公开(公告)号：US10975284B2

公开(公告)日：2021-04-13

申请号：US16495391

申请日：2018-07-13

申请人： SouthWest Petroleum University

发明人： Xiaowei Cheng ,  Dan Long ,  Kaiyuan Mei ,  Kaiqiang Liu ,  Gaoyin Zhang ,  Dan Qin ,  Xianshu Gao ,  Jianzhou Jin ,  Zhaijun Wen ,  Yongjin Yu ,  Chunmei Zhang ,  Zaoyuan Li ,  Xingguo Zhang ,  Xiaoyang Guo

IPC分类号： C09K8/467 ,  C04B14/04 ,  C04B14/10 ,  C04B18/04 ,  C04B22/10 ,  C04B24/06 ,  C04B24/18 ,  C04B24/38 ,  C04B28/08 ,  E21B33/138 ,  C04B103/00

摘要： A well cementation working solution prepared from red mud, slag and waste drilling fluids. The working solution is prepared from the following components in parts by weight: 100 parts of waste drilling fluids, 50-100 parts of slag, 5-50 parts of red mud, 4-7 parts of a suspension stabilizer, 1-7 parts of an activating aid, 0.5-5 parts of an anti-pollution agent and 0.4-3.5 parts of a diluent. The waste drilling fluids are waste waterborne drilling fluids. The slag is blast furnace slag or vanadium-titanium slag. The suspension stabilizer is sodium bentonite, carboxymethyl cellulose or a mixture of sodium bentonite and carboxymethyl cellulose. The activating aid is sodium metasilicate nonahydrate, sodium carbonate or a mixture of sodium metasilicate nonahydrate and sodium carbonate. The anti-pollution agent is sodium salicylate, potassium citrate or a mixture of sodium salicylate and potassium citrate. The diluent is sodium lignin sulfonate.