Research Article
Cyclic Injection to Enhance Hydraulic Fracturing Efficiency: Insights from Laboratory Experiments
Table 2
Some average results for the first batch of sandstone.
| Parameter | Conventional injection | Cyclic injection |
| Averaged breakdown pressure (MPa) | 43.03 | 34.90 | Standard deviation of the breakdown pressure (MPa) | 3.74 | 5.23 | Averaged uniaxial compressive strength (MPa) (all 7 specimens) | 160.49 | Averaged Brazilian tensile strength (MPa) (all 7 specimens) | 9.67 |
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