Geofluids / 2019 / Article / Tab 2

Research Article

Experimental Investigation on Propagation Behavior of Hydraulic Fractures in Coal Seam during Refracturing

Table 2

Parameters used during refracturing simulation experiments in coal.

Specimen numberIn situ stress (initial fracturing)In situ stress (refracturing)Injection rate (mL/min)Fluid viscosity (mPa·s)
, , (MPa), , (MPa)

115, 12, 1015, 10, 12201
215, 12, 1015, 12, 10201
315, 12, 1015, 12, 10301
415, 12, 815, 8, 12201
515, 12, 815, 12, 8201
615, 12, 815, 12, 8301
715, 12, 615, 6, 12201
815, 12, 615, 12, 6201
915, 12, 415, 4, 12201
1015, 12, 415, 12, 4201

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