A water-based drilling fluid containing Mn3O4 has been found to be effective in providing petroleum reservoirs with the ability to flow naturally and achieve a return permeability of 90% or greater without the need for acidizing treatments.
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机译：已发现含有Mn 3 O 4 的水基钻井液可有效地为石油储层提供自然流动的能力，并实现90％或更高的回油渗透率。无需酸化处理就可以达到更大的效果。
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