Research Article
Status Quo of a CO2-Assisted Steam-Flooding Pilot Test in China
Table 1
Statistical summary based on the information obtained from the cored wells [
7,
9].
| | Well G01 compared to its adjacent wells | | Oil layer | Initial oil saturation of adjacent well (%) | Oil saturation of cores (%) | Recovery factor (%) | | Adjacent well P7 | Adjacent well P8 | Average | G01 | | J3q22-1 | 76.5 | 78.7 | 77.6 | 55.7 | 28.22 | | J3q22-2 | 72.1 | 70.8 | 71.5 | 57.7 | 19.24 | | Well G02 compared to its adjacent wells | | Oil layer | Initial oil saturation of adjacent wells (%) | Oil saturation of cores (%) | Recovery factor (%) | | Adjacent well P7 | Adjacent well P8 | Average | G02 | | J3q22-1 | 76.5 | 78.7 | 77.6 | 29.9 | 61.47 | | J3q22-2 | 72.1 | 70.8 | 71.5 | 40.5 | 43.32 | | Well G03 compared to its adjacent wells | | Oil layer | Initial oil saturation of adjacent wells (%) | Oil saturation of cores (%) | Recovery factor (%) | | Adjacent well P7 | Adjacent well I | Average | G03 | | J3q22-1 | 76.5 | 76.1 | 76.3 | 40.6 | 46.79 | | J3q22-2 | 72.1 | 62.8 | 67.5 | 41.9 | 37.88 | | Total contrast between adjacent wells and cored wells | | Oil layer | Initial oil saturation of adjacent wells (%) | Oil saturation of cores (%) | Recovery factor (%) | | | Average | Average | | J3q22-1 | | | 77.2 | 42.1 | 45.49 | | J3q22-2 | | | 70.1 | 46.7 | 33.40 |
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