1. 西南石油大学石油与天然气工程学院,四川,成都,610500
2. 西南石油大学油气藏地质及开发工程国家重点实验室,四川,成都,610500
[ "赵帅(1991 —),男,在读博士研究生,从事提高采收率理论及技术研究。通讯地址:四川省成都市新都区新都大道8号西南石油大学,邮政编码:610500。E-mail: zs77816@163.com" ]
纸质出版:2019
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赵帅, 蒲万芬, 李科星, 等. 聚合物微球非均质调控能力研究[J]. 油气藏评价与开发, 2019,(4):51-56.
ZHAO Shuai, PU Wanfen, LI Kexing, et al. Study on profile control ability of polymer microspheres to heterogeneous formation[J]. Petroleum Reservoir Evaluation and Development, 2019, (4): 51-56.
赵帅, 蒲万芬, 李科星, 等. 聚合物微球非均质调控能力研究[J]. 油气藏评价与开发, 2019,(4):51-56. DOI: 10.13809/j.cnki.cn32-1825/te.2019.04.010.
ZHAO Shuai, PU Wanfen, LI Kexing, et al. Study on profile control ability of polymer microspheres to heterogeneous formation[J]. Petroleum Reservoir Evaluation and Development, 2019, (4): 51-56. DOI: 10.13809/j.cnki.cn32-1825/te.2019.04.010.
采用光学显微镜和流变仪对实验室自制的聚合物微球PM1的形貌及流变特性进行了评价。分别通过单和双并联岩心驱替实验系统研究了微球体系渗流速度和浓度对其在多孔介质中的运移和封堵性能的影响以及微球的非均质调控能力。研究结果表明
微球PM1粒径为微米级
具有很高的圆球度
在较高的剪切速率下
其表观黏度与水接近。微球对孔喉的封堵能力随着渗流速度的降低或质量浓度的增加而增强。微球具有较强的非均质调控能力
若将调驱后的低渗岩心相对吸水量≥35%的调驱措施规定为合格的调驱
则微球能够有效改善储层非均质性的渗透率级差上限约为20。对于存在裂缝或大孔道等非均质强的油藏
可考虑采用大尺度和微尺度微球交替段塞复合调驱技术。
The morphology and rheological properties of polymer microspheres PM1 were evaluated by optical microscope and rheometer. The effects of injection rate and concentration of microsphere system on the migration and plugging properties in porous media as well as the profile control ability of polymer microspheres to heterogeneous formation were investigated respectively by single core and parallel cores flooding experiments. The results showed that the microspheres had a high degree of sphericity with micro scale and its apparent viscosity was close to water at a relative high shear rate. The plugging ability of microspheres to pore throats increased with the decrease of seepage velocity or the increase of mass concentration. The microspheres had strong profile control ability to heterogeneous formation. If the measures that relative water absorption of low permeable core after profile control and oil displacement was greater than or equal to 35 % could be deemed to be appropriate
the upper limit of the permeability contrast
corresponding to which the microspheres could effectively improve the reservoir heterogeneity
would be about 20. For some strongly heterogeneous reservoirs existing fractures or large pores
the combined technique of profile control and flooding about alternating slugs of large-scale and micro-scale microspheres could be considered preferentially.
Zhao Hua,Meiqin Lin,Zhaoxia Dong,Mingyuan Li,Guiqing Zhang,Jie Yang.Study of deep profile control and oil displacement technologies with nanoscale polymer microspheres[J].Journal of Colloid And Interface Science,2014.
Zhao Hua,Meiqin Lin,Jinru Guo,Fengqiang Xu,Zhiyan Li,Mingyuan Li.Study on plugging performance of cross-linked polymer microspheres with reservoir pores[J].Journal of Petroleum Science and Engineering,2013.
娄钰.纳微米聚合物颗粒分散体系非匀相渗流理论研究[D].北京科技大学,2015(09).
蒲万芬,赵帅,王亮亮,梅子来,冯天,魏兵.聚合物微球粒径与喉道匹配性研究[J].油气地质与采收率,2018(04).
蒲万芬,赵帅,袁成东,王松,马新平,谢爽.耐温抗盐聚合物微球/表面活性剂交替段塞调驱实验研究[J].油气藏评价与开发,2016(04).
赵修太,陈泽华,陈文雪,马汉卿,翟东启,任增雷.颗粒类调剖堵水剂的研究现状与发展趋势[J].石油钻采工艺,2015(04).
姚传进,雷光伦,高雪梅,李蕾.非均质条件下孔喉尺度弹性微球深部调驱研究[J].油气地质与采收率,2012(05).
雷光伦,李文忠,贾晓飞,姚传进,孙文凯.孔喉尺度弹性微球调驱影响因素[J].油气地质与采收率,2012(02).
孙焕泉,王涛,肖建洪,陈辉.新型聚合物微球逐级深部调剖技术[J].油气地质与采收率,2006(04).
蒲万芬,赵帅,王亮亮,梅子来,冯天,魏兵.聚合物微球粒径与喉道匹配性研究[J].油气地质与采收率,2018(04).
蒲万芬,赵帅,袁成东,王松,马新平,谢爽.耐温抗盐聚合物微球/表面活性剂交替段塞调驱实验研究[J].油气藏评价与开发,2016(04).
赵修太,陈泽华,陈文雪,马汉卿,翟东启,任增雷.颗粒类调剖堵水剂的研究现状与发展趋势[J].石油钻采工艺,2015(04).
姚传进,雷光伦,高雪梅,李蕾.非均质条件下孔喉尺度弹性微球深部调驱研究[J].油气地质与采收率,2012(05).
雷光伦,李文忠,贾晓飞,姚传进,孙文凯.孔喉尺度弹性微球调驱影响因素[J].油气地质与采收率,2012(02).
孙焕泉,王涛,肖建洪,陈辉.新型聚合物微球逐级深部调剖技术[J].油气地质与采收率,2006(04).
娄钰.纳微米聚合物颗粒分散体系非匀相渗流理论研究[D].北京科技大学,2015(09).
Zhao Hua,Meiqin Lin,Zhaoxia Dong,Mingyuan Li,Guiqing Zhang,Jie Yang.Study of deep profile control and oil displacement technologies with nanoscale polymer microspheres[J].Journal of Colloid And Interface Science,2014.
Zhao Hua,Meiqin Lin,Jinru Guo,Fengqiang Xu,Zhiyan Li,Mingyuan Li.Study on plugging performance of cross-linked polymer microspheres with reservoir pores[J].Journal of Petroleum Science and Engineering,2013.
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