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Investigations on use of polymer solutions for transporting gravels to the bottom of oil wells for sand control

机译:使用聚合物溶液将砾石运至油井底部进行防砂的研究

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摘要

Viscous carrier fluids prepared with hydroxyethylcellulose can control settling rate of gravels to reasonable limit to enable proper placement of gravels in deep wells. Carrier fluids are pseudoplastic in nature and follow power law. Settling rates are normally higher than those predicted by Stoke's law. Effective viscosity reduction at the bottom is possible by adding ammonium persulphate at surface itself.
机译:用羟乙基纤维素制备的粘性载液可以将砾石的沉降速率控制在合理的范围内,从而可以将砾石正确地放置在深井中。载液本质上是假塑性的,并且遵循幂定律。沉降率通常高于斯托克定律预测的沉降率。通过在表面本身添加过硫酸铵,可以有效降低底部的粘度。

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