一种计算吞吐转汽驱采收率提高值的快速方法
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摘要
为明析影响蒸汽驱开发效果的主控因素、评价部分条件不满足蒸汽驱筛选标准的油藏转驱适应性及计算转驱后采收率提高幅度,根据蒸汽驱筛选标准,利用油藏数值模拟方法,通过正交试验和多元回归方法,得出转蒸汽驱采收率提高值与3个主控因素的计算公式。以胜利油田2个稠油区块为例进行验证,新公式计算结果和矿场实际一致,可靠性高。该公式可用作快速评价油藏转蒸汽驱潜力的大小和合理安排不同区块转蒸汽驱的工作。
In order to determine the main influence factors in steam flooding and evaluate steam flooding adaptability in heavy oil fields, which are not fully compliant with the screening criteria for steam flooding, according to the criteria, using reservoir numerical simulation method, through orthogonal test and multiple regression method, the calculation formula between enhanced oil recovery by steam flooding and 3 factors are obtained. Taking the 2 blocks of Shengli oilfield as an example, the computing results of the new formula are consistent with the actual field. The new formula can be used to evaluate the potential converting to steam flooding.
In order to determine the main influence factors in steam flooding and evaluate steam flooding adaptability in heavy oil fields, which are not fully compliant with the screening criteria for steam flooding, according to the criteria, using reservoir numerical simulation method, through orthogonal test and multiple regression method, the calculation formula between enhanced oil recovery by steam flooding and 3 factors are obtained. Taking the 2 blocks of Shengli oilfield as an example, the computing results of the new formula are consistent with the actual field. The new formula can be used to evaluate the potential converting to steam flooding.
引文
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[15]王冰,刘月田,马翠玉,等.凝析气单井吞吐采油注采参数优化设计[J].岩性油气藏,2012,24(5):107–110
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[2]蒋生健.齐40块中深层稠油蒸汽驱技术研究及其应用[D].大庆:大庆石油学院,2008
[3]任芳祥,孙洪军,户昶昊.辽河油田稠油开发技术与实践[J].特种油气藏,2012,19(1):1–8
[4]任芳祥.油藏立体开发探讨[J].石油勘探与开发,2012,39(3):320–325
[5]束青林,王宏,孙建芳.孤岛油田稠油油藏高轮次吞吐后提高采收率技术研究与实践[J].油气地质与采收率,2010,17(6):61–64
[6]孙新革,马鸿,赵长虹,等.风城超稠油蒸汽吞吐后期转蒸汽驱开发方式研究[J].新疆石油地质,2015,36(1):61–64
[7]王学忠.春风油田浅层超稠油开发效果评价[J].当代石油石化,2014,22(4):12–18
[8]高海红,程林松,赵梅,等.稠油油藏蒸汽驱筛选的模糊综合评判[J].西南石油大学学报,2007,29(3):53–56
[9]陈亚伟,吴孟,孙元龙,等.基于熵权—可拓学的稠油油藏蒸汽驱筛选方法[J].油气田地面工程,2013,32(9):21–23
[10]李卉,李春兰,赵启双,等.影响水平井蒸汽驱效果地质因素分析[J].特种油气藏,2010,17(1):75–84
[11]田鸿照,孙野.直井与水平井组合吞吐转汽驱操作参数优选[J].岩性油气藏,2013,25(3):127–130
[12]李艳玲.稠油油藏蒸汽驱地质影响因素研究[J].特种油气藏,2009,16(5):58–90
[13]于海涛.注汽干度对驱油效果的影响研究[J].科学技术与工程,2012,12(12):2981–2982
[14]张宇,钟海全,李永臣,等.底水气藏大斜度井开发优化设计研究[J].岩性油气藏,2015,27(2):114–118
[15]王冰,刘月田,马翠玉,等.凝析气单井吞吐采油注采参数优化设计[J].岩性油气藏,2012,24(5):107–110
[16]章威,李廷礼,刘超,等.底水油藏直井水锥形态的定量描述新方法[J].天然气与石油,2014,32(3):34–37
[17]李先鹏.胶结指数的控制因素及评价方法[J].岩性油气藏,2008,20(4):105–108
[18]张凤奇,庞雄奇,冷济高.辽河西部凹陷岩性圈闭含油性定量预测模型[J].岩性油气藏,2008,20(2):114–118