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首页> 外文期刊>Mining Engineering >Justifying API bentonite rheological behavior through its forming size fractions
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Justifying API bentonite rheological behavior through its forming size fractions

机译：通过其形成尺寸分数证明API Bentonite流变行为证明

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Bentonite is one of the main players in the stability of drilling mud. Its particle size and particle size distribution significantly affect drilling mud's rheological properties. Although the Specifications for Drilling Fluids Materials report on Oil Companies Material Association (OCMA)-grade bentonite states that the API recommended powder having 2.5 percent mass fraction as the maximum value of residue of diameter greater than 75 mu m, there is no other information on the specific size distribution for API bentonite. It was found that API bentonite has a specific size distribution with specific mixing weights. It is important to investigate why that mixture represents the optimum properties of drilling mud and how each individual size fraction has a specific function in the mixture. To clarify the effect of individual size as well as the collective effect of the size distribution, API bentonite was classified into different size fractions, with each tested separately for controlling properties such as filtration loss, plastic viscosity, gel strength, cake thickness and packing density.
机译：膨润土是钻井泥稳定的主要球员之一。其粒径和粒度分布显着影响钻井泥的流变性质。虽然钻井液材料的规范材料石油公司材料协会（OCMA）-Grade Bentonite指出，API推荐粉末具有2.5％的质量分数，作为直径大于75亩的最大值，没有其他信息，没有其他信息API Bentonite的特定尺寸分布。发现API膨润土具有特定的尺寸分布，具有特定的混合重量。重要的是要研究为什么混合物代表钻井泥的最佳特性以及每个单独的尺寸馏分如何在混合物中具有特定功能。为了阐明单个尺寸的效果以及尺寸分布的集体效果，API膨润土分为不同尺寸的级分，分别测试，用于控制诸如过滤损失，塑料粘度，凝胶强度，蛋糕厚度和填料密度的特性。

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