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| conditions of the experiment | specific values |
|---|---|
| rock type | T1/T2: dolomite; M1/M2: limy dolomite; W1/W2: limestone; G1/G2: steel plate |
| stimulation type | propped hydraulic fracturing, acid fracturing, and acid fracturing plus proppant |
| pressure of closure | 6.9–55.2 MPa |
| particle size of proppant | 40/70 mesh and 70/140 mesh |
| proppant concentration | 5 kg/m2 |
| media for testing | nitrogen |
