Artikel
Quantitative analysis method of oil occurrences in tight reservoir
Combining NMR, high-speed centrifugal experiment, high pressure mercury injection and physical simulation experiment technologies, a new quantitative analysis method of oil occurrences in tight reservoir is put forward and applied to two tight oil blocks. Research shows that percentage of free oil is low (about 18%) in tight reservoir, while adsorbed oil is high (about 43%). There is a positive correlation between percentage of free oil and permeability; Free oil in reservoirs greater than 0.1mD are approximately 26% and 35% in block A and B respectively, while in reservoirs less than 0.1mD are only about 12% and 17%. Free oil content controlled by micron-throats is low (only about 4% and 5% in block A and B respectively). Free oil is mainly controlled by Nano-throats. The amount of adsorbed oil on surface of larger pore-throats is the same as amount in small pore-throat in block A reservoir, while adsorbed oil in block B mainly occurs in small pore-throats. Amount of adsorbed oil on surface of larger pore-throat in block A reservoir greater than 0.1mD is lower than reservoir less than 0.1mD, while occurrence law of adsorbed oil in small pore-throat is opposite.
- Language
-
Englisch
- Bibliographic citation
-
Journal: Energy Reports ; ISSN: 2352-4847 ; Volume: 6 ; Year: 2020 ; Pages: 1067-1072 ; Amsterdam: Elsevier
- Classification
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Wirtschaft
- Subject
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Adsorbed oil
Free oil
High speed centrifugation
NMR
Quantitative analysis
Tight reservoir
- Event
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Geistige Schöpfung
- (who)
-
Li, Haibo
Liu, Xiangui
Yang, Zhengming
Guo, Hekun
Zeng, Qingqiao
Meng, Lixin
Qin, Feixiang
- Event
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Veröffentlichung
- (who)
-
Elsevier
- (where)
-
Amsterdam
- (when)
-
2020
- DOI
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doi:10.1016/j.egyr.2020.04.005
- Handle
- Last update
-
10.03.2025, 11:44 AM CET
Data provider
ZBW - Deutsche Zentralbibliothek für Wirtschaftswissenschaften - Leibniz-Informationszentrum Wirtschaft. If you have any questions about the object, please contact the data provider.
Object type
- Artikel
Associated
- Li, Haibo
- Liu, Xiangui
- Yang, Zhengming
- Guo, Hekun
- Zeng, Qingqiao
- Meng, Lixin
- Qin, Feixiang
- Elsevier
Time of origin
- 2020
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