在浓度低于缠结浓度时，黄原胶溶液的驱油效率很低。
The displacement efficiency of xanthan gum solution was low, when its concentration was lower than the overlap concentration.
着重介绍黄原胶在胜利孤东油田七区部分油井段塞驱油应用效果分析。
This article introduced mainly the analysis of application effect for oil displacement of xanthan gum in the seventh zone oil Wells of Shengli Gudong oil field.
增加注入速度时，黄原胶溶液的驱油效率提高值不变。
The displacement efficiency kept stable, when increasing the injecting speeds of xanthan solutions.
增加注入速度时，黄原胶溶液的驱油效率提高值不变。
The displacement efficiency kept stable, when increasing the injecting speeds of xanthan solutions.
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