[1]孙杰文,丁云宏,李宜强,等.高浓聚合物黏弹性分析及驱油参数优化[J].深圳大学学报理工版,2012,29(No.1(001-094)):25-30.[doi:10.3724/SP.J.1249.2012.01025]
 SUN Jie-wen,DING Yun-hong,LI Yi-qiang,et al.Viscoelastic analysis and oil displacement parameter optimization of high-concentration polymer[J].Journal of Shenzhen University Science and Engineering,2012,29(No.1(001-094)):25-30.[doi:10.3724/SP.J.1249.2012.01025]
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高浓聚合物黏弹性分析及驱油参数优化()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第29卷
期数:
2012年No.1(001-094)
页码:
25-30
栏目:
环境与能源
出版日期:
2012-01-06

文章信息/Info

Title:
Viscoelastic analysis and oil displacement parameter optimization of high-concentration polymer
作者:
孙杰文12 丁云宏2 李宜强3卢拥军2邹洪岚2张程4
1) 中国科学院渗流流体力学研究所,河北廊坊 065007
2) 中国石油勘探开发研究院廊坊分院,河北廊坊 065007
3) 中国石油大学(北京),北京102249
4) 大庆油田有限责任公司第二采油厂,黑龙江大庆 163414
Author(s):
SUN Jie-wen12 DING Yun-hong2 LI Yi-qiang3 LU Yong-jun2 ZOU Hong-lan2 and ZHANG Cheng4
1) Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, Langfang 065007, Hebei Province, P.R.China
2) Langfang Branch, Petro China Exploration and Development Research Institute, Langfang 065007, Hebei Province, P.R.China
3) China University of Petroleum, Beijing 102249, P.R.China
4) Oil Recovery Plant No.2, Daqing Oilfield Corp. Ltd., Daqing 163414, Heilongjiang Province, P.R.China
关键词:
油田应用化学采油工程提高采收率高浓聚合物黏弹性注入能力驱油效果段塞组合
Keywords:
oilfield applied chemistry petroleum engineering enhanced oil recovery(EOR) highly concentrated polymer viscoelasticityinjectability oil displacement characteristics slug combination
分类号:
TE 39;TE 357
DOI:
10.3724/SP.J.1249.2012.01025
文献标志码:
A
摘要:
基于高浓度聚合物黏弹性动态力学模型,利用RS600型流变仪测定了不同稀释条件下的高质量浓度聚合物溶液和聚合物溶液母液的黏弹性,分析各因素对高浓度聚合物驱油效果的影响,改进油田用聚合物溶液配制方法,开展相关高浓度聚合物驱油岩心流动实验.结果表明,通过提高水质和配制浓度可获得较好驱油效果.段塞组合注入时,提高第1段塞注聚合物质量浓度可有效封堵大孔喉,保证第2段塞转向进入中小孔喉驱替剩余油.现场应用发现,采用低相对分子质量、高质量浓度聚合物驱油方式可降低开采成本,获得较高注采收益比;结合室内实验研究证实,某油田矿场试验采用相对分子质量为2.5×107、质量浓度为 3 000 mg/L的聚合物溶液,注入后油井综合水质量分数由96%降至80%,单井日增油最高达2.8 t,累计增油24 068 t.
Abstract:
High-concentration polymer flooding is a recently developed method for improving recovery of highly water-cut reservoir. In this paper, the mathematical models of dynamic mechanical experiments were derived. Based on it, the viscoelasticity of high-concentration polymer under different concentrations was measured, and the influence factors were studied. The solution preparation on site, after being improved and standardized, was introduced into laboratory tests. The corresponding flow experiments were carried out. The results show that increasing concentration of polymer and water quality had better effect on flooding. The first injection slug with a higher concentration had better effect on plugging big throats and diverting into mid-small throats for flooding
residual oil by second injection slug. Effects of filed application suggest that the low-molecular high-concentration injection slug can cut down production cost and gain high injection-production profit ratio. Filed tests show that composite water cut decreased from 96% to 80%, single well production increased to 2.8 t, and cumulative incremental oil rate was up to 24 068 t. This improved method indicates a marked effect on flooding production.

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备注/Memo

备注/Memo:
基金项目:国家自然科学基金资助项目(51074172);中国石油天然气集团公司“十一五”科技攻关项目(2008B-4406)
作者简介:孙杰文(1982-),男(汉族),黑龙江省肇东市,中国科学院渗流流体力学研究所博士研究生. E-mail:etcsunjw@163.com
引文:孙杰文,丁云宏,李宜强,等. 高浓聚合物黏弹性分析及驱油参数优化[J]. 深圳大学学报理工版,2012,29(1):25-30.
更新日期/Last Update: 2012-01-05