液体磺化沥青用于深井重泥浆,依靠其自身“多级分散”胶粒,大大改善了泥饼的质量,提高了泥饼的润滑性,为高压差重泥浆井防粘卡创出了新途径本文试图从室内试验及现场具体应用效果和作用机理分析,评价液体磺化沥青的优良特性 Liquid sulfonated asphalt is used in deep well heavy mud, relying on its own “multi-stage dispersed” rubber particles, which greatly improves the quality of mud cake and improves the lubricity of mud cake, creating a new anti-sticking card for high pressure differential heavy mud wells Pathway This article attempts to analyze and evaluate the excellent properties of liquid sulfonated asphalts from laboratory experiments and on-site specific application effects and mechanism of action