Reservoir Evaluation and Development ›› 2020, Vol. 10 ›› Issue (1): 108-112.doi: 10.13809/j.cnki.cn32-1825/te.2020.01.017
• Conventional Oil and Gas • Previous Articles Next Articles
YAO Zhenjie,JIANG Shaojing,GAO Ruimin,WANG Wei,YANG Hong
Received:
2019-02-02
Online:
2020-02-26
Published:
2020-02-04
CLC Number:
YAO Zhenjie,JIANG Shaojing,GAO Ruimin,WANG Wei,YANG Hong. Field practices of air foam flooding in low temperature and low permeability reservoirs of Yanchang Oilfield[J].Reservoir Evaluation and Development, 2020, 10(1): 108-112.
Table 1
Variation of oxygen content of casing gas"
井号 | 测试时间 | 各组分含量/% | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
CH4 | C2H6 | C3H8 | i-C4H10 | n-C4H10 | i-C5H12 | n-C5H12 | C6+ | O2 | N2 | ||
T5-2 | 200806 | 29.80 | 9.80 | 11.10 | 1.590 | 4.52 | 0.80 | 0 | 0 | 1.90 | 40.58 |
201511 | 22.38 | 4.22 | 4.06 | 0.47 | 0.68 | 0.05 | 0.12 | 0 | 5.65 | 62.37 | |
T5-8 | 200806 | 60.20 | 11.25 | 13.30 | 1.58 | 4.70 | 0.84 | 1.11 | 0.30 | 1.67 | 5.09 |
201511 | 53.47 | 8.83 | 7.72 | 0.79 | 1.09 | 0.06 | 0.15 | 0 | 2.46 | 25.43 |
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