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在俄罗斯的厚段泥页岩层段 ,使用了新的钻井泥浆体系来稳定粘土 ,通过使用聚乙二醇硅酸钾体系取得了优良的钻井性能
In thick mud shale intervals in Russia, a new drilling mud system was used to stabilize the clay and achieved excellent drilling performance by using the polyethylene glycol potassium silicate system