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Scott, J.D.

The possibility of well communication by hydraulic fracturing has been studied through the use of laboratory experiments. The experiments were conducted on 610 × 584 × 305ram gypstone blocks. True triaxial stresses were applied to the specimens. A fracture fluid was injected simultaneously into two injection wells at a high injection rate. The angle (~) between the well line and the direction of ahma~ (the orientation of fracture propagation for single well hydraulic fracturing) was chosen as the controlling variable. The experimental results showed that for a low stress difference (al/~ around 1.5), well communication was obtained for fl up to 60 °, but the orientation of fracture initiation was unpredictable by...
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