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DOI | 10.1029/2020GL087896 |
Quantifying Fluid‐Wettable Effective Pore Space in the Utica and Bakken Oil Shale Formations | |
Yuxiang Zhang; Qinhong Hu; Troy J. Barber; Markus Bleuel; Lawrence M. Anovitz; Kenneth Littrell | |
2020-06-20 | |
发表期刊 | Geophysical Research Letters |
出版年 | 2020 |
英文摘要 | Combined (ultra‐) small angle neutron scattering measurements [(U)SANS] and a contrast matching technique were employed to quantify the porosity and pore size distribution from 1 nm ‐ 10 μm and to differentiate accessible (open) pores and inaccessible (closed) pores with respect to organophilic and hydrophilic fluids for two Utica and two Bakken shale samples. The results indicate that around 40‐70% of the pores in the Utica oil shales (mixed carbonate mudstone) are accessible to oil, and 34‐37% of the pore surfaces are water‐wet. In contrast, the Bakken oil shales (mixed siliceous mudstone and carbonate/siliceous mudstone), which have high total organic carbon contents, have a higher proportion of isolated pore space that is not preferentially wet by oil or water, with less than 36% of the pores accessible to both fluids. In addition, for both formations, pores less than 3 nm in diameter are not oil‐accessible (organic matter‐related) but water‐accessible (clay tactoids‐related). |
领域 | 气候变化 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/276559 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Yuxiang Zhang,Qinhong Hu,Troy J. Barber,等. Quantifying Fluid‐Wettable Effective Pore Space in the Utica and Bakken Oil Shale Formations[J]. Geophysical Research Letters,2020. |
APA | Yuxiang Zhang,Qinhong Hu,Troy J. Barber,Markus Bleuel,Lawrence M. Anovitz,&Kenneth Littrell.(2020).Quantifying Fluid‐Wettable Effective Pore Space in the Utica and Bakken Oil Shale Formations.Geophysical Research Letters. |
MLA | Yuxiang Zhang,et al."Quantifying Fluid‐Wettable Effective Pore Space in the Utica and Bakken Oil Shale Formations".Geophysical Research Letters (2020). |
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