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由于海上油田水平井酸压井次较少,对水平井分段酸压管柱及技术没有较深的认识,而水力喷射分段酸压技术是利用水力喷射工具进行分段隔离、喷射酸压的新型改造方法,为S油田U碳酸盐岩储层大斜度井、水平井储层改造提供了很好的解决方案。该技术在S油田的A5H井得到成功应用,增产效果良好。
Because there are few acid fracturing wells in horizontal wells in offshore oilfields, there is not a deep understanding of horizontal acid-fracturing columns and technologies for horizontal wells. However, the hydraulic fracturing acid fracturing technology is segmented by hydraulic jetting tools and sprayed with acid pressure The new reconstruction method provides a good solution for the reconstruction of high-deviated well and horizontal well in U-carbonate reservoir of S Oilfield. The technology has been successfully applied in the A5H well in S Oilfield and the stimulation effect is good.