2021 40 (3):  624-631    ISSN: 1004-5589:  CN: 22-1111/P
 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
Received null  Revised null  Online 2021-08-25
Reference  null
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