Special Oil & Gas Reservoirs >

2024 , Vol. 31 >Issue 5: 102 - 109

DOI: https://doi.org/10.3969/j.issn.1006-6535.2024.05.012

Reservoir Engineering

The Influence of Low Permeability Interlayers Distribution on the Seepage Law of Positive Rhythm Heterogeneous Reservoir

  • Zhang Xiangyu ,
  • Yu Tiantian ,
  • Li Aifen ,
  • Zhang Zhongping ,
  • Zheng Wangang ,
  • Chu Wei ,
  • Ma Aiqing ,
  • Feng Haishun
Expand
  • 1. Sinopec Shengli Oilfield Company,Chunliang Oil Production Plant,Binzhou,Shandong 256600,China;
    2. Sinopec Shengli Oilfield Company,Petroleum Engineering Technology Research Institute,Dongying,Shandong 257000,China ;
    3. Shandong Key Laboratory of Heavy Oil Exploitation Technology,Dongying,Shandong 257000,China;
    4. China University of Petroleum (East China,Qingdao,Shandong 266000,China

Received date: 2023-09-30

  Revised date: 2024-06-28

  Online published: 2024-12-24

Fold

Abstract

Aiming at the problems occuring after water flooding,such as intensified reservoir heterogeneity,rapid increase of water content,complex distribution of remaining oil,and difficult to improve oil recovery,the study on the influence of low permeability interlayers distribution on the seepage law of positive rhythm heterogeneous reservoirs was conducted.The reservoir numerical simulation software CMG was adopted to simulate the water flooding process of the positive rhythm reservoir with interlayer.At the same time,the sand filling physical model of the positive rhythm heterogeneous reservoir was established based on the similarity criterion,and the water flooding experiment was carried out.Also,the accuracy of the numerical model is verified by the results of physical simulation experiments.On this basis,the influence of interlayer position on the seepage law of positive rhythm reservoir is analyzed.The research shows that the existence of interlayer increases the interlayer heterogeneity,plays the role of seepage barrier,and expands the swept volume.After water flooding,the remaining oil in the positive rhythm reservoir would display a distribution pattern featuring "more top and less bottom" under gravitation,which indicates that the area near the interlayer is the main region of remaining oil enrichment.This study is of great significance for further tapping the potential of remaining oil and sustainable development of oilfield.

Key words： low permeability interlayers; heterogeneity; positive rhythm reservoirs; seepage law; remaining oil

Cite this article

Zhang Xiangyu , Yu Tiantian , Li Aifen , Zhang Zhongping , Zheng Wangang , Chu Wei , Ma Aiqing , Feng Haishun . The Influence of Low Permeability Interlayers Distribution on the Seepage Law of Positive Rhythm Heterogeneous Reservoir[J]. Special Oil & Gas Reservoirs, 2024 , 31(5) : 102 -109 . DOI: 10.3969/j.issn.1006-6535.2024.05.012

