| | Influence factor | Symbol | Converted logical value |
| | Steam injection volume | x1 | (1, 2, 3, 4) | | Steam injection pressure | x2 | (5, 6, 7, 8) | | Steam injection temperature | x3 | (9, 10, 11, 12) | | Steam injection dryness | x4 | (13, 14, 15, 16) | | Round of CSS | x5 | (17, 18, 19, 20) | | Cycle of CSS | x6 | (21, 22, 23, 24) | | Crude oil viscosity | x7 | (25, 26, 27, 28) | | Soaking time | x8 | (29, 30, 31, 32) | | Oil well opening times | x9 | (33, 34, 35, 36) | | Oil saturation | x10 | (37, 38, 39, 40) | | Permeability | x11 | (41, 42, 43, 44) | | Porosity | x12 | (45, 46, 47, 48) | | Reservoir temperature | x13 | (49, 50, 51, 52) | | Reservoir pressure | x14 | (53, 54, 55, 56) | | Reservoir thickness | x15 | (57, 58, 59, 60) | | Production | Q | (101, 102, 103, 104) |
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