Petroleum Exploration and Development  2020, Vol. 47 Issue (4): 772-779    DOI: 10.11698/PED.2020.04.14
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Synchronous injection-production energy replenishment for a horizontal wellin an ultra-low permeability sandstone reservoir: A case study of Changqing oilfield in Ordos Basin, NW China
WANG Jing1,2, LIU Jungang1,2, LI Zhaoguo1,2, LI Hongchang1,2, ZHANG Jiaosheng1,2, LI Wenqing1,2, ZHANG Yuanli1,2, PING Yi1,2, YANG Huanying1,2, WANG Ping1,2
1. Exploration and Development Research Institute of PetroChina Changqing Oilfield Company, Xi’an 710018, China;
2. National Engineering Laboratory for Exploration and Development of Low-Permeability Oil & Gas Fields, Xi’an 710018, China
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