钻井液用两性聚合物降滤失剂SA  

INVESTIGATION ON SALTS TOLERANT AMPHOTERIC SA POLYMERS AS FLUID LOSS CONTROLLERS FOR DRILLING FLUID

作　　者：赵东滨 

机构地区：西南石油学院研究生部

出　　处：《油田化学》1998年第4期297-300,共4页Oilfield Chemistry

摘　　要：合成了一系列丙烯酰胺／二甲基二烯丙基氯化钠／丙烯磺酸钠三元共聚物，考察了此系列（ＳＡ系列）合成产物的抗卤胺钙性能，抑制性能，在淡水，盐水及高钙盐水基浆中的降滤失性能及所处理基浆的流变性能，研究结果表明，ＳＡ系列两性离子聚合物抗盐化抗钙，抑制性强，具有一定的降滤失性能，可用作钻井液降滤失剂。A series of specially synthesized amphoteric SA polymers, copolymers of acrylamide, dimethyldiallylammonium chloride and sodium propylenesulfonate with different value and degree of cationization, are evaluated in laboratory as filtrate loss reducers for drilling fluid. It is shown that these SA polymers are tolerant to sodium and calcium salts, have no negative influence upon the rheologic behavior of fresh water mud, are strongly inhibitory to shale and clay dispersion though their fitrate loss reducing capacity is medium. These properties in combination make SA polymers to be fairly good drilling fluid treating agents.

关 键 词：两性离子聚合物 降滤失剂 SA系列 钻井液 油田 

分 类 号：TE254.4[石油与天然气工程—油气井工程]