtained and compared in order to determine the relative significance of the heterogeneity patterns. As a test of validity of the derived curves, they are also fitted to well-known formulae for P~c-S-K_r relationships.
機譯：這項工作進行了數(shù)值模擬，以研究微非均質(zhì)性對多孔介質(zhì)中兩相流動的毛細管壓力（P?c）-飽和度（S）-相對滲透率（K_r）關(guān)系的影響。已經(jīng)定義了十四種砂類型和非均質(zhì)模式的組合。選擇域的大小，使其代表用于測量P?c-S-K_r曲線的典型實驗室樣本。已經(jīng)獲得并比較了上比例的毛細管壓力-飽和度-相對滲透率（P?c-S-K_r）關(guān)系，以確定異質(zhì)性模式的相對重要性。為了驗證所導(dǎo)出曲線的有效性，它們也適用于P?c-S-K_r關(guān)系的眾所周知的公式。

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