复杂河流相老油田开发后期剩余油主控因素与挖潜对策
|
摘要
M油田Z区属复杂河流相沉积的岩性-构造油藏,已有45年开发历史。储层非均质性强,井网变化形式多样等多方面因素综合作用,导致剩余油分布十分复杂。为认清剩余油分布并提出行之有效的挖潜对策,以动态监测资料和生产数据为历史拟合目标函数,开展建模与数模一体化研究,分析目标区剩余油主控因素与分布模式。研究归纳出制约剩余油分布的主控因素6类,横向主控因素:沉积相、井况、注采井网;纵向主控因素:韵律、构造、隔夹层。在此基础上,总结剩余油分布模式6类,横向分布模式:狭长带状、朵状、片状,纵向分布模式:阁楼油、屋顶油、孤岛状剩余油。结合生产实践,针对不同剩余油模式提出了相应的挖潜对策,可提高采收率3.18%。研究成果可为类似油田开发后期剩余油分析及挖潜调整思路提供借鉴和指导。
M oilfield Z area with 45 years production histories is a complex fluvial facies lithologic-structural reservoir. Strong reservoir heterogeneity, various well patterns and other factors caused complex residual oil distribution. In order to understand the distribution of the remaining oil potential and put forward effective countermeasures for potential tapping, using dynamic monitoring data and production data as historical fit objective function, the integration research of modeling and numerical simulation was carried out, main controlling factors and distribution mode of remaining oil in the target area were analyzed. Six control factors of remaining oil distribution were put forward as follows: sedimentary facies, well status, injection-production well patterns, rhythmic patterns, structure, and impervious interbeds. On this basis, six types of distribution pattern of remaining oil were come up with. Different potential tapping countermeasures according to different distribution patterns were put forward. The research results can provide reference and guidance for the analysis of residual oil and potential tapping.
M oilfield Z area with 45 years production histories is a complex fluvial facies lithologic-structural reservoir. Strong reservoir heterogeneity, various well patterns and other factors caused complex residual oil distribution. In order to understand the distribution of the remaining oil potential and put forward effective countermeasures for potential tapping, using dynamic monitoring data and production data as historical fit objective function, the integration research of modeling and numerical simulation was carried out, main controlling factors and distribution mode of remaining oil in the target area were analyzed. Six control factors of remaining oil distribution were put forward as follows: sedimentary facies, well status, injection-production well patterns, rhythmic patterns, structure, and impervious interbeds. On this basis, six types of distribution pattern of remaining oil were come up with. Different potential tapping countermeasures according to different distribution patterns were put forward. The research results can provide reference and guidance for the analysis of residual oil and potential tapping.
引文
[1]刘吉余,马志欣,吕靖.高含水期剩余油分布研究现状[J]石油地质与工程,2007,21(5):61-63.
[2]俞启泰.关于剩余油研究的探讨[J].石油勘探与开发,1997,24(2):46-50.
[3]林承焰,余成林,董春梅,等.老油田剩余油分布-水下分流河道岔道口生育油富集[J].石油学报,2011,32(5):829-834.
[4]董凤玲,周华东,李志萱,等.卫42断块特低渗油藏挖潜调整研究[J].岩性油气藏,2013(05):113-116+122.
[5]薛永超,程林松,张继龙.夹层对底水油藏开发及剩余油分布影响研究[J].西南石油大学学报:自然科学版,2010,32(3):101-106.
[6]张继龙,李春兰,程林松,等.底水油藏夹层控制模式及剩余油挖潜策略[J].油气田地面工程,2010,29(10):8-10.
[7]周炜,唐仲华,温静,等.应用数值模拟技术研究剩余油分布规律[J].断块油气藏,2010,17(3):325-329.
[8]张淑娟,刘大听,杨玉祥.任丘潜山油藏剩余油分布模式及挖潜方向[J].石油地质与工程,2007,21(5):50-54.
[9]崔文富.反韵律厚油层夹层分类及纵向剩余油分布模式[J].油气地质与采收率,2005,12(1):52-55.
[10]严科.三角洲前缘储层特高含水后期剩余油分布特征[J].特种油气藏,2014,21(5):20-23.
[11]廉培庆,李琳琳,程林松.气顶边水油藏剩余油分布模式及挖潜对策[J].油气地质与采收率,2012,19(3):101-103.
[12]朱志良,熊迪,岳渊洲,等.克拉玛依油田一东区克拉玛依组沉积相与剩余油分布关系研究[J].岩性油气藏,2013,(03):112-118.
