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连续油管拖动喷射酸压工艺在和田河气田的应用

Drilling & Production Technology(2012)

Cited 23|Views45
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Abstract
多级封隔器分段酸压技术在和田河气田得到成功的推广和应用。但该工艺分段数受到一定的限制,同时完井管串不能满足后期分层产能测试评价等要求。针对水平井多级封隔器分段酸压工艺局限性,首次引入连续油管拖动喷射酸压工艺并在现场应用,采用66.7mm连续油管和8孔×5.5mm喷嘴组合,最多分段数达到16段,工艺成功率100%,提高效率和安全性,增产效果显著。连续油管拖动喷射酸压工艺在和田河气田的成功应用,为气田水平井增产改造提供了有力的技术支撑。
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Key words
acid fracturing,coiled tubing,horizontal well,hydraulic jetting
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