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随着油田开发进入后期,层间改造措施增多和套管损坏现象严重,为了确保油田开发的需要,钻塞(桥塞)、套磨铣、打捞施工工序日益增多。
With the development of oilfields entering into the late stage, the measures for inter-layer transformation and the casing damage are serious. In order to ensure the development of oilfields, drilling procedures (bridge plugs), casing milling and salvage operations have been increasing.