Experimental Study of High-Temperature Resistant Gel System for Anti-Steam Channeling in Steam Flooding Heavy Oil Well
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摘要: 为了提高腐殖酸钠调堵剂在注蒸汽高温条件下的性能,对控制汽窜高温凝胶调堵体系进行了研究。将腐殖酸钠进行硝化处理,并辅以交联剂,以具有较长的成胶时间和较高的成胶强度为标准,考察了硝基腐殖酸钠、甲醛和间苯二酚的质量分数,盐质量浓度及pH值对凝胶调堵体系性能的影响,从而配制出具有耐高温性能的硝基腐植酸钠凝胶调堵体系,并通过试验对其性能进行评价。控制汽窜高温凝胶调堵体系的最佳配方为1.5%~2.5%甲醛+1.0%~2.0%间苯二酚+8.0%~10.0%硝基腐殖酸钠。该调堵体系具有很好的抗盐特性及耐温性能,质量浓度10 000 mg/L NaCl和质量浓度4 000 mg/L CaCl2对其性能影响不大,最高可耐290℃的高温。该调堵体系对不同渗透率的岩心都具有良好的封堵效果,封堵率在95%左右,能选择封堵高渗透层,起到调剖堵水的作用。这表明该凝胶调堵体系能封堵高渗透层,起到调剖的作用,能满足蒸汽驱稠油井防汽窜的要求。Abstract: In order to improve the performance of sodium humate plugging agent at high temperature,high-temperature resistant gel system for steam channeling control was studied.Sodium humate was nitrified and associated with cross-linking agent with sufficient gel time and sufficient gel strength.Taking into account the impacts of mass fraction of sodium nitro-humate,formaldehyde and resorcinol,salts concentrations and pH value,the composition of high-temperature resistant gel system was optimized and its properties were evaluated through experiments.The optimum formula of the gel system was composed of 1.5%-2.5% formaldehyde,1.0%-2.0% resorcinol and 8.0%-10.0% sodium nitro-humate.The mass concentration of NaCl and CaCl2 of the gel system were 10 000 mg/L and 4 000 mg/L,respectively.It has the characteristics of salt resistance and high temperature tolerance as high as 290℃.The gel system has good plugging effects for the cores with various permeabilities and its plugging ratio is approximate to 95%.It is capable of selectively plugging highly permeable zones and functioning effectively for profile control and water shutoff,which demonstrates that the gel system completely meets the demands of anti-steam channeling in the process of steam injection.
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Keywords:
- anti-steam channeling /
- steam flooding /
- sodium nitro-humate /
- profile control /
- water shutoff
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[1] 凌建军,黄鹂.国外水平井稠油热力开采技术[J].石油钻探技术,1996,24(4):44-47. Ling Jianjun,Huang Li.Horizontal well techniques for heavy oil recovery in foreign countries[J].Petroleum Drilling Techniques,1996,24(4):44-47. [2] 郭旭光,谢建军,李晓娜,等.稠油热采开发中后期提高注入蒸汽效果的探讨[J].河南石油,2004,18(增刊1):49-51. Guo Xuguang,Xie Jianjun,Li Xiaona,et al.Discussion of improving steam flood efficiency in the latter period of steamflood[J].Henan Petroleum,2004,18(supplement 1):49-51. [3] 曲兆选,王桂勋.乳化稠油选择性堵剂的室内研究[J].石油钻探技术,2003,31(4):56-58. Qu Zhaoxuan,Wang Guixun.Lab tests of selective plugging agents for emulsified thickened oil recovery[J].Petroleum Drilling Techniques,2003,31(4):56-58. [4] 黄翔,张凤丽.稠油油藏高温泡沫调剖体系室内实验研究[J].西南石油大学学报,2007,29(5):116-118. Huang Xiang,Zhang Fengli.High-temperature foam profile control system for heavy oil reservoir in lab experiment[J].Journal of Southwest Petroleum University,2007,29(5):116-118. [5] 宁丽华.稠油油藏高温调剖技术[J].渤海大学学报:自然科学版,2009,30(2):110-114. Ning Lihua.High-temprature profile control technology for heavy oil reservoir[J].Journal of Bohai University:Natural Science Edition,2009,30(2):110-114. [6] 李远林,王洁.SB-4 型高温调剖剂在稠油开采中的应用[J].油田化学,1998,15(1):34-37,41. Li Yuanlin,Wang Jie.High temperature profile modificator SB-4 for use in viscous oil production[J].Oilfield Chemistry,1998,15(1):34-37,41. [7] 田世明,杜丽宏.硝化反应对泥炭腐植酸反应性官能团的影响[J].哈尔滨理工大学学报,2010,15(1):64-66. Tian Shiming,Du Lihong.Effects of nitrification reaction on reactive functional groups of peat humic acid[J].Journal of Harbin University of Science and Technology,2010,15(1):64-66. [8] 高子东,李晶,何小娟,等.用于低渗透油田的腐殖酸高温堵剂研究[J].西南石油大学学报:自然科学版,2008,30(3):131-135. Gao Zidong,Li Jing,He Xiaojuan,et al.Humic acid plug agent used in high-temperature and low permeable reservoir[J].Journal of Southwest Petroleum University:Science Technology Edition,2008,30(3):131-135. [9] Gjessing E T.Physical and chemical characteristics of aquatic humus[M].Ann Arbor:Ann Arbor Science Publishers,1976.
[10] Dovan H T,Hutchins R D,Sandiford B B.Delaying gelation of aqueous polymers at elevated temperatures using novel organic crosslinkers.SPE 37246,1997.
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