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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
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WANG Jing,LIU Jungang,LI Zhaoguo,LI Hongchang,ZHANG Jiaosheng,LI Wenqing,ZHANG Yuanli,PING Yi,YANG Huanying,WANG Ping
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Table 1 Micro-seismic monitoring data of volume fracturing in Well A239-24.
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Perforation
Type | Total volume/m3 | Total sand volume/m3 | Artificial fracture geometry from micro-seismic interpretation/m | Strike of artificial
fracture | | Fracture length in west wing | Fracture length in east wing | Network width | Fracture height | | Primary perforation | 682 | 64.0 | 168 | 180 | 85 | 54 | NE 84° | | Perforating adding | 761 | 36.6 | 168 | 142 | 64 | 42 | NE 82° |
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