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Treatment on Wellhead Leakage of Water Injection Well in Xinmin Oilfield
Author(s): Li Hongying
Pages: 87-
88
Year: 2011
Issue:
2
Journal: Oil-Gasfield Surface Engineering
Abstract: 新民油田属于低孔、低渗油田,注入压力逐年升高,井口渗漏现象逐年增多.针对这种现状,开展了高压治漏技术.利用上、下法兰卡具或套管接箍上接头卡具,将井口漏失部位包裹固定,从预制好的高压注胶孔处多次注入密封胶,在卡具内侧形成高压密封环,堵住刺漏部位,解决了井口渗漏问题.高压治漏技术不用泄压,施工工艺简单易操作,成本比小修费用低,密封效果好,方便维护.新民油田自2005年开展高压治漏技术以来,平均每年节约...
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