Model optimizes sandstone-conglomerate fracturing in China

Weiqiang Feng Sinopec Research Institute of Petroleum Engineering Beijing Qi Li Xi’an Shiyou University Shannxi, China Jian Wang Sinopec Shandong, China A stimulation model helped optimize hydraulic fracturing of a sandstone-conglomerate (glutenite) formation in the Bohan oil field in eastern China. The formation is difficult to fracture because it has low maturity and texture, strong heterogeneity and anisotropy, and various porosity types. Bonan field Bonan oil field is in the Jiyang depression of the onshore Bohai basin, Eastern China (Fig. 1). Discovered in May 2005 with wildcat well Y104, the reservoir has a 110-m thickness. After initial hydraulic fracturing, the well produced onl...

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