Effects of various parameters on hydraulic fracturing geometry
Journal Article
·
· SPEJ, Soc. Pet. Eng. J.; (United States)
Small-scale laboratory experiments are performed to study the effects of frictional characteristics on hydraulic fracture growth across unbonded interfaces in rocks. Various lubricants and mechanical preparations of the interface surfaces are used to vary the coefficients of friction on the interface surfaces. It is found that the frictional shear stress that the interface surface can support determines whether a hydraulically driven crack will cross the interface. Experiments also are being performed to study the effects of pre-existing cracks, which perpendicularly intersect the unbonded interface, on hydraulic crack growth across the interface. 17 refs.
- Research Organization:
- Lawrence Livermore Natl Lab, Calif, USA
- OSTI ID:
- 5211189
- Journal Information:
- SPEJ, Soc. Pet. Eng. J.; (United States), Journal Name: SPEJ, Soc. Pet. Eng. J.; (United States) Vol. 21:4; ISSN SSPJD
- Country of Publication:
- United States
- Language:
- English
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