| 废弃高密度钻井液固液分离的实验研究 |
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| 引用本文： | 黎钢,朱墨.废弃高密度钻井液固液分离的实验研究[J].石油钻探技术,1998,26(1):21-22. |
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| 作者姓名： | 黎钢 朱墨 |
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| 作者单位： | [1]大庆石油学院石化系 [2]石油大学石油工程系 |
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| 摘 要： | 对废弃高密度钻井液进行了稀释沉降和化学絮凝脱水的固液分离实验研究。结果表明，该方法不仅回收了９０％的加重材料（重晶石粉），而且破坏了废钻井液的胶体体系，使其絮凝脱水，实现固液分离，脱水残渣可安全地埋入地下，有效地解决了废钻井液对环境的污染问题。
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| 关 键 词： | 加重钻井液 稀释 沉降 絮凝剂 脱水 液固分离 实验室试验 环境保护 残渣 中原油田 文72井 |
Lab Experiments into Solid-liquid Separation of Waste High Density Drilling Liquid |
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| Abstract: | The solid-liquid separation of waste high-density drilling fluid which included the dilution and settling of waste weighted mud and the chemical flocculation and dewatering of diluted mud was conducted at lab. It was found that the seperation procedure could not only retrieve 90% weighting material (barite), but also break down the colloid system of the waste diluted mud and finally make it flocculate and dewater. |
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| Keywords: | weighting drilling liquid diluting setting flocculant dewatering solid liquid separation lab testing envirmental protection residue Zhongyuan Oilfield Wen 72 Well |
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