| 含动力学抑制剂的聚合醇钻井液水合物抑制性研究 |
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| 引用本文： | 刘天乐,蒋国盛,宁伏龙,张凌,涂运中.含动力学抑制剂的聚合醇钻井液水合物抑制性研究[J].地质科技情报,2010,29(1). |
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| 作者姓名： | 刘天乐 蒋国盛 宁伏龙 张凌 涂运中 |
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| 作者单位： | 中国地质大学岩土钻掘与防护教育部工程研究中心,武汉,430074 |
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| 基金项目： | 国家863计划项目(2006AA09Z316);;国家自然科学基金项目(50704028);;中国地质大学(武汉)研究生学术探索与创新基金项目(CUGYJS0803) |
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| 摘 要： | 对含动力学抑制剂的聚合醇钻井液水合物抑制性进行了实验研究。实验结果表明,加入PVP的水基聚合醇钻井液能够有效抑制甲烷水合物的生成,而PVP(K90)的抑制效果明显优于PVP(K30)。在温度为0℃、初始压力为18 MPa的条件下,只需向水基聚合醇钻井液中添加1%的PVP(K90),就能够确保循环管路中20 h内不会生成水合物。
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| 关 键 词： | 海洋含天然气水合物地层 钻井 聚合醇钻井液 动力学抑制剂 水合物生成抑制性 |
Inhibition of Polyethylene Glycol Drilling Fluid with Kinetic Inhibitor for Marine Gas Hydrates Formation |
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| LIU Tian-le,JIANG Guo-sheng,NING Fu-long,ZHANG Ling,TU Yun-zhong.Inhibition of Polyethylene Glycol Drilling Fluid with Kinetic Inhibitor for Marine Gas Hydrates Formation[J].Geological Science and Technology Information,2010,29(1). |
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| Authors: | LIU Tian-le JIANG Guo-sheng NING Fu-long ZHANG Ling TU Yun-zhong |
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| Institution: | Engineering Research Center of Rock-Soil Drilling & Excavation and Protection of Ministry of Education;China University of Geosciences;Wuhan 430074;China |
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| Abstract: | During the drilling in marine gas hydrates bearing sediment(GHBS),the methane gas released by hydrates decomposed enters the circulating pipeline of drilling fluid.Once the condition of temperature and pressure is appropriate,hydrates will be reformed,which will block the circulating pipeline clogging,and lead to a series of drilling accidents.Therefore,the hydrates formation inhibition of the drilling fluid is very critical.The experiments showed that the water-based drilling fluid with polyethlene glycol ... |
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| Keywords: | marine gas hydrate bearing sediment drilling polyethylene glycol drilling fluid kinetic inhibitor hydrates formation inhibition |
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