Synchronous injection-production energy replenishment for a horizontal well in an ultra-low permeability sandstone reservoir: A case study of Changqing oilfield in Ordos Basin, NW China
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Synchronous injection-production energy replenishment for a horizontal well in an ultra-low permeability sandstone reservoir: A case study of Changqing oilfield in Ordos Basin, NW China |
| WANG Jing,LIU Jungang,LI Zhaoguo,LI Hongchang,ZHANG Jiaosheng,LI Wenqing,ZHANG Yuanli,PING Yi,YANG Huanying,WANG Ping |
| Fig. 3. Formation pressure distribution at the end of 2 years of water injection development by the 5-point horizontal well pattern and simultaneous injection-production. |
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