稠油水平井多元热流体吞吐井间窜流规律研究
Study on Cross Well Steam Channeling Regularity of Horizontal Well Multi-Component Thermal Fluid Stimulation in Heavy Reservoir
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- 引用格式:
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姜,杰,宫汝祥,李敬松,孙永涛,杨,兵.稠油水平井多元热流体吞吐井间窜流规律研究[J].天然气与石油,2014,32(5):0.doi:
Jiang Jie, Gong Ruxiang, Li Jingsong, Sun Yongtao, Yang Bing.Study on Cross Well Steam Channeling Regularity of Horizontal Well Multi-Component Thermal Fluid Stimulation in Heavy Reservoir[J].Natural Gas and Oil,2014,32(5):0.doi:
- DOI:
- 作者:
- 姜 杰 宫汝祥 李敬松 孙永涛 杨 兵
Jiang Jie, Gong Ruxiang, Li Jingsong, Sun Yongtao, Yang Bing
- 作者单位:
- 中海油田服务股份有限公司油田生产研究院
CNOOC Oilfield Services Co., Ltd. Oil Production Research Institute
- 关键词:
- 多元热流体；窜流规律；水平井
Multielement thermal fluid; Crosswell steamchanneling; Regularity; Horizontal well
- 摘要:
- 稠油多轮次吞吐热采过程中的井间窜流对热采整体效益影响很大，目前的研究主要是定性分析，难以评价其影响程度。在分析水平井多元热流体吞吐窜流特征基础上，通过数值模拟方法从储层物性、流体黏度及生产动态三个角度，定量研究了窜流影响因素的敏感性大小，并引入“变异系数法”筛选出关键影响因素。通过分析得出关键影响因素为渗透率、油层厚度、注入强度、注采压差。该研究结果可为制定降低热采井窜流风险措施提供参考。
Cross well steam channeling will effect the whole thermal recovery in the process of heavy oil multiple cyclic steam stimulation. Current study is mainly qualitative analysis, difficult to evaluate its affection degree. Analyzed are main causes of the cross well steam channeling, applied is numerical simulation method to study sensitivity of channeling influence factor qualitatively from the angles of reservoir physical properties, fluid viscosity and production performance and introduced is the “variation coefficient method” to screen out key influence factors. Analysis results show that the key influence factors are permeability, reservoir thickness, injection intension and pressure difference between injection and production, which can provide reference for development of measures for reducing cross well steam channeling risk.
