高温降滤失剂SCUR的研制与应用  

HIGH TEMPERATURE FILTRATE LOSS REDECER SCURFOR DRILLING FLUIDS AND ITS FIELD USES

作　　者：李善祥[1] 晁兵[1] 安慎瑞 崔保全 

机构地区：[1]中科院山西煤炭化学研究所,七台河石油助剂厂,华北油田钻井三公司

出　　处：《油田化学》1995年第4期298-303,共6页Oilfield Chemistry

摘　　要：以风化煤为原料，通过活化与接枝合成等反应制备出高温降滤失剂ＳＣＵＲ──风化煤腐殖酸与碳酰胺衍生物的接枝聚合物。考察了风化煤来源及一些合成反应条件对产物抗温抗盐性能的影响。室内评阶与现场试验结果表明，ＳＵＣＲ是一种性能良好的抗温抗盐降滤失剂。The titled filtrate loss reducer SCUR is a commercially manufactured product of graft polymerization of humic acid from weathered coal with deivatives of carbamide.In this paper the synthesis is briefly introduced.The performance of SCUR in fresh and salt water muds trheologic characteristics and API filtrate loss before and after static thermal treatment,HTHP filtrate loss, cake quality) is extensively investigated as influenced by varying source.conmposition,chemical constitution, degree of activation (oxigative degradation)of the weathered coal used for synthesizing SCUR.The results of field tests and uses of SCUR in more than 70 wells in Huabei, Dagang, Daqing Oil Fields are presented briefly。

关 键 词：降滤失剂 钻井泥浆 助剂 

分 类 号：TE254.4[石油与天然气工程—油气井工程]