Cemented multi-stage sleeves improve fracture-stimulation efficiency

To economically develop unconventional resource plays, such as the Eagle Ford shale in South Texas, multiple, complex hydraulic fracturing stages must be executed in the horizontal section of the wellbore. Traditionally, a plug-and-perforate (P-n-P) process has been used. However, inherent difficulties in the process often limited completion cycle time and created barriers to economic delivery of the hydraulic fracturing treatment.

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