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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Effective porosity ： ウィキペディア英語版 Effective porosity The term effective porosity lacks a single or straightforward definition. Even some of the terms used in its mathematical description ("$V\_$” and “$V\_$”) have multiple definitions. However, it is most commonly considered to represent the porosity of a rock or sediment available to contribute to fluid flow through the rock or sediment, or often in terms of "flow to a borehole". Porosity that is not considered "effective porosity" includes water bound to clay particles (known as bound water) and isolated "vuggy" porosity (vugs not connected to other pores). The effective porosity is of great importance in considering the suitability of rocks or sediments as oil or gas reservoirs, or as aquifers. ==Background for multiple definitions== Figure 1 illustrates core and log derivations of porosity for a sandstone and infers (some) different definitions of effective porosity. The figure is discussed below going from left to right along the strip. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Effective porosity」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.