渤海湾盆地渤南洼陷沙四段岩相的岩石力学性质差异

李志鹏; 卜丽侠

doi:10.11781/sysydz201902228

渤海湾盆地渤南洼陷沙四段岩相的岩石力学性质差异

doi: 10.11781/sysydz201902228

李志鹏¹,
卜丽侠²

1. 中国石化胜利油田分公司勘探开发研究院, 山东东营 257015;
2. 中国石化胜利油田分公司东辛采油厂, 山东东营 257015

基金项目:

国家科技重大专项"渤海湾盆地济阳坳陷致密油开发示范工程"（2017ZX05072）和山东省胜利油田博士后课题"低渗透油藏相控地应力预测及其应用"（YKB1514）联合资助。

详细信息

作者简介:
李志鹏(1983-),男,博士,副研究员,从事油藏描述方面的研究。E-mail:lizhipeng20020015@126.com。

中图分类号: TE311
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出版历程
- 收稿日期: 2018-04-20
- 修回日期: 2019-02-13
- 刊出日期: 2019-03-28

Difference of lithofacies mechanical properties of the fourth member of Shahejie Formation in the Bonan Subsag, Bohai Bay Basin

LI Zhipeng¹,
BU Lixia²

1. Exploration and Development Research Institute, SINOPEC Shengli Oilfield, Dongying, Shandong 257015, China;
2. Dongxin Oil Exploration Plant, SINOPEC Shengli Oilfield, Dongying, Shandong 257015, China

摘要

摘要: 根据渤海湾盆地渤南洼陷沙四段低渗透油藏取心井资料，研究了其岩相类型，利用不同岩相常规三轴压缩实验分析资料，建立了静态岩石力学参数油藏围压条件的恢复图版，分析了不同岩相静态力学参数及应力-应变关系的差异性。渤南洼陷沙四段低渗透油藏可划分为粗粒砂岩相、细砂岩相、粉砂岩相、泥质砂岩相及碳酸盐质砂岩相5种岩相；同一岩相随着围压的不断增加杨氏模量变大，泊松比增加；随着岩相粒度变粗，存在杨氏模量增加、泊松比减小的整体趋势；粗粒砂岩相的泊松比不遵循整体趋势，较细粒砂岩相大，比粉砂岩相小；岩相粒度变粗，应力-应变关系越趋近线弹性，初始颗粒重排列塑性段变小，高应力塑性段变短。
- 岩相 /
- 力学性质 /
- 低渗透油藏 /
- 沙四段 /
- 始新统 /
- 渤南洼陷 /
- 渤海湾盆地
Abstract: Based on the data of well cores in low permeability reservoirs in the fourth member of Shahejie Formation in the Bonan Oilfield, the rock facies types were studied. Using conventional three axis compression test data of different lithofacies, restored static rock mechanical parameters were established under reservoir confining pressure conditions. The differences of static mechanical parameters and stress-strain relation between lithofacies were analyzed. The low permeability reservoirs in the Bonan Oilfield can be divided into 5 types: coarse grained sandstones, fine sandstones, siltstones, mudstones and carbonate sandstones. In the same rock, with the increasing confining pressure, the Young’s modulus becomes larger, and the Poisson’s ratio increases slightly. With the increase of rock gain size, the Young’s modulus increases and the Poisson’s ratio decreases. However, the Poisson’s ratio of coarse grained sandstones does not follow the overall trend, and is larger than that of fine sandstones and smaller than that of siltstones. As the grain size of rock becomes coarser, the stress-strain relation becomes more linear. And the initial grain rearrangement plastic section and the high stress plastic section become smaller.
- lithofacies /
- mechanical property /
- low permeability reservoir /
- fourth member of Shahejie Formation /
- Eocene /
- Bonan Subsag /
- Bohai Bay Basin

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参考文献(20)

[1]	谭成轩,孙叶,王连捷.地应力测量值得注意的若干问题[J].地质力学学报,2003,9(3):275-280. TAN Chengxuan,SUN Ye,WANG Lianjie.Some problems of in-situ crustal stress measurements[J].Journal of Geomechanics,2003,9(3):275-280.
[2]	景锋,盛谦,张勇慧,等.不同地质成因岩石地应力分布规律的统计分析[J].岩土力学,2008,29(7):1877-1883. JING Feng,SHENG Qian,ZHANG Yonghui,et al.Statistical analysis of geostress distribution laws for different rocks[J].Rock and Soil Mechanics,2008,29(7):1877-1883.
[3]	王珂,戴俊生,冯建伟,等.塔里木盆地克深前陆冲断带储层岩石力学参数研究[J].中国石油大学学报(自然科学版),2014,38(5):25-33. WANG Ke,DAI Junsheng,FENG Jianwei,et al.Research on reservoir rock mechanical parameters of Keshen Foreland Thrust Belt in Tarim Basin[J].Journal of China University of Petro-leum,2014,38(5):25-33.
[4]	杨海博,武云云.致密储层岩石的微观结构和力学性质试验分析[J].复杂油气藏,2011,4(3):10-15. YANG Haibo,WU Yunyun.The experimental analysis of microstructure and mechanical properties of tight reservoir rocks[J].Complex Hydrocarbon Reservoirs,2011,4(3):10-15.
[5]	祖克威,曾联波,刘喜中,等.厚层河道砂体地应力分布影响因素分析[J].地质力学学报,2014,20(2):149-158. ZU Kewei,ZENG Lianbo,LIU Xizhong,et al.Analysis of influencing factors for ground stress in channel sandstone[J].Journal of Geomechanics,2014,20(2):149-158.
[6]	秦向辉,谭成轩,孙进忠,等.地应力与岩石弹性模量关系试验研究[J].岩土力学,2012,33(6):1689-1695. QIN Xianghui,TAN Chengxuan,SUN Jinzhong,et al.Experimental study of relation between in-situ crustal stress and rock elastic modulus[J].Rock and Soil Mechanics,2012,33(6):1689-1695.
[7]	裴启涛,丁秀丽,黄书岭,等.地应力与岩体模量关系的理论及试验研究[J].冰川冻土,2016,38(4):889-897. PEI Qitao,DING Xiuli,HUANG Shuling,et al.Theoretical and experimental study of relation between in-situ stress and rock mass modulus[J].Journal of Glaciology and Geocryology,2016,38(4):889-897.
[8]	俞然刚,田勇.砂岩岩石力学参数各向异性研究[J].实验力学,2013,28(3):368-375. YU Rangang,TIAN Yong.On the rock mechanics parameters anisotropy of sandstone[J].Journal of Experimental Mechanics,2013,28(3):368-375.
[9]	刘钦节,闫相祯,杨秀娟.分层地应力方法在薄互层低渗油藏大型压裂设计中的应用[J].石油钻采工艺,2009,31(4):83-88. LIU Qinjie,YAN Xiangzhen,YANG Xiujuan.Application of stratified stress method in massive hydraulic fracturing design[J