一种钻井液用环保型抗盐耐温提切剂及其制备方法
本发明属于石油开采技术领域,具体涉及一种钻井液用环保型抗盐耐温提切剂及其制备方法。该提切剂由如下质量的组分组成:丙烯酸酯聚合物20‑30份、复合改性蒙脱土100‑120份、棕榈酸异丙酯3‑5份、水150‑200份;所述丙烯酸酯聚合物是由苯乙烯、甲基丙烯酸甲酯、丙烯酸十八酯、2‑丙烯酰胺‑2‑甲基丙磺酸与N‑乙烯基吡咯烷酮经聚合反应制得。本发明制得的提切剂具有良好的抗盐耐温性和优异的提切效果。
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