Research Article
Mathematical Modeling Applied to Drilling Engineering: An Application of Bourgoyne and Young ROP Model to a Presalt Case Study
Table 7
Current authors’ proposed values, 2015.
| | Parameter | Normalization factor | Lower boundary | Upper boundary |
| | 60 [rpm] | — | — | | 11,200 [ft] | — | — | | 9.00 [ppg] | — | — | | 4.00 [k-lbf/in] | — | — | | 1,000 [lbf] | — | — | | — | 0.5 | 3.91 | | — | 0.000001 | 0.004791 | | — | 0.000001 | 0.658851 | | — | 0.000001 | 0.000864 | | — | 0.102882 | 2.0 | | — | 0.4 | 2.23 | | — | 0.025 | 2.587306 | | — | 0.3 | 1.080511 |
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