| 氮气泡沫压裂液用作煤层气井性能研究 |
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| 引用本文： | 程秋菊,胡艾国,熊佩,罗陶涛,李国锋.氮气泡沫压裂液用作煤层气井性能研究[J].应用化工,2011(10):1675-1679. |
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| 作者姓名： | 程秋菊 胡艾国 熊佩 罗陶涛 李国锋 |
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| 作者单位： | 成都理工大学能源学院;中石化华北分公司工程技术研究院;川庆钻探工程公司钻采工艺技术研究院; |
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| 基金项目： | 十二五国家科技重大专项研究内容(2011ZX05060-002) |
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| 摘 要： | 通过对氮气泡沫压裂液的筛选,优选出适合于煤层的泡沫压裂液体系,性能测定表明,0.25%SL-1+0.25%SL-2+0.5%ABS+0.2%PAM泡沫体系经145 s-1剪切后粘度仍稳定在100 mPa.s,滤失系数为1.54×10-5 m/min1/2,陶粒沉降速度仅为清水的0.004 5%,对煤样的损害率只有20.8%(相对于瓜胶的79.4%),远小于常规压裂液,其吸附量对煤基质的孔隙基本不会产生堵塞,由此可见,0.25%SL-1+0.25%SL-2+0.5%ABS+0.2%PAM体系泡沫压裂液非常适合煤层气井的压裂施工。
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| 关 键 词： | 煤层 泡沫压裂液 性能评价 伤害性 |
Properties of nitrogen foam fracturing fluid for CBM wells |
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| CHENG Qiu-ju,HU Ai-guo,XIONG Pei,LUO Tao-tao,LI Guo-feng.Properties of nitrogen foam fracturing fluid for CBM wells[J].Applied chemical industry,2011(10):1675-1679. |
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| Authors: | CHENG Qiu-ju HU Ai-guo XIONG Pei LUO Tao-tao LI Guo-feng |
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| Affiliation: | CHENG Qiu-ju1,2,HU Ai-guo1,XIONG Pei2,LUO Tao-tao3,LI Guo-feng2(1.College of Energy Resources,Chengdu University of Technology,Chengdu 610059,China,2.Engineering and Technology Research Institute,SINOPEC North Branch,Zhengzhou 450006,3.Drilling and Production Research Institute,Sichuan-Chuanqing United Drilling & Exploration Engineering Company,Guanghan 618300,China) |
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| Abstract: | Foam fracturing fluid system for coal was optimized.By measuring the performance of nitrogen foam fracturing fluid,the results showed that:the viscosity of 0.25%SL-1+0.25%SL-2+0.5%ABS+0.2%PAM system remained stable at 50 mPa · s after shear at the rate of 145 s-1,filtration coefficient was only 1.54×10-5 m/min1/2,settling velocity of ceramic was accounted 0.004 5% of water.The damage rate to the coal of foam system was only 20.8%(compared to 79.4% of guar gum),the damage of foam system was far less than for conventional fracturing fluid.The foam fracturing fluid will not block the coal porosity.Thus,0.25%SL-1+0.25%SL-2+0.5%ABS+ 0.2%PAM system was suitable fracturing system for coalbed methane wells. |
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| Keywords: | CBM foam fracturing fluid performance evaluation harmful research |
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