二类油层含水率与聚合物驱时机关系图版建立及应用

doi:10.3969/j.issn.1006-6535.2024.06.013

摘要/Abstract

摘要： 针对大庆油田二类油层地质条件差、聚合物驱开发规律复杂、聚合物驱时机难以确定的问题,运用数值模拟方法建立了二类油层典型地质模型,以油田开发常用的含水率指标作为控制参数,研究了含水率与聚合物驱时机的关系及对聚合物驱开发效果的影响规律,进而建立了含水率与聚合物驱时机关系图版,给出了确定二类油层区块合理聚合物驱时机的方法。研究表明:对于二类油层,区块开始注聚合物时机越早越好,但是停止注聚合物时机一般应选在区块含水率达到96.00%~97.00%时。应用效果表明:所建立的图版对于实际区块应用效果较好,可清晰呈现聚合物驱开发规律。该图版对聚合物驱或即将聚合物驱的区块确定合理的聚合物驱时机具有重要的指导意义。

关键词: 二类油层, 含水率, 聚合物驱时机, 影响规律, 关系图版

Abstract: To address the issue of poor geological conditions of the Class Ⅱ reservoirs in Daqing Oilfield,the complex development law of polymer flooding and the difficulty in determining the timing of polymer flooding,a typical geological model of the second-class reservoirs was established by numerical simulation method.Taking the water content index commonly used in oilfield development as the control parameter,the relationship between water content and polymer flooding timing and its influence on the development effect of polymer flooding were studied,and then the relationship between water content and polymer flooding timing was established.The method of determining the reasonable timing of polymer flooding in the Class Ⅱ reservoirs blocks is given.The research shows that the earlier the polymer injection timing is,the better it is for the Class Ⅱ reservoir blocks,but the timing of stopping polymer injection should generally be selected when the water content of the block reaches 96.00% to 97.00%.The application results show that the established chart is practical and effective for the actual block,and can clearly show the development law of polymer flooding.This chart has important predictive guiding significance for determining a reasonable polymer flooding timing for polymer flooding or the blocks that are about to be polymer flooding.

Key words: Class Ⅱ oil reservoirs, water cut, timing of polymer flooding, influence patterns, correlation chart

中图分类号:

TE357.46

魏长清, 周丛丛. 二类油层含水率与聚合物驱时机关系图版建立及应用[J]. 特种油气藏, 2024, 31(6): 106-113.

Wei Changqing, Zhou Congcong. Establishment and Application of Relationship Charts between Water Content in Class Ⅱ Oil Reservoirs and the Timing of Polymer Flooding[J]. Special Oil & Gas Reservoirs, 2024, 31(6): 106-113.

