| 油气井酸化过程中铁离子的沉淀及其预防 |
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| 引用本文： | 刘长龙,赵立强,邢杨义,鲁光亮. 油气井酸化过程中铁离子的沉淀及其预防[J]. 重庆科技学院学报(自然科学版), 2009, 11(6): 13-15 |
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| 作者姓名： | 刘长龙 赵立强 邢杨义 鲁光亮 |
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| 作者单位： | 西南石油大学油气藏地质及开发工程国家重点实验室,成都,610500 |
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| 摘 要： | 油气井酸化过程中往往出现铁离子沉淀问题,所产生的沉淀物会聚集于井眼并使井眼周围的渗透率降低,从而导致产量下降,通常在酸液中加入铁离子稳定剂以防沉淀物的生成。常用的铁离子稳定剂分为螯合剂和还原剂两类。
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| 关 键 词： | 油气井 酸化 铁离子 稳定剂 酸液 |
Precipitation and Prevention of Ferric Ion in Oil-gas Well Acidification Process |
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| LIU Chang-long,ZHA Li-qiang,XING Yang-yi,LU Guang-liang. Precipitation and Prevention of Ferric Ion in Oil-gas Well Acidification Process[J]. Journal of Chongqing University of Science and Technology:Natural Science Edition, 2009, 11(6): 13-15 |
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| Authors: | LIU Chang-long ZHA Li-qiang XING Yang-yi LU Guang-liang |
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| Affiliation: | LIU Chang-long ZHAO Li-qiang XING Yang-yi LU Guang-liang(State Key Laboratory of Reservoir Geology , Development Engineering,Southwest Petroleum University,Chengdu 610500) |
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| Abstract: | Ferric ion precipitation is a problem in oil-gas well acidification and the sediment usually accumulates at the borehole.Therefore,the permeability around the borehole is reduced and resulting in lower yields.Usually put the ferric ion stabilizer into the acid liquor in order to avoid producing sediment.The ferric ion stabilizer is usually divided into two parts,chelating agent and reducing agent. |
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| Keywords: | oil-gas well acidification ferric ion stabilizer acid liquor |
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