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随着渤海油田开发逐步进入中后期,注水开发模式下一些区块油田对于水源需求越来越大,而某些水源井管柱腐蚀穿孔问题日益严重,成为困扰渤海油田井筒工艺方面的一个难题。渤海油田主产区之一辽东油田2 9口水源井中,1 3口井出现过腐蚀穿孔,合计3 9井次。对于很多海上生产平台,一个平台只有一口到两口水源井,一旦水源井无产水或产水大幅减少,必将严重影响油田的整体开发结果和经济效益。本文对渤海油田防腐管材的发展、现状及展望进行了概述,由于3Cr材料油管的性能及性价比较好,所以着重叙述它的特点。
With the development of Bohai Oilfield gradually entering the middle and late stages, the demand for water in some block oilfields is becoming larger and larger due to the waterflooding development mode. However, the corrosion and perforation of some water source wells have become more and more serious. This poses a problem in the process of wellbore confusion in Bohai Oilfield. Of the 29 water source wells in Liaodong oilfield, one of the main producing areas in the Bohai oil field, erosive perforation occurred in 13 wells with a total of 39 wells. For many offshore production platforms, a platform has only one or two water source wells. Once there is no water production or water production drastically reduced, the overall development results and economic benefits of the oil fields will be seriously affected. This paper summarizes the development, present situation and prospect of anti-corrosion pipe in Bohai Oilfield. Due to its good performance and cost performance, 3Cr material pipe focuses on its characteristics.