| 海上稠油油藏蒸汽吞吐注采参数正交优化设计 |
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| 引用本文： | 张贤松,李延杰,陈会娟,谢晓庆,张艳玉.海上稠油油藏蒸汽吞吐注采参数正交优化设计[J].重庆大学学报(自然科学版),2015,38(3):80-85. |
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| 作者姓名： | 张贤松 李延杰 陈会娟 谢晓庆 张艳玉 |
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| 作者单位： | 1. 中海油研究总院,北京,100027;2. 中国石油大学 华东 石油工程学院,山东 青岛,266580 |
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| 基金项目： | 国家科技重大专项资助项目(2011ZX05024-005)。Supported by National Science and Technology Major Project of the Ministry of Science and Technology of China(2011ZX05024-005)． |
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| 摘 要： | 以渤海油田某稠油油藏为典型区块,根据海上油田特点建立基础方案,运用正交试验设计和数值模拟方法对该区块蒸汽吞吐过程中的注汽强度、注汽速度、井底蒸汽干度、蒸汽温度、焖井时间和产液速度进行研究,并采用直观分析法和方差分析法对试验结果进行分析。结果表明,该区块蒸汽吞吐的最优生产方案为注汽强度为20t/m,注汽速度为250m3/d,井底蒸汽干度为0.5,蒸汽温度为340℃,焖井时间为5d,产液速度为200m3/d,并得到了各注采参数对开发效果的影响程度大小依次为注汽强度井底蒸汽干度产液速度注汽速度蒸汽温度焖井时间。该结果对于海上矿场蒸汽吞吐注采参数的优化具有一定的指导意义。
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| 关 键 词： | 海上稠油 蒸汽吞吐 注采参数 正交设计 优化 |
| 收稿时间： | 1/6/2015 12:00:00 AM |
Orthogonal optimization design of injection and production parameters in cyclic steam stimulation in offshore heavy oil reservoirs |
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| ZHANG Xiansong,LI Yanjie,CHEN Huijuan,XIE Xiaoqing and ZHANG Yanyu.Orthogonal optimization design of injection and production parameters in cyclic steam stimulation in offshore heavy oil reservoirs[J].Journal of Chongqing University(Natural Science Edition),2015,38(3):80-85. |
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| Authors: | ZHANG Xiansong LI Yanjie CHEN Huijuan XIE Xiaoqing and ZHANG Yanyu |
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| Affiliation: | General Research Institute, CNOOC, Beijing 100027, P.R.China;,General Research Institute, CNOOC, Beijing 100027, P.R.China;,College of Petroleum Engineering, China University of PetroleumEast China, Qingdao, Shandong 266580, P.R.China,General Research Institute, CNOOC, Beijing 100027, P.R.China; and College of Petroleum Engineering, China University of PetroleumEast China, Qingdao, Shandong 266580, P.R.China |
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| Abstract: | Based on a heavy oil reservoir in Bohai oilfield,a numerical simulation model of cyclic steam stimulation is built based on the characteristics of offshore oilfields.The orthogonal experimental design and numerical simulation are used to optimize the steam injection intensity,steam injection rate,bottom hole steam quality,steam temperature,soaking time and liquid producing capacity.The visual analysis and variance analysis are used to analyze the results.The results show the optimized injection and production parameters are steam strength 20 t/m,steam injection rate 250 m3/d,the bottom steam quality 0.5,steam injection temperature 340 ℃,soaking time 5d,and the production rate 200 m3/d.The influence factors on the effect of steam soaking decreased gradually in the following order:steam strength,the bottom steam quality,the production rate,steam injection rate,steam injection temperature,and soaking time.The results can provide theoretical guidance for injection and production parameters optimization of steam huff and puff in offshore heavy oil reservoirs. |
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| Keywords: | offshore heavy oil cyclic steam simulation injection and production parameters orthogonal experimental design optimization |
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