The use of artificial barriers placed at the top and bottom of the producing zones before fracture stimulating a formation can control excessive fracture height growth. The reason for such barrier placement is to contain the fracture treatment within the producing zone when the stress barriers above or below the zone cannot contain height growth. Two case studies are included in this paper on wells fractured in the Richfield formation in the Northern Michigan Basin and in the Codell and Sussex formations in the Denver-Julesburg Basin.

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