Research Article
Laboratory Study on Core Fracturing Simulations for Wellbore Strengthening
Table 8
Results of the core fracturing experiment for several different conditions of oil-based drilling fluid and water-based drilling fluid.
| | Number | Formula | Fracture pressure (MPa) | FLAPI (mL) |
| | 1 | Water-based base drilling fluid | 18.99 | 5.8 | | 2 | Oil-based base drilling fluid | 12.32 | 4.4 | | 3 | Water-based base drilling fluid + 10% B (calcium carbonate) | 23.56 | 4 | | 4 | Oil-based base drilling fluid + 10% B (calcium carbonate) | 12.54 | 4 | | 5 | Water-based base drilling fluid + 10% B (polyester) | 25.66 | 5 | | 6 | Oil-based base drilling fluid + 10% B (polyester) | 17.5 | 3.8 | | 7 | Water-based base drilling fluid + barite | 26.55 | 4.8 | | 8 | Oil-based base drilling fluid + barite | 22.45 | 3.4 |
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