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Geofluids
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2021
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Article
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Tab 5
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Research Article
Experimental and Numerical Investigation on Hydraulic Fracture Propagation Law of Composite Rock Materials considering the Disturbing Stress Effect
Table 5
Experimental scheme for hydraulic fracturing of composite rock materials.
Test name
Confining pressure (MPa)
In situ stress coefficient
Bedding plane cementation strength (MPa)
The injection rate of fracturing fluid (m
-3
/min)
1-1 (indoor test)
6
4.5
3
0.5
0.28
0.0005
1-2 (simulation test)
6
3
0.5
0.28
0.0005