Research Article
Comparison of Crushed-Zone Skin Factor for Cased and Perforated Wells Calculated with and without including a Tip-Crushed Zone Effect
Table 1
The dimensions and the index properties of the sample.
| Dimensions and properties the sample | Values (units) |
| Sample height () | 30.48 cm | Sample radius () | 7.62 cm | Perforation tunnel radius () | 1.27 cm | Crushed zone radius () | 5.08 cm | Perforation length () | 25.4 cm | Permeability of crushed zone () | 6.218 × 10-12 m2 | Porosity of skin zone | 26% | Permeability of formation zone () | 2.625 × 10-11 m2 | Porosity of formation zone | 21% |
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