井眼不清洁、井漏,是造成井下复杂情况的重要原因。本文介绍的HN携砂堵漏剂,可以简单、快速,有效地解决这个问题。室内试验及现场使用都证明,HN携砂堵漏剂是一种不受泥浆体系影响、携带岩屑能力很强、堵漏效果较好的泥浆处理剂,并兼有提高泥饼质量、保护油气层的作用。 Wellbore is not clean, well leakage, is an important reason for the complexity of the underground. This article describes the HN sand plugging agent, you can simply, quickly and effectively solve this problem. Both indoor tests and field use prove that HN sand-carrying plugging agent is a mud treatment agent which is not influenced by the mud system and has strong rock cutting ability and good plugging effect, and also has the functions of improving the quality of the mud cake and protecting the oil and gas The role of layers.