3Brannon H D,Kendrick D E,Luckey E.Multi-stage fracturing of horizontal wells using ninety-five quality foam provides improved shale gas productionSPE,2009.
5CIPOLLA C L,WARPINSKI N R,MAYERHOFER M J,et al.The relationship between fracture complexity,reservoir properities,and fracture-treatment designSPE Annual Technical Conference and Exhibition,2008.