References

[1] 岳大力,吴胜和,林承焰,等.礁灰岩油藏隔夹层控制的剩余油分布规律研究[J].石油勘探与开发,2005,32(5):113-117.
YUE Dali,WU Shenghe,LIN Chengyan,et al.Remaining oil distribution controlled by intercalation in reef limestone reservoir[J].Petroleum Exploration and Development,2005,32(5):113-117.
[2] 李伟才,姚光庆,周锋德,等.低渗透油藏不同流动单元并联水驱油[J].石油学报,2011,32(4):658-663.
LI Weicai,YAO Guangqing,ZHOU Fengde,et al.Water displacing oil efficiency with cores grouped in parallel of different flow units in low-permeability reservoirs[J].Acta Petrolei Sinica,2011,32(4):658-663.
[3] ZHANG X,LIU D X,LI L L,et al.Synergistic effects of surfactants on depressurization and augmented injection in high salinity low-permeability reservoirs:formula development and mechanism study[J].Colloids and Surfaces A:Physicochemical and Engineering Aspects,2021,628(5):127312.
[4] 慕立俊,李向平,喻文锋,等.超低渗透油藏水平井重复压裂新老缝合理配比研究[J].石油钻探技术,2023,51(3):97-104.
MU Lijun,LI Xiangping,YU Wenfeng,et al.Research on the optimal proportions of the new and old fractures in refracturing of horizontal wells in ultra-low permeability reservoirs[J].Petroleum Drilling Techniques,2023,51(3):97-104.
[5] 达引朋,李建辉,王飞,等.长庆油田特低渗透油藏中高含水井调堵压裂技术[J].石油钻探技术,2022,50(3):74-79.
DA Yinpeng,LI Jianhui,WANG Fei,et al.Fracturing technologies with profile control and water shutoff for medium and high water-cut wells in ultra-low permeability reservoirs of Changqing Oilfield[J].Petroleum Drilling Techniques,2022,50(3):74-79.
[6] 朱丽红,杜庆龙,姜雪岩,等.陆相多层砂岩油藏特高含水期三大矛盾特征及对策[J].石油学报,2015,36(2):210-216.
ZHU Lihong,DU Qinglong,JIANG Xueyan,et al.Characteristics and strategies of three major contradictions for continental facies multi-layered sandstone reservoir at ultra-high water cut stage[J].Acta Petrolei Sinica,2015,36(2):210-216.
[7] 徐艳梅,郭平,黄伟岗,等.剩余油分布的影响因素[J].西南石油学院学报,2005,27(6):29-32,100-101.
XU Yanmei,GUO Ping,HUANG Weigang,et al.Factors that influenced remaining oil distribution[J].Journal of Southwest Petroleum University,2005,27(6):29-32,100-101.
[8] 张吉,张烈辉,胡书勇.陆相碎屑岩储层隔夹层成因、特征及其识别[J].大庆石油地质与开发,2003,22(4):1-3,75.
ZHANG Ji,ZHANG Liehui,HU Shuyong.The genesis and characteristics and identification of intercalations in reservoir of clastic rock[J].Daqing Petroleum Geology & Oilfield Development in Daqing,2003,22(4):1-3,75.
[9] 韩玉娇.基于AdaBoost机器学习算法的大牛地气田储层流体智能识别[J].石油钻探技术,2022,50(1):112-118.
HAN Yujiao.Intelligent fluid identification based on the adaboost machine learning algorithm for reservoirs in Daniudi Gas Field[J].Petroleum Drilling Techniques,2022,50(1):112-118.
[10] TAN J,CHEN J,ZHANG Z,et al.Identification of interlayer in strong bottom water reservoir and its influence on development effect[J].Journal of Geoscience and Environment Protection,2022,10(7):132-138.
[11] 慕立俊,拜杰,齐银,等.庆城夹层型页岩油地质工程一体化压裂技术[J].石油钻探技术,2023,51(5):33-41.
MU Lijun,BAI Jie,QI Yin,et al.Geological engineering integrated fracturing technology for Qingcheng interlayer shale oil[J].Petroleum Drilling Techniques,2023,51(5):33-41.
[12] KOONCE K T,DOWNEY G L,FLOHR R A.PD 6(2) reservoir management at prudhoe bay[C].WPC-20208,1983:1-2.
[13] 曾昭英,张大为,赵春森.夹层对低渗透油层开发效果的影响[J].水动力学研究与进展(A辑),2002,17(1):108-115.
ZENG Zhaoying,ZHANG Dawei,ZHAO Chunsen.Effect of interbed on development effectiveness of low-permeability oil-bearing sand[J].Journal of Hydrodynamics(A Series),2002,17(1):108-115.
[14] 王延章,林承焰,温长云,等.夹层分布模式及其对剩余油的控制作用[J].西南石油学院学报,2006,28(5):6-10,109.
WANG Yanzhang,LIN Chengyan,WEN Changyun,et al.The distribution pattern of interlayers and its controlling function on remaining-oil[J].Journal of Southwest Petroleum University,2006,28(5):6-10,109.
[15] 王超,杨宏楠,乐平,等.隔夹层成因及其对剩余油分布的影响——以哈得油田东河砂岩油藏为例[J].新疆石油天然气,2019,15(4):1-2,15-20.
WANG Chao,YANG Hongnan,LE Ping,et al.Causes of interlayers and their impact on remaining oil distribution:a case study of the Donghe sandstone reservoir in Hade Oilfield[J].Xinjiang Petroleum and Gas,2019,15(4):1-2,15-20.
[16] 付超,谢玉洪,王晖,等.深水峡谷复合浊积砂体内隔夹层发育类型与沉积成因——以琼东南盆地中央峡谷为例[J].天然气工业,2023,43(5):23-33.
FU Chao,XIE Yuhong, WANG Hui,et al.Types and sedimentary genesis of barriers and interlayers in the composite turbidite sand bodies of deep-water canyon:a case study of the central canyon in the Qiongdongnan Basin[J].Natural Gas Industry,2023,43(5):23-33.
[17] 慕立俊,拜杰,齐银,等.庆城夹层型页岩油地质工程一体化压裂技术[J].石油钻探技术,2023,51(5):33-41.
MU Lijun,BAI Jie,QI Yin,et al.Geological engineering integrated fracturing technology for Qingcheng interlayer shale oil[J].Petroleum Drilling Techniques,2023,51(5):33-41.
[18] 纪佑军,程林松,刘其成,等.超稠油油藏蒸汽与非凝析气驱油数字化实验[J].石油学报,2010,31(4):602-606.
JI Youjun,CHENG Linsong,LIU Qicheng,et al.Digital experiment on steam and in-condensable gas push for extra heavy oil reservoir[J].Acta Petrolei Sinica,2010,31(4):602-606.
Options
Outlines

/

〈 〉