参考文献

[1] 周丛丛,白振强.大庆油田二类油层砂体分布规律与聚驱效果关系影响研究[J]. 化学工程与装备, 2019, 8(1):60-63.
ZHOU Congcong,BAI Zhenqiang.Study on the relationship between sand body distribution and polymer flooding effect in the second-type reservoirs of Daqing Oilfield[J].Chemical Engineering & Equipment,2019,8(1):60-63.
[2] 闫百泉,张树林,卢柏庆,等.大庆油田北二西二类油层非均质性特征研究[J].新疆石油学院学报,2004,16(1):27-30.
YAN Baiquan,ZHANG Shulin,LU Baiqing,et al.The heterogeneities specialty of better thick oil reservoir in the western area of Beier of Daqing Oilfield[J].Journal of Petroleum Educational Institute of Xinjiang,2004,16(1):27-30.
[3] 孙龙德,伍晓林, 周万富,等.大庆油田化学驱提高采收率技术[J]. 石油勘探与开发, 2018, 45(4):636-645.
SUN Longde,WU Xiaolin,ZHOU Wanfu,et al.Technologies of enhancing oil recovery by chemical flooding in Daqing Oilfield,NE China[J].Petroleum Exploration and Development,2018, 45(4):636-645.
[4] 廖广志,牛金刚,邵振波,等.大庆油田工业化聚合物驱效果及主要做法[J]. 大庆石油地质与开发, 2004,23(1):48-50.
LIAO Guangzhi,NIU Jin'gang,SHAO Zhenbo,et al.Application and experience of industrialized polymer flooding in Daqing Oilfield[J].Petroleum Geology & Oilfield Development in Daqing,2004,23(1):48-50.
[5] 佘庆东. 大庆油田二类油层聚合物驱油井含水率变化特征[J].油气地质与采收率,2008,15(6):71-74.
SHE Qingdong.Variation of water cut of polymer flooding oil wells in type Ⅱ oil layers,Daqing Oilfield[J].Petroleum Geology and Recovery Efficiency,2008,15(6):71-74.
[6] 周丛丛. 大庆油田一、二类油层聚合物驱注采指标变化规律[J].断块油气田,2015,22(5):610-613.
ZHOU Congcong.Variation laws of injection and production indexes of polymer flooding in primary and sub-layers in Daqing Oilfield[J].Fault-Block Oil & Gas Field,2015,22(5):610-613.
[7] 刘玉章.聚合物驱提高采收率技术[M].北京: 石油工业出版社,2006,45-68.
LIU Yuzhang.Polymer flooding enhanced oil recovery technology[M].Beijing:Petroleum industry press,2006,45-68.
[8] 刘广为,姜汉桥,王敏,等.聚合物驱增油量评价方法及应用[J].油气地质与采收率,2014,21(2):29-31.
LIU Guangwei,JIANG Hanqiao,WANG Min,et al.Study on calculation for polymer flooding incremental oil[J].Petroleum Geology and Recovery Efficiency,2014,21(2):29-31.
[9] 于少君,李斌会,李福全,等.不同注聚时机驱油效果室内物理模拟评价[J].内蒙古石油化工,2007,26(5):288-290.
YU Shaojun,LI Binhui,LI Fuquan,et al.Laboratory physical simulation evaluation of oil displacement effect at different polymer injection timings[J].Inner Mongolia Petrochemical Industry,2007,26(5):288-290.
[10] 蒋珊珊, 杨俊茹, 孙福街,等.海上油田注聚合物时机研究及现场应用[J]. 海洋石油, 2009, 29(3):37-42.
JIANG Shanshan,YANG Junru,SUN Fujie,et al.Research and application of early polymer flooding technology in offshore oil field[J].Offshore Oil,2009,29(3):37-42.
[11] 魏长清. 水驱开发油田合理注聚时机研究[J].中外能源,2015,20(1):70-73.
WEI Changqing.Research on reasonable polymer injection time for water flooding oilfields[J].Sino-Global Energy,2015,20(1):70-73.
[12] 张晓芹,关文婷,李霞,等. 大庆油区聚合物驱矿场合理停注聚时机及实施方法[J]. 油气地质与采收率,2015,22(11):88-92.
ZHANG Xiaoqin,GUAN Wenting,LI Xia,et al.Reasonable polymer injection stopping-time and methods for polymer flooding in the field of Daqing Oilfield[J].Petroleum Geology and Recovery Efficiency,2015,22(11):88-92.
[13] 沈非, 程林松, 黄世军,等. 不同注聚时机聚合物驱含水率变化规律研究[J]. 科学技术与工程, 2016, 16(17):149-152.
SHEN Fei,CHENG Linsong,HUANG Shijun,et al.Research on variation of polymer injection water-cut at different injection time[J].Science Technology and Engineering,2016,16(17):149-152.
[14] 郭文敏, 吕爱华,吴蔚,等.大庆油田聚合物驱特征评价方法及其应用[J].内蒙古石油化工,2010,29(11):1-3.
GUO Wenmin,LYU Aihua,WU Wei,et al.Evaluation method of polymer flooding characteristics in Daqing Oilfield and its application[J].Inner Mongolia Petrochemical Industry,2010,29(11):1-3.
[15] 周志军, 张国芳. 喇嘛甸油田二类油层聚合物驱指标变化规律[J]. 断块油气田, 2015, 22(5):614-618.
ZHOU Zhijun,ZHANG Guofang.Change regularity of development indexes of second type reservoir with polymer flooding in Lamadian Oilfield[J].Fault-Block Oil & Gas Field,2015,22(5):614-618.
[16] 马荣,原陇苗,刘艳红,等.甾烷类化合物分子印迹聚合物功能单体的筛选及MIPs制备[J].石油实验地质,2023,45(3):537-548.
MA Rong,YUAN Longmiao,LIU Yanhong,et al.Screening of functional monomers and preparation of molecularly imprinted polymers (MIPs) in molecularly imprinted polymers of steranes[J].Petroleum Geology & Experiment,2023,45(3):537-548.
[17] 张卓,王正欣,薛国勤,等.中高渗胶结油藏聚合物驱后非均相复合驱技术[J].新疆石油地质,2021,42(4):475-479.
ZHANG Zhuo, WANG Zhengxin, XUE Guoqin, et al.Heterogeneous compound flooding technology for medium-high permeability consolidated reservoir after polymer flooding[J]. Xinjiang Petroloeum Geology, 2021,42(4):475-479.
[18] 苏旭.聚合物驱多参数数值模拟自动历史拟合方法[J].油气地质与采收率,2022,29(5):102-110.
SU Xu. Automatic history matching method for multi-parameter numerical simulation of polymer flooding[J].Petroleum Geology and Recovery Efficiency,2022,29(5):102-110.
[19] 林魂,宋西翔,罗超,等.致密砂岩油藏裂缝与基质间渗吸特征及主控因素[J].油气地质与采收率,2022,29(5):133-140.
LIN Hun,SONG Xixiang,LUO Chao,et al.Dynamic imbibition characteristics between fractures and matrix in tight sandstone reservoirs and main controlling factor[J].Petroleum Geology and Recovery Efficiency,2022,29(5):133-140.
[20] 刘彦成,张亚飞,韩学婷,等.一种含水率预测模型的建立及应用[J].断块油气田,2023,30(2):308-311.
LIU Yancheng,ZHANG Yafei,HAN Xueting,et al.Establishment and application of a water cut prediction model[J].Fault-Block Oil & Gas Field,2023,30(2):308-311.
[21] 王伟,陈朝兵,许爽,等.鄂尔多斯盆地延长组致密砂岩不同尺度孔喉分形特征及其控制因素[J].石油实验地质,2022,44(1):33-40.
WANG Wei,CHEN Zhaobing,XU Shuang,et al.Fractal characteristics and its controlling factors of pore-throat with different scales in tight sandstones of the Yanchang Formation in the Ordos Basin[J].Petroleum Geology & Experiment,2022,44(1):33-40.
[22] 赵宁,王亮,张磊,等.基于粒径分类的致密砂岩力学特性及破坏特征研究——以鄂尔多斯盆地二叠系下石盒子组为例[J].石油实验地质,2022,44(4):720-729.
ZHAO Ning,WANG Liang,ZHANG Lei,et al.Mechanical properties and fracturing characteristics of tight sandstones based on granularity classification:a case study of Permian Lower Shihezi Formation,Ordos Basin[J].Petroleum Geology & Experiment,2022,44(4):720-729.