| 摘要 |
An aqueous drilling fluid dispersant and a method of drilling wells using said drilling fluid which contains a substituted dihydroxybenzene compound as the dispersant, namely, a substituted dihydroxybenzene compound selected from the group consisting of 2,5-dihydroxy-1,4-benzoquinone, 2,5-dihydroxy-3,6-dichloro-1,4-benzoquinone, 4,5-dihydroxy-1,2-benzoquinone, 4,5-dihydroxy-3,6-dichloro-1,2-benzoquinone and mixtures of said compounds.
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