Table T18. Instantaneous shut in pressures for MDT_080 hydraulic fracture. (See table notes.)
| Cycle |
ISIP time (s) |
ISIP pressure (MPa) |
|---|---|---|
| 1 | 2075 | 34.82 |
| 2 | 2584 | 35.05 |
| 3 | 2994 | 35.13 |
| 4 | 3997 | 35.17 |
Notes: These values were chosen by plotting pressure versus linear time and determining the first break in slope after the cessation (shut in) of pumping. See "Dual packer hydraulic fracture test" for discussion. ISIP = instantaneous shut in pressure.
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