降滤失剂SCUR复合体系抑制页岩分散的探讨

Study on the Shale Dispersivity Inhibition of Filtrate Reducer SCUR by Some Mixed Types

关键词:  页岩分散 抑制作用 降滤失剂 泥浆性能

Key words:  shale dispersion,dispersivity inhibition,filtrate reducer,performance of mud,

摘要:

采用页岩分散性试验，人造岩心浸泡及针入度试验考察了ＳＣＵＲ复合体系对页岩分散的抑制能力，并对其泥浆主要参数、泥饼质量等进行了评价。结果 表明，ＳＣＵＲ－ＳＡＳ（１：１），ＳＣＵＲ－ＦＴ＿（３４２）（１：０．４），ＳＣＵＲ－ＫＡＨＭ（１：０．６）组成的复合体系对页岩水化分散有较强的抑制作用。复合体系对流变性及降滤失无不良影响，泥饼致密光滑，渗透性小，具有良好的应用前景。

Abstract:

Shale dispersivity test,artificial core soaking and penetration tests are made to study the shale dispersivity inhibitory ability of the filtration reducer SCUR mixtures,together with the chieve parameters of mud performance and quality of the filter cake