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| 2021, Vol. 40(3): 624-631 DOI: | ||
| Ｒesearch and application for viscosity reducing-plug removing-production increasing technology of weakly acidic surfactant in an unconsolidated sandy conglomerate reservoir | ||
| QU Xing-hua，ZHONG Shi-ming，HUANG Jun-ying，YANG Yu，QIAO Lei，TIAN Na-juan，QIU Yang | ||
| 1. Geology Institute of CNPC Bohai Drilling Engineering Company Limited，Ｒenqiu 062550，Hebei，China;
2. The Second Well Cementation Branch of CNPC Bohai Drilling Engineering Company Limited，Tianjin 300280，China;
3. Development Department of Huabei Oilfield，Ｒenqiu 062552，Hebei，China;
4. Technique Department of CNPC Bohai Drilling Engineering Company Limited，Tianjin 300450，China;
5. Gas Storage Management Department of Huabei Oilfield，Ｒenqiu 062552，Hebei，China;
6. Tianjin Branch of CNOOC，Tianjin 300452，China |
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| Received null Revised null | ||
| Supporting info | ||
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