Table 5 Calculation results of rock debris bed thickness, drilling cost, and drilling cycle of well 1 and well 2 for four schemes in oilfield A.
From: Research and application of quantitative model for optimal well trajectory selection
Schemes | Well | Raw values | Normalized values | ||||
|---|---|---|---|---|---|---|---|
Thickness of rock debris bed (mm) | Drilling cycle (d) | Drilling cost ($) | Thickness of rock debris bed | Drilling cycle | Drilling cost | ||
1 | 1 | 25.88 | 18.5 | 3,493,876 | 1.00 | 0.61 | 0.89 |
2 | 0 | 23 | 1,854,686 | 0.00 | 0.75 | 0.47 | |
2 | 1 | 0 | 13 | 1,854,574 | 0.00 | 0.43 | 0.47 |
2 | 20 | 30.5 | 3,912,127 | 0.77 | 1.00 | 1.00 | |
3 | 1 | 0 | 14 | 2,531,512 | 0.00 | 0.46 | 0.65 |
2 | 0 | 24 | 2,531,522 | 0.00 | 0.79 | 0.65 | |
4 | 1 | 0 | 23 | 2,545,876 | 0.00 | 0.75 | 0.65 |
2 | 0 | 23 | 2,445,604 | 0.00 | 0.75 | 0.63 | |
