基于模糊综合评判模型的蒸汽吞吐注采参数优化设计方法的研究

方法根据正交设计法和模糊数学原理，提出了一套完善的对蒸汽吞吐注采参数进行优化设计的模糊综合评判模型，并通过计算实例进行分析。目的优化蒸汽吞吐注采参数，提高稠油油藏开发效果。结果该方法能综合考虑蒸汽吞吐过程中各项技术、经济指标的影响，在注采参数优化设计的同时，能够考虑各参数之间交互作用的影响；草20块蒸汽吞吐各注采参数对开发效果的敏感程度依次为：生产井流压、注汽干度、周期注汽量、注汽量递增方式、注汽速度、周期极限产量。结论基于模糊综合评判模型的蒸汽吞吐注采参数的优化设计方法．其优化结果与现场实际较为符合，通过完善可成为优化稠油油藏开发管理的有效方法。

Research on the optimizing designing method of injection-production parameters of steam soak on basis of fuzzy comprehensive judgement model

Method A complete set of fuzzy comprehensive judgement model used for optimizingdesigning injection-production parameters of steam soak is presented according to quadraturedesign method and fuzzy mathematics. This paper also presents calculation examples for analyzing. Purpose To optimize the injection-production parameters of steam soak and to improve the development result of heavy oil reservoirs. Result This method comprehensivelyconsiders the effects of each technical and economic target during steam soaking;it also considers the interactive effects among each of the parameters when designing optimal injectionproduction parameters;the scnsitivity order of injection-production parameters of steam soakto development result in block Cao 20 successively is flowing pressure of production well,steam quality, cyclic steam injection rate, progressive increase mode of steam injection rate,steam injection rate, and cyclic threshlod output. Conclusion The optimizing result of theoptimzing designing method of injection-production parameters of steam soak on basis offuzzy comprehensive judgement model tallies well with field practice; it may become an efficient management method for optimizing heavy oil development.