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目前,胜利油田油井的套损速度日益加快,而且套损程度严重,套损类型复杂,原有的一些修井技术已经不能满足生产的需求。为了维持油田正常生产和挖潜增产,急需引进一些新的修复技术,比如小通径套损井打通道技术、套损井液压密封加固技术、侧钻斜直井技术等一系列套损井配套修复技术。本文介绍了这些技术的适用条件、工艺原理、技术关键、技术指标及现场应用效果。
At present, the casing damage rate of Shengli Oilfield is accelerating day by day, and the casing damage degree is serious. The types of casing damage are complex. Some of the former well repair technologies can not meet the production needs. In order to maintain the normal production and increase the production potential in the field, it is urgent to introduce some new repair technologies, such as a series of well repairing techniques for casing damage well, such as small-diameter well casing damage access technology, casing damage hydraulic seal reinforcement technology and side-slope inclined well technology . This article describes the application conditions of these technologies, process principles, technical key, technical indicators and field application results.