Table 4 Calculation of drill string stress 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 | Evaluation coefficient | ||||
|---|---|---|---|---|---|---|---|---|
Maximum torque (N-m) | Maximum slide force(lbf/length) | Maximum effective tension (kN) | Maximum torque | Maximum slide force | Maximum effective tension | |||
1 | 1 | 18,344.10 | 3071 | -181.9 | 0.86 | 0.99 | 2.91 | 1.59 |
2 | 3500 | 0 | -62.5 | 0.16 | 0.00 | 1.00 | 0.39 | |
2 | 1 | 3500 | 0 | -62.5 | 0.16 | 0.00 | 1.00 | 0.39 |
2 | 21305.4 | 3094 | -247.4 | 1.00 | 1.00 | 3.96 | 1.99 | |
3 | 1 | 10,505 | 2160 | -62.5 | 0.49 | 0.70 | 1.00 | 0.73 |
2 | 10,282 | 2329 | -62.5 | 0.48 | 0.75 | 1.00 | 0.75 | |
4 | 1 | 3500 | 0 | -62.5 | 0.16 | 0.00 | 1.00 | 0.39 |
2 | 3500 | 0 | -62.5 | 0.16 | 0.00 | 1.00 | 0.39 | |
