| 油气开发中液态CO_2在低压气层压裂改造中的应用 |
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| 引用本文： | 孙永鹏.油气开发中液态CO_2在低压气层压裂改造中的应用[J].地球科学与环境学报,2001,23(4). |
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| 作者姓名： | 孙永鹏 |
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| 作者单位： | 长庆油田公司 |
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| 摘 要： | 对低压低渗气层进行压裂改造是必须的 ,常规水力压裂改造后液体返排速度慢、程度低的问题是客观存在的 ,由此而引起的二次污染是影响工艺效果的主要因素。用液态CO2 与水基压裂液的混合液作为新的压裂液 ,不会使压裂工艺水平降低 ,在很大程度上解决了上述问题
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| 关 键 词： | 低压气层改造 CO2应用 用量确定 |
APPLICATION OF LIQUID CO_2 IN HYDROFRACTURING REFORMATION OF LOW PRESURE GAS BEDS |
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| SUN Yong,peng.APPLICATION OF LIQUID CO_2 IN HYDROFRACTURING REFORMATION OF LOW PRESURE GAS BEDS[J].Journal of Earth Sciences and Environment,2001,23(4). |
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| Authors: | SUN Yong peng |
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| Abstract: | It is necessary to reform the low presure, low gas permiability beds in development of oil gas. When the conventional method of hydrofracturing is used, liquid redrainage is low both in speed and in cmpleteness. Furthermore, the secondary pollution thus resultsd is a major factor affecting the techoloigcal process. A new hydrofracturing liquid can be produced by mixing liquidus CO 2with water based liquids, and the new product solved the above mentioned problems to a high extent. |
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| Keywords: | Peformation of low presure gas bed Application of CO 2 Determination of quantity |
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