Combining the application of shale brick in a project, authors introduce something about shale brick, such as performance, characteristics and construction quality control measures.
结合页岩砖在某工程中的应用，介绍了页岩砖的性能、特点和施工质量控制措施。
A byproduct of wood-pulp waste and sulfite paper manufacturing that is used as an organic drilling-mud additive for fluid-loss control, as a thinner, and for shale inhibition.
木纸浆废料和亚硫酸盐制纸时的副产品。木质素磺酸盐用作钻井泥浆的有机添加剂，如降滤失剂、稀释剂以及页岩抑制剂。
Its main effect is inhibiting clay shale hydration expansion, improve the quality of mud cake, protecting reservoir, also has the very good control effect of collapse.
它的主要作用是抑制泥页岩水化膨胀，改善泥饼质量，保护油层，同时也具有很好的防塌效果。
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