[13]党胜国,权勃,闫建丽,等.小气顶低幅构造强底水油藏剩余油分布主控因素[J].油气地质与采收率,2016,23(1):129-133.
[14]石占中,张一伟,熊琦华,等.大港油田港东开发区剩余油形成与分布的控制因素[J].石油学报,2005,26(1):79-83.
[15]荣元帅,赵金洲,鲁新便,等.碳酸盐岩缝洞型油藏剩余油分布模式及挖潜对策[J].石油学报,2014,35(6):1138-1146.
[16]Wang Jing,Liu Huiqing,Xu Jie,et al.Formation mechanism and distribution law of remaining oil in fracture-cavity reservoirs[J].Petroleum Exploration and Development,2012,39(5):624-629.
[17]王友净,林承焰,董春梅,等.长堤断裂带北部地区剩余油控制因素与挖潜对策[J].中国石油大学学报(自然科学版),2006(04):12-16.
[18]胡浩.基于砂体结构的剩余油挖潜调整措施研究[J].岩性油气藏,2016(04):113-120.
[19]赵伦,梁宏伟,张祥忠,等.砂体构型特征与剩余油分布模式——以哈萨克斯坦南图尔盖盆地Kumkol South油田为例[J].石油勘探与开发,2016(03):433-441.
[20]熊陈微,林承焰,任丽华,等.缝洞型油藏剩余油分布模式及挖潜对策[J].特种油气藏,2016(06):97-101+146.
[2]俞启泰.关于剩余油研究的探讨[J].石油勘探与开发,1997,24(2):46-50.
[3]林承焰,余成林,董春梅,等.老油田剩余油分布-水下分流河道岔道口生育油富集[J].石油学报,2011,32(5):829-834.
[4]董凤玲,周华东,李志萱,等.卫42断块特低渗油藏挖潜调整研究[J].岩性油气藏,2013(05):113-116+122.
[5]薛永超,程林松,张继龙.夹层对底水油藏开发及剩余油分布影响研究[J].西南石油大学学报:自然科学版,2010,32(3):101-106.
[6]张继龙,李春兰,程林松,等.底水油藏夹层控制模式及剩余油挖潜策略[J].油气田地面工程,2010,29(10):8-10.
[7]周炜,唐仲华,温静,等.应用数值模拟技术研究剩余油分布规律[J].断块油气藏,2010,17(3):325-329.
[8]张淑娟,刘大听,杨玉祥.任丘潜山油藏剩余油分布模式及挖潜方向[J].石油地质与工程,2007,21(5):50-54.
[9]崔文富.反韵律厚油层夹层分类及纵向剩余油分布模式[J].油气地质与采收率,2005,12(1):52-55.
[10]严科.三角洲前缘储层特高含水后期剩余油分布特征[J].特种油气藏,2014,21(5):20-23.
[11]廉培庆,李琳琳,程林松.气顶边水油藏剩余油分布模式及挖潜对策[J].油气地质与采收率,2012,19(3):101-103.
[12]朱志良,熊迪,岳渊洲,等.克拉玛依油田一东区克拉玛依组沉积相与剩余油分布关系研究[J].岩性油气藏,2013,(03):112-118.
[13]党胜国,权勃,闫建丽,等.小气顶低幅构造强底水油藏剩余油分布主控因素[J].油气地质与采收率,2016,23(1):129-133.
[14]石占中,张一伟,熊琦华,等.大港油田港东开发区剩余油形成与分布的控制因素[J].石油学报,2005,26(1):79-83.
[15]荣元帅,赵金洲,鲁新便,等.碳酸盐岩缝洞型油藏剩余油分布模式及挖潜对策[J].石油学报,2014,35(6):1138-1146.
[16]Wang Jing,Liu Huiqing,Xu Jie,et al.Formation mechanism and distribution law of remaining oil in fracture-cavity reservoirs[J].Petroleum Exploration and Development,2012,39(5):624-629.
[17]王友净,林承焰,董春梅,等.长堤断裂带北部地区剩余油控制因素与挖潜对策[J].中国石油大学学报(自然科学版),2006(04):12-16.
[18]胡浩.基于砂体结构的剩余油挖潜调整措施研究[J].岩性油气藏,2016(04):113-120.
[19]赵伦,梁宏伟,张祥忠,等.砂体构型特征与剩余油分布模式——以哈萨克斯坦南图尔盖盆地Kumkol South油田为例[J].石油勘探与开发,2016(03):433-441.
[20]熊陈微,林承焰,任丽华,等.缝洞型油藏剩余油分布模式及挖潜对策[J].特种油气藏,2016(06):97-101+146.