超细碳酸钙粒度测定方法研究—液体密度计法  

Study on superfine calcium carbonate granulometry: a sedimentation analysis using a hydrometer

作　　者：黄林基[1] 罗兴树[1] 

机构地区：[1]西南石油学院

出　　处：《钻井液与完井液》1996年第4期31-34,共4页Drilling Fluid & Completion Fluid

摘　　要：建立了定量测定超细CaCO_3粒度分布简便易行的标准方法,即使用ST-01型沉降粒度计的液体密度计法。讨论了沉降分析的原理、公式来源和影响因素。测定了14个典型样品,最大平行差不超过2％。分析结果与英国MALVERN和法国CILAS激光粒度计的结果一致。沉降分析的精密度和准确度均符合要求,操作简便易行。此仪器还可用来测定重晶石中小于6μm颗粒的含量,分析结果与API标准等效。A simple and convenient standard method has been introduced for the quantitative determination of the distribution of particle size in surperfine calcium carbonate. Fourteen typical samples arc measured with ST-01 sedimentation analyzer, the maximum parallel deviation is less than 2%. Analysis results are consistent with what determined by English Malvern and France CILAS laser particle size analyzer. The content of particle size smaller than 6μm in 4 barite samples is determined by API standard method . and maximum parallel deviation is less than 0. 1%.Ana-lytical results are equal to API standard.

关 键 词：碳酸钙 超细 粒度分析 钻井液 测定 

分 类 号：TE254.1[石油与天然气工程—油气井工程]