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腐蚀严重的集输油管线不开挖就地原位修复再生,将为油田节省大量资金,具有显著的社会效益和经济效益。本文提出了以聚合物水泥砂浆作为加固层、环氧胶泥类材料作为过渡层、钢磷片涂料作为主防腐层的复合衬里结构修复旧管线的技术方案,并就衬里材料研究、三层复合结构研究以及该技术在油田的初步应用情况进行了详细介绍。
Corrosion of the pipeline will not dig in situ on-site repair and regeneration, will save a lot of money for the oilfield, with significant social and economic benefits. In this paper, the technical scheme of repairing the old pipeline with polymer cement mortar as the reinforced layer, the epoxy cement as the transition layer and the steel phosphate coating as the main anticorrosive layer is put forward, and the research on the lining material, the three-layer composite structure Research and the initial application of the technology in the oilfield are described in detail.