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油田聚驱采出液乳化特性及其破乳-絮凝

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翁艺斌, 阎光绪, 李敏, 翟星月, 郭绍辉, 张佩佩. 油田聚驱采出液乳化特性及其破乳-絮凝[J]. 环境工程学报, 2015, 9(9): 4259-4264. doi: 10.12030/j.cjee.20150927
引用本文: 翁艺斌, 阎光绪, 李敏, 翟星月, 郭绍辉, 张佩佩. 油田聚驱采出液乳化特性及其破乳-絮凝[J]. 环境工程学报, 2015, 9(9): 4259-4264. doi: 10.12030/j.cjee.20150927
shu
Weng Yibin, Yan Guangxu, Li Min, Zhai Xingyue, Guo Shaohui, Zhang Peipei. Emulsification properties and demulsification flocculation treatment of oilfield polymer flooding produced liquid[J]. Chinese Journal of Environmental Engineering, 2015, 9(9): 4259-4264. doi: 10.12030/j.cjee.20150927
Citation: Weng Yibin, Yan Guangxu, Li Min, Zhai Xingyue, Guo Shaohui, Zhang Peipei. Emulsification properties and demulsification flocculation treatment of oilfield polymer flooding produced liquid[J]. Chinese Journal of Environmental Engineering, 2015, 9(9): 4259-4264. doi: 10.12030/j.cjee.20150927
shu

油田聚驱采出液乳化特性及其破乳-絮凝

  • 1.

    中国石油大学(北京) 重质油国家重点实验室 油气污染防治北京市重点实验室, 北京 102249

  • 2.

    中海油天津液化天然气有限责任公司, 天津 300452

  • 基金项目:

    国家高技术研究发展计划(863)项目(2012AA063401)

  • 中图分类号: X741

Emulsification properties and demulsification flocculation treatment of oilfield polymer flooding produced liquid

  • 1.

    Beijing Key Laboratory of Oil & Gas Pollution Control, State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China

  • 2.

    China National Offshore Oil Corp Tianjin Liquified Natural Gas Co. Ltd., Tianjin 300452, China

  • Fund Project:

  • 摘要: 为了解决国内某油田聚驱采出液油水分离的难题,对聚驱采出液的水质特性和乳化特性进行研究,考察了驱油剂聚丙烯酰胺(HPAM)对污水乳化程度的影响,针对该污水开发、筛选出最优的高效破乳剂,考察了投加量及温度对污水破乳效果的影响,并进行了破乳-絮凝复配实验研究。实验结果表明,该油田聚驱采油污水油含量、悬浮物、硫含量、Fe2+均较高,乳化程度严重且具有较强乳化稳定性,油水分离困难;HPAM的存在增强了污水的乳化程度;当破乳温度为65℃,停留时间为2 h时,投加6 mg/L的PAM4#时除油效率约为72%,在破乳后的水样中投加100 mg/L的PAS,含油量可降低至27.0 mg/L,悬浮物降低至9.0 mg/L,处理后水样达到该油田回注水的水质标准。
    Abstract: To solve the oil water separation problem of domestic oilfield polymer flooding produced liquid (PFPL), the quality characteristics, emulsifying properties, HPAM density effect on emulsification degree, selecting high efficient demulsifier and the effects of dosage and reaction temperature on demulsification efficiency were studied, then demulsification flocculation treatment of the wastewater was studied. The results showed that the oil content, suspended particles concentration, sulfur content and Fe2+ concentration of PFPL were high, and the oil-water separation was difficult since the emulsification degree of PFPL was strengthened by the presence of HPAM. Also, studies show that when the demulsification temperature, retention time and addition of PAM4# were 65℃, 2 hours and 6 mg/L, respectively, the oil removal efficiency was 72%, and the oil content and suspended particles can be reduced to 27.0 mg/L and 9.0 mg/L, respectively in addition of 100 mg/L PAS. Ultimately, the treated PFPL meets the oilfield reinjection water quality standard.
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  • [1] 魏冉. 油田三次采油驱油技术应用探讨. 化学工程与装备, 2014, (5): 152-153 Wei Ran. Oilfield tertiary oil displacement technique application. Chemical Engineering & Equipment, 2014, (5): 152-153(in Chinese)
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  • 收稿日期:  2014-07-23
  • 刊出日期:  2015-09-15
翁艺斌, 阎光绪, 李敏, 翟星月, 郭绍辉, 张佩佩. 油田聚驱采出液乳化特性及其破乳-絮凝[J]. 环境工程学报, 2015, 9(9): 4259-4264. doi: 10.12030/j.cjee.20150927
引用本文: 翁艺斌, 阎光绪, 李敏, 翟星月, 郭绍辉, 张佩佩. 油田聚驱采出液乳化特性及其破乳-絮凝[J]. 环境工程学报, 2015, 9(9): 4259-4264. doi: 10.12030/j.cjee.20150927
shu
Weng Yibin, Yan Guangxu, Li Min, Zhai Xingyue, Guo Shaohui, Zhang Peipei. Emulsification properties and demulsification flocculation treatment of oilfield polymer flooding produced liquid[J]. Chinese Journal of Environmental Engineering, 2015, 9(9): 4259-4264. doi: 10.12030/j.cjee.20150927
Citation: Weng Yibin, Yan Guangxu, Li Min, Zhai Xingyue, Guo Shaohui, Zhang Peipei. Emulsification properties and demulsification flocculation treatment of oilfield polymer flooding produced liquid[J]. Chinese Journal of Environmental Engineering, 2015, 9(9): 4259-4264. doi: 10.12030/j.cjee.20150927
shu

油田聚驱采出液乳化特性及其破乳-絮凝

  • 1. 中国石油大学(北京) 重质油国家重点实验室 油气污染防治北京市重点实验室, 北京 102249
  • 2. 中海油天津液化天然气有限责任公司, 天津 300452
  • 收稿日期:  2014-07-23
基金项目:

国家高技术研究发展计划(863)项目(2012AA063401)

摘要: 为了解决国内某油田聚驱采出液油水分离的难题,对聚驱采出液的水质特性和乳化特性进行研究,考察了驱油剂聚丙烯酰胺(HPAM)对污水乳化程度的影响,针对该污水开发、筛选出最优的高效破乳剂,考察了投加量及温度对污水破乳效果的影响,并进行了破乳-絮凝复配实验研究。实验结果表明,该油田聚驱采油污水油含量、悬浮物、硫含量、Fe2+均较高,乳化程度严重且具有较强乳化稳定性,油水分离困难;HPAM的存在增强了污水的乳化程度;当破乳温度为65℃,停留时间为2 h时,投加6 mg/L的PAM4#时除油效率约为72%,在破乳后的水样中投加100 mg/L的PAS,含油量可降低至27.0 mg/L,悬浮物降低至9.0 mg/L,处理后水样达到该油田回注水的水质标准。

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