Mechanisms of Crack Initiation and Propagation in Dense Linear Multihole Directional Hydraulic Fracturing

Figure 1

Principle and technology of directional hydraulic fracturing controlled by dense linear multihole drilling. (a) Traditional principle of directional hydraulic fracturing. (b) Principle of directional hydraulic fracturing controlled by dense linear multihole drilling. (c) Technology of directional hydraulic fracturing controlled by dense linear multihole drilling.

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