| 冻土区天然气水合物勘探低温钻井液理论与试验 |
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| 引用本文： | 杨葳,杨阳,徐会文.冻土区天然气水合物勘探低温钻井液理论与试验[J].探矿工程(岩土钻掘工程),2011,38(7):29-31,56. |
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| 作者姓名： | 杨葳 杨阳 徐会文 |
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| 作者单位： | 吉林大学建设工程学院,吉林长春,130026 |
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| 基金项目： | 中国地质调查局地质调查项目“青藏高原冻土带天然气水合物调查评价”(1212010818055) |
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| 摘 要： | 天然气水合物是在特定的低温与高压条件下形成的产物。在天然气水合物勘探工作中,低温钻井液是获得天然气水合物真实样品的重要保证条件之一。低温钻井液应具有低的冰点、良好的抵制能力与良好的流动性。结合天然气水合物勘探工作的特点,在试验的基础上,对比分析了PAM、PHPA、PAC-141、Na-CMC与KHm的分子结构、官能团的种类与数量对钻井液的防塌能力和流动性的影响,得出了几种处理剂的耐低温能力大小的顺序为:PAC-141
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| 关 键 词： | 天然气水合物 低温钻井液 高聚物 流变性 防塌能力 分子结构 |
| 收稿时间： | 4/5/2011 12:00:00 AM |
| 修稿时间： | 4/5/2011 12:00:00 AM |
Theory and Experiments of Low Temperature Drilling Fluid for Natural Gas Hydrate Exploration in Permafrost Area |
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| YANG Wei,YANG Yang and XU Hui-wen.Theory and Experiments of Low Temperature Drilling Fluid for Natural Gas Hydrate Exploration in Permafrost Area[J].Exploration Engineering:Rock & Soil Drilling and Tunneling,2011,38(7):29-31,56. |
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| Authors: | YANG Wei YANG Yang and XU Hui-wen |
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| Affiliation: | College of Construction Engineering, Jilin University,College of Construction Engineering, Jilin University,College of Construction Engineering, Jilin University |
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| Abstract: | Natural gas hydrate is formed under the specific conditions of low temperature and high pressure.Low temperature drilling fluid is the key to get high quality samples of natural gas hydrate during exploration work.Acceptable low temperature drilling fluid for natural gas hydrate should be characterized by low freezing point,good inhibitive capacity and flowability.According to the characteristics of natural gas hydrate exploration and based on the laboratory experiments,the comparison and analysis were made... |
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| Keywords: | natural gas hydrate low temperature drilling fluid high polymer rheology anti-collapse capacity molecular structure |
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