油藏聚合物驱油井解堵技术——以新疆油田七东1区克下组为例

Petroleum Knowledge(2021)

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Abstract
针对新疆油田七东1区克下组油藏聚合物驱油井因油层堵塞导致产油量下降的问题,在分析储层特点和堵塞机理的基础上,按堵塞物性质将该油藏油井堵塞划分为有机物堵塞、无机物堵塞和复合堵塞,按堵塞距离划分为近井堵塞和远井堵塞.研究不同类型堵塞的解堵技术,分别采用溶蜡降黏、溶蚀和碱表混合液解堵等措施解堵试验,均取得明显的增产增油效果.
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