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二连盆地蒙古林砾岩油藏阿三段储层宏观非均质性及剩余油分布研究 被引量:9
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作者 李继红 曲志浩 +2 位作者 岳乐平 肖伟 杨亚娟 《石油实验地质》 CAS CSCD 2003年第2期153-157,共5页
该文应用二连盆地蒙古林砾岩油藏的动、静态资料,对砾岩储层的宏观非均质性作了精细描述。蒙古林砾岩储层属于辫状河三角洲沉积,沉积条件和成岩作用不仅控制了储层的宏观展布、层内韵律、隔夹层分布和孔、渗的变化,而且使得砾岩储层具... 该文应用二连盆地蒙古林砾岩油藏的动、静态资料,对砾岩储层的宏观非均质性作了精细描述。蒙古林砾岩储层属于辫状河三角洲沉积,沉积条件和成岩作用不仅控制了储层的宏观展布、层内韵律、隔夹层分布和孔、渗的变化,而且使得砾岩储层具有明显的分区性,西北区表现为块状结构,向东南区逐渐变为层状结构。同时结合砾岩油藏的地质特征和注采方式等方面的研究,指出剩余油分布受沉积微相、构造条件、注采方式和增产措施等因素的控制。特高含水期的剩余油分布主要集中于局部构造相对高部位,块状结构区的锥间带,以及层状结构区两口注水井间油层的上部;水下河道微相的储层以中到低渗为主,水驱效率不高,仍为剩余油相对富集区。 展开更多
关键词 余油分布 储层非均质性 砾岩 二连盆地
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剩余油分布解释技术在胜利油区的应用
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作者 霍树义 李厚裕 徐金武 《油气采收率技术》 CSCD 1994年第2期53-58,共6页
在油藏开发过程中,剩余油分布是人们普遍关心的问题,胜利油区注水开发时,由于油藏层系多,岩性复杂,非均质严重,因此,层间、层内不同部位水淹程度差别较大,各口井或区块剩余油分布也是不同的。文中着重阐述单层层内、同一层在平... 在油藏开发过程中,剩余油分布是人们普遍关心的问题,胜利油区注水开发时,由于油藏层系多,岩性复杂,非均质严重,因此,层间、层内不同部位水淹程度差别较大,各口井或区块剩余油分布也是不同的。文中着重阐述单层层内、同一层在平面上、单井剖面剩余油分布以及绘制多井剩余油分布剖面。最后,得出了几点重要看法。特别指出,根据剩余油分布的实际情况,采取适当措施后,可进一步挖掘油藏潜力。 展开更多
关键词 余油分布 饱和度 生产测井 测井解释
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关于油田精细化注水的思考 被引量:9
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作者 李迎九 宋新民 +1 位作者 尹旭 李玉彤 《石油科技论坛》 2007年第4期58-61,共4页
扶余油田是一个注水开发近40年的老油田,历史上出现的注水问题多、解决方法多和积累的经验也多。经过长期的探索,吉林油田的注水工作逐步趋于合理。但随着油田新一轮调整和储层油水分布进一步复杂,注水再次面临新的问题和新的挑战。本... 扶余油田是一个注水开发近40年的老油田,历史上出现的注水问题多、解决方法多和积累的经验也多。经过长期的探索,吉林油田的注水工作逐步趋于合理。但随着油田新一轮调整和储层油水分布进一步复杂,注水再次面临新的问题和新的挑战。本文从油田注水历史、注水现状和剖面产状特点,系统分析了油田实施精细化注水的可行性、必要性和紧迫性,对指导区块下步长期稳产和提高水驱采收率具有重要意义。 展开更多
关键词 精细注水剩 余油分布
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大庆油田中区西部密井网开发试验 被引量:3
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作者 郑俊德 赵世远 +2 位作者 高洪印 史春华 张梦生 《大庆石油学院学报》 EI CAS 北大核心 1995年第3期13-16,共4页
选择大庆油田中区西部为密井网开发试验区。该试验区原有油水井24口。密井网共布油水井70口,井网密度由原来的17口/km^2增加到88.0口/km^2。根据密井网开发试验区资料,通过对单砂体精细地质解剖,水淹测井解释、分层测试、新钻井的密闭... 选择大庆油田中区西部为密井网开发试验区。该试验区原有油水井24口。密井网共布油水井70口,井网密度由原来的17口/km^2增加到88.0口/km^2。根据密井网开发试验区资料,通过对单砂体精细地质解剖,水淹测井解释、分层测试、新钻井的密闭取芯。动静态综合分析以及密井网投产效果分析认为,中区西部砂体的总体面貌变化不大.剩余油的潜力主要集中在注采不完善,成片的差油层和内,外前缘外相Ⅱ类砂体中;薄差油层的水淹程度比原来预计的高。如何利用现有的工艺配套技术挖掘顶部剩余油潜力,是油田开发后期的重要研究课题。 展开更多
关键词 密井网 余油分布 田开发 大庆
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油田开发后期地质分析
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作者 姚立军 孙鹏 《云南化工》 CAS 2018年第5期175-175,共1页
分析了油田开发后期中如何划分流体单元,并通过分析和研究地球化学,研究微构造、储层等方面的内容。
关键词 田开发后期 流动单元划分 余油分布
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A model study of residual oil distribution jointly using crosswell and borehole-surface electric potential methods 被引量:5
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作者 苏本玉 藤光康宏 +1 位作者 徐敬领 宋建勇 《Applied Geophysics》 SCIE CSCD 2012年第1期19-26,114,共9页
Although high resolution can be provided by electrical logging, the measured electrical log range is narrow and is limited to near the well. Borehole-surface electric potential measurements are able to detect a wide e... Although high resolution can be provided by electrical logging, the measured electrical log range is narrow and is limited to near the well. Borehole-surface electric potential measurements are able to detect a wide enough range but its resolution is limited, particularly for reservoirs with complex oil and water distribution or complicated structure. In this study, we attempt to accurately locate the 3-D reservoir water and oil distribution by combining borehole-surface and crosswell electric potentials. First, the distributions of oil and water in both vertical and horizontal directions are