*A Review of Fracturing Technologies Utilized in Shale Gas Resources DOI: http://dx.doi.org/10.5772/intechopen.92366*

to be fractured in new directions. Reusing the existed fractures helps control the cost of re-fracturing. Therefore, another approach for re-fracturing is to add perforations between the existing fractures to create additional fracturing networks as shown in **Figure 4**.
