摘要：【中文】本申请提供了一种油藏油井堵水的方法，其包括如下步骤：1)在前置段塞，向油井注入第一堵剂，所述第一堵剂为包括缓膨颗粒和水的第一混合物混合物；2)在主体段塞，向油井注入第二堵剂，所述第二堵剂为包括聚丙烯酰胺和聚乙烯亚胺与水的第二混合物；3)在封口段塞，向油井注入第三堵剂，所述第三堵剂为包括钠土、水泥、缓凝剂和水的第三混合物。 【EN】The application provides a method for blocking water of an oil reservoir and an oil well, which comprises the following steps: 1) injecting a first plugging agent into the oil well at the front section plug, wherein the first plugging agent is a first mixture comprising expansion-slowing particles and water; 2) injecting a second plugging agent into the oil well at the main body slug, wherein the second plugging agent is a second mixture comprising polyacrylamide, polyethyleneimine and water; 3) and injecting a third plugging agent into the oil well at the sealing slug, wherein the third plugging agent is a third mixture comprising sodium soil, cement, a retarder and water.