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　　斯倫貝謝電纜式NMR測井儀器有三個天線和一個完全可編程的脈沖序列發(fā)生器，能進(jìn)行多種不同方式的測量。兩個152 mm天線用于高分辨率測量，提供總孔隙度、束縛流體孔隙度和自由流體孔隙度。高分辨率天線還可用來探測天然氣和輕烴，計(jì)算滲透率和孔隙大小分布。主天線長457 mm，有多個頻率，用于不同地層評價(jià)，提供多種NMR測量。每個頻率都對應(yīng)不同DOI(從井壁算起為38～102 mm)。主天線所提供的地層評價(jià)包括兩個高分辨率天線所提供的所有地層評價(jià)，還用于評價(jià)流體徑向剖面、流體體積和石油黏度。

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