授权号：US10889742B1

授权日期：2021-01-12 00:00:00

申请号：US10889742B1

发明作者：蒋官澄,贺垠博,杨丽丽,王凯,董腾飞,全晓虎,崔凯潇,史赫

专利状态：专利授权

专利类型：发明专利

专利名称：Modified polyhistidine suitable for being used as a supramolecular shale inhibitor, method of preparing the same and its application in water-based drilling fluids