| 提高砂岩酸化效果的优化技术研究 |
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| 引用本文： | 王明贵,何灿,龙学,李晖,赵立强.提高砂岩酸化效果的优化技术研究[J].钻井液与完井液,2011,28(5). |
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| 作者姓名： | 王明贵 何灿 龙学 李晖 赵立强 |
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| 作者单位： | 1. 中国石化集团西南石油局井下作业公司,四川德阳
2. 西南石油大学采油气工艺研究所,成都 |
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| 基金项目： | 中石化西南分公司重点科技攻关项目“川西须家河组储层高效酸化技术研究”(G1100-09-25-0041) |
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| 摘 要： | 川西须家河组砂岩储层埋藏深、地质条件复杂,加砂压裂和常规酸化增产效果均不理想,结合砂岩酸化增产机理和地质特征,优选出了对岩心骨架溶蚀率低(约2％)、对钻井液溶蚀率高(约15％),能较好防止酸化沉淀且缓速性好的新型高效酸液体系.同时,该酸有较好防止酸化沉淀的能力、酸化缓速性能好,稳定铁离子能力较强和较低的表面张力,非常适合川西高温深层砂岩酸化改造的需要且现场应用效果明显.
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| 关 键 词： | 深井 砂岩 酸化 新型高效酸 |
Research of Improving Acidizing Effect Technology of Sandstone Formation |
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| WANG Minggui,HE Can,LONG Xue,LI Hui,ZHAO Liqiang Downhole Service Company of Southwest Petroleum Branch,Sinopec,Deyang,Sichuan ,China.Research of Improving Acidizing Effect Technology of Sandstone Formation[J].Drilling Fluid & Completion Fluid,2011,28(5). |
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| Authors: | WANG Minggui HE Can LONG Xue LI Hui ZHAO Liqiang Downhole Service Company of Southwest Petroleum Branch Sinopec Deyang Sichuan China |
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| Affiliation: | WANG Minggui,HE Can,LONG Xue,LI Hui,ZHAO Liqiang Downhole Service Company of Southwest Petroleum Branch,Sinopec,Deyang,Sichuan 618000,China |
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| Abstract: | In this paper,a new type of high efficiency acidizing fluid system was developed that has the performances of low corrosion rate of rock framework (2%),high corrosion rate of drilling fluid (15%),good acidizing retarding,prevention of acidizing deposit,stable ferric ion and low surface tension which is fit for acidizing treatment of high temperature deep sandstone reservoirs in Chuanxi block. |
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| Keywords: | Deep well Sandstone Acidizing New type of high efficiency acidizing fluid |
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