泡沫段塞驱提高采收率技术研究
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摘要
聚合物驱采油技术经过近年来的发展和实践应用,在国内外许多油田提高采收率方面起到了良好的作用,特别是针对开发后期含水率上升具有良好控水效果。但部分低孔、低渗油田在聚合物采油后期,出现了储层非均质性加剧和孔隙厚度封堵的情况,导致地层窜流,影响了降水增油效果。泡沫驱油技术以其泡沫独特性质被得到了足够的重视,采用室内实验评价方法,筛选了6种起泡剂和4种稳泡剂进行分析,评价各类性能,并优选出良好的泡沫体系。利用物理模拟实验,确定了氮气泡沫调驱注入参数,证实了氮气泡沫驱油的优良性能。
After the development and practice of polymer flooding technology in recent years, it has played a good role in improving oil recovery in many oilfields at home and abroad. Especially, it has good water control effect for the increase of water content in the late development. However, in the late stage of polymer oil recovery in some low porosity and low permeability oil fields, the heterogeneity of the reservoir and the blocking of pore thickness occurred,which resulted in the formation of formation flow to affect the effect of increasing oil production. The foam oil displacement technology has been paid enough attention due to its unique foam properties. By using the laboratory evaluation method, 6 kinds of foaming agent and 4 kinds of foam stabilizer were screened out, and all kinds of properties were evaluated, and a good foam system was selected. The injection parameters of nitrogen foam flooding were determined by physical simulation experiments, which confirmed the excellent performance of nitrogen foam flooding.
After the development and practice of polymer flooding technology in recent years, it has played a good role in improving oil recovery in many oilfields at home and abroad. Especially, it has good water control effect for the increase of water content in the late development. However, in the late stage of polymer oil recovery in some low porosity and low permeability oil fields, the heterogeneity of the reservoir and the blocking of pore thickness occurred,which resulted in the formation of formation flow to affect the effect of increasing oil production. The foam oil displacement technology has been paid enough attention due to its unique foam properties. By using the laboratory evaluation method, 6 kinds of foaming agent and 4 kinds of foam stabilizer were screened out, and all kinds of properties were evaluated, and a good foam system was selected. The injection parameters of nitrogen foam flooding were determined by physical simulation experiments, which confirmed the excellent performance of nitrogen foam flooding.
引文
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[3]游晓伟.蒸汽吞吐泡沫调剖体系室内实验研究[J].当代化工,2018,47(5):950-952+957.
[4]吴浩,孙怡韫,郑雅慧,等.耐盐高稳泡超低界面张力泡沫体系研究[J].当代化工,2018,47(3):483-486.
[5]石亚琛,戈薇娜,孙超,等.空气泡沫驱驱油机理与实验研究[J].当代化工,2016,45(12):2852-2855.
[6]张作安.低渗透油藏泡沫驱油机理及应用现状研究[J].当代化工,2017,46(8):1693-1695+1704.
[7]张玉梅.聚驱后泡沫驱配方优选与评价[J].当代化工,2015,44(5):1035-1037.
[8]刘荣全,杨双春,潘一,等.气体泡沫驱油研究进展[J].当代化工,2016,45(3):627-629.
[9]周志军,周福.影响低渗透油藏空气泡沫驱的多参数综合评价[J].当代化工,2016,45(4):756-758+762.
[10]刘世达,张强.强化泡沫驱复配的研究与评价[J].当代化工,2016,45(8):1729-1731.
[11]王璐,杨胜来,孟展,等.高凝油油藏气水交替驱提高采收率参数优化[J].复杂油气藏,2016,9(3):55-60.
[12]王立军,王立辉.铬微凝胶体系交替注入参数优化[J].当代化工,2015,44(6):1206-1208+1212.
[13]曹豹,张云宝,李翔,等.普通稠油油藏组合式提高采收率技术—以渤海SZ36-1油田为例[J].油田化学,2015,32(2):185-189.
[14]吴文祥,邹积瑞,唐佳斌,等.聚合物段塞交替注入参数优化研究[J].科学技术与工程,2013,13(26):7807-7811.