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本文介绍了低渗透油田分层注水工艺技术及其在低渗透油田应用中取得了明显效果，并指出低渗透油田分层注水工艺技术的发展方向。
This paper introduces the technology of stratified waterflooding in low permeability oilfield and its application in low permeability oilfield. It also points out the developing direction of stratified waterflooding technology in low permeability oilfield.