$Laboratory studies of hydraulic fracturing by cyclic injection$

Laboratory studies of hydraulic fracturing by cyclic injection

We assess the possibility of decreasing the breakdown pressure of rock and increasing the damage around hydraulic fracture by using pre-breakdown cyclic injection during hydraulic fracturing under triaxial stress conditions. Unlike the monotonous increase in pressure used in conventional hydraulic f...

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Veröffentlicht in:	International journal of rock mechanics and mining sciences (Oxford, England : 1997) England : 1997), 2017-05, Vol.95, p.8-15
Hauptverfasser:	Patel, S.M., Sondergeld, C.H., Rai, C.S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic emission Acoustic events Acoustic microscopy Axial stress Breakdown Cyclic injection Damage Fatigue Fracture permeability Fractures Hydraulic fracturing Injection Peak pressure Permeability Pressure Rocks Sandstone Scanning electron microscopy Stress state
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