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Abstract
This article presents a new technology of abrasive water jet perforation assisting fracturing on Well Zheng 408-8, Bin Nan Production Plant, Shengli Oilfield. First, the balsting tool, with 9 nozzles, was lowered down to the payzone and perforated 90 tunnels with abrasive water jet after being moved upward 9 times. Then the fracture work was conducted and 18 m3 sands were squeezed into the formations. After that the well production reached 11.6 t/d liquid and 8.7 t/d oil, respectively, and this continued for 9 months. But before the job, nothing was produced from this well.
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ACKNOWLEDGMENTS
The work in this study was financially supported by the National Natural Science Foundation of China (No. 50774089) and the High-tech Research and Development Program of China (No.2007AA09Z315). The authors would like to thank the staff of Binnan Production Plant, Shengli Oil Field, for their assistance in the field operation.