冲洗液在聚合物驱油田固井中的应用研究

Journal of Oil and Gas Technology(2013)

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Abstract
聚合物驱油田调整井固井时,注入地层中的聚合物及地层流体混合物浸入水泥浆后,使水泥浆增稠、流动性降低,从而降低固井顶替效率,最终影响固井质量。根据河南油田聚合物驱特点,选用自制悬浮剂,研制出CX-W21L冲洗液。该冲洗液体系悬浮稳定性好、冲洗效率高、相容性良好。更加适用于河南油田聚驱调整井固井,提高了注聚合物驱油田的固井质量,解决了河南油田的固井难题。
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Key words
washing fluid,cementation,polymer flooded oilfield
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