发明名称 SHALE-STABILIZING ADDITIVES
摘要 <p>A shale-stabilizing additive is described based on a molecular structure having general formula (I) comprising a polyol containing at least one nitrogen atom, preferably derived from a diamine. The additive can be used for water-based drilling fluid (WBM) to facilitate the drilling process through shales, particularly in environmentally sensitive areas.</p>
申请公布号 WO1999009109(A1) 申请公布日期 1999.02.25
申请号 GB1998002377 申请日期 1998.08.06
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