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专利成果
additive composition suitable for viscosity reduction of oil-based drilling fluid, oil-based drilling fluid and use thereof
发布时间:2021-07-20
授权号:ZLEP 3287504 B1
授权日期:2018-07-06 00:00:00
申请号:EP 3287504 B1
发明作者:蒋官澄,彭双磊,贺垠博,贺垠博,邓正强,杨丽丽,刘凡,高德利,李新亮,史亚伟,王凯,王春蕾,马光长,赵利,屈刚
专利状态:专利授权
专利类型:发明专利
专利名称:additive composition suitable for viscosity reduction of oil-based drilling fluid, oil-based drilling fluid and use thereof