一种复合酸在BZ34-1油田X井的应用

Petroleum Geology and Engineering(2016)

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Abstract
BZ34-1油田X井受储层条件和生产方式影响,存在比较严重的高压欠注问题,常规酸化有效期短,解堵增注效果不理想.在深入分析X井欠注原因的基础之上,利用有机酸、无机酸和有机解堵剂的复合解堵作用,研发了一种复合酸.应用该复合酸酸化后,X井注入压力下降了2 MPa,注水量提升了100 m3/d,增注效果明显.
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