detected by the borehole-surface and erosswell electric potential methods, respectively, and then the measured crosswell potential result is used to calibrate the measured borehole-surface electric potential data to improve vertical resolution so that the residual oil distribution is determined in a lower half-space with three dimensions. The evaluation of residual oil distribution is obtained by investigation of differences between the simulation results of the reservoir with and without water flooding. The finite difference numerical simulation results prove that the spatial residual oil distribution can be effectively determined by combining the crosswell and borehole-surface electric potentials. 展开更多
关键词 electric potential residual oil distribution crosswell electric potential borehole-surface electric potential
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Technology and Practice of Stabiliing Oil Production and Controlling Water Cut in Kalamkas Oilfield in Central Asia 被引量:1
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作者 Qiu Lin 《China Oil & Gas》 CAS 2015年第4期48-54,共7页
In this paper, by in-depth geological research of Kalamkas Oilfield in Central Asia, the geological body has been re-ascertained; combined with fine study of reservoir engineering, based on the understanding of the di... In this paper, by in-depth geological research of Kalamkas Oilfield in Central Asia, the geological body has been re-ascertained; combined with fine study of reservoir engineering, based on the understanding of the distribution of remaining oil horizontal wells have been given full play to stabilizing oil production and controlling water cut, reducing the producing pressure drop, improving well productivity and other advantages, and the development and deployment has been optimized; horizontal wells have been applied to solve problems such as old well casing damages, shutting down wells, low-productivity and low- efficiency wells, and high water cut wells to improve the utilization rate of old wells; through separate layer system improved injection production pattern, adjustment wells have been optimized and deployed, and part measures wells have been preferably selected to tap the residual oil improve the degree of reserves control realize the stabilization of oil production and control of water cut in an old oilfield, and further improve the development effects. 展开更多
关键词 Oil production stabilization and water cut control Remaining oil Flooding pattern improvement Horizontal well Sidetracking horizontal well COUNTERMEASURE
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Application of Tracer Model in the Remaining Oil Distribution of 95 Block Oilfields of Central Plains
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作者 Xingjia Bai Xingwei Bai 《International English Education Research》 2014年第4期1-3,共3页
With the development and utilization of oil and gas fields, oil mining become more and more difficult. The remaining re- serves of oil in the oil distribution is difficult to confirm, in order to understand and grasp ... With the development and utilization of oil and gas fields, oil mining become more and more difficult. The remaining re- serves of oil in the oil distribution is difficult to confirm, in order to understand and grasp the distribution of the remaining oil in the reser-voir, calculated using tracer concentration methods used mathematical models to calculate the residual oil saturation in the reservoir, from the theoretical analysis of tracer migration process, you can more accurately determine the distribution of the remaining oil, this method has good prospects for development. 展开更多
关键词 TRACER Mathematical Model Tracer Production Curve Residual Oil Saturation
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Research on Influence of Micro Structure on Residual Oil Distribution
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作者 Xu Xin Cao Ying Li Lei 《International Journal of Technology Management》 2015年第2期127-129,共3页
Researching residual oil distribution not only is a difficulty in the world, but also is the pioneering research subject in different fields such as geology, physical geography and reservoir engineering. The modem geo... Researching residual oil distribution not only is a difficulty in the world, but also is the pioneering research subject in different fields such as geology, physical geography and reservoir engineering. The modem geology technique, well logging technology and reservoir engineering technique develops rapidly, which provides favorable conditions for researching residual oil distribution. 展开更多
关键词 detailed reservoir description residual oil distribution sedimentary characteristics heterogenous
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油田开发后期的地质研究
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作者 阿布都热合曼.麦合苏提 木亚赛尔.麦麦提艾力 《中国石油和化工标准与质量》 2013年第10期142-142,共1页
由于科学技术的不断提高,油田开发技术在我国也有了明显的进步。为使我国的石油开发业得到更好的发展,所以我们通过对大量的文献的调研,整理出下文用以讲述开发后期有关流动单元划分、流体势原理和地球化学的研究,并对微构造研究与储层... 由于科学技术的不断提高,油田开发技术在我国也有了明显的进步。为使我国的石油开发业得到更好的发展,所以我们通过对大量的文献的调研,整理出下文用以讲述开发后期有关流动单元划分、流体势原理和地球化学的研究,并对微构造研究与储层研究进行了详细的分析。 展开更多
关键词 田开发 后期地质研究 流动单元划分 余油分布
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DBT parameters and dynamic monitoring during reservoir development, and distribution region prediction of remaining oil:A case study on the Sha-3~3 oil reservoir in the Liubei region, Nanpu sag 被引量:1
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作者 XU YaoHui WANG TieGuan +2 位作者 CHEN NengXue YANG CuiMin WANG QiaoLi 《Science China Earth Sciences》 SCIE EI CAS 2012年第12期2018-2025,共8页
In this study, compositional characteristics of crude oil, including the variation of aliphatic, aromatic and pyrrolic nitrogen compounds, were systematically monitored and investigated in a high water-cut oil reservo... In this study, compositional characteristics of crude oil, including the variation of aliphatic, aromatic and pyrrolic nitrogen compounds, were systematically monitored and investigated in a high water-cut oil reservoir over a short time.The results showed that among the widely used parameters indicative of oil maturity and migration, tetramethyl/monomethyl DBT and tricyclic terpane/(tricyclic terpane+C30 hopanoid) varied remarkably, and a positive correlation was observed between these two parameters.The variation of each of these parameters during waterflooding development was correlated with the flow effect of crude promoted by the water drive in oil reservoirs.A solid consistency was observed among the results of numerical simulation and development; the direction and pathway of waterflooding crude was indicated by Tetramethyl/monomethyl DBT, and the distribution region prediction of remaining oil hereby obtained.Therefore, these two parameters could be used as molecular tracers for the oil during waterflooding.This study would be of practical significance for geochemical dynamic monitoring and reservoir development. 展开更多
关键词 DBT parameters geochemical dynamic monitoring distribution of remaining oil crude promoting Sha-33 oil reservoir in Liubei region
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