| 泡沫酸酸化工艺技术研究与应用 |
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| 引用本文： | 吴文瑞,李怀杰,孙支林,周冰欣.泡沫酸酸化工艺技术研究与应用[J].石油化工应用,2011,30(10):24-26,33. |
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| 作者姓名： | 吴文瑞 李怀杰 孙支林 周冰欣 |
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| 作者单位： | 中国石油长庆油田分公司第三采油厂,宁夏银川,750006 |
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| 摘 要： | 针对长庆靖安低压、低渗油藏常规酸化返排较困难,易造成油层二次污染的问题,利用泡沫流体在地层的气阻叠加原理效应,封堵高渗层,改善产液剖面,增加低渗层的酸化效果。泡沫酸酸化工艺技术在靖安油田某作业区油藏现场实施4口油井,增产效果100%。泡沫酸酸化工艺实现了分层酸化,具有工艺简单、排酸彻底、处理半径大、对储层损害小、酸液有效距离长等特点。该技术对改造层间矛盾突出的低渗油藏低产液井具有很好的应用潜力。
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| 关 键 词： | 泡沫酸 酸化工艺 气阻 应用 |
Research and application of foam fracturing technology |
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| WU Wenrui,LI Huaijie,SUN Zhilin,ZHOU Bingxin.Research and application of foam fracturing technology[J].Petrochemical Industry Application,2011,30(10):24-26,33. |
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| Authors: | WU Wenrui LI Huaijie SUN Zhilin ZHOU Bingxin |
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| Affiliation: | WU Wenrui,LI Huaijie,SUN Zhilin,ZHOU Bingxin (Oil Production Plant 3 of PetroChina Chongqing Oilfield Company,Yinchuan Ningxia 750006,China) |
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| Abstract: | Changqing Jing'an for low-voltage,low permeability reservoir of conventional acid backflow difficult,easy to cause secondary pollution problems reservoir,using a bubble of fluid in the formation of air resistance effect of the superposition principle,off the high permeability layer,to improve the production profile,effect of increasing acidification of low permeability layer.Foam fracturing technology in a work area in Jing'an Oilfield site implementation of the four wells,yield 100%.Foam fracturing technol... |
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| Keywords: | foam acid acidification air resistance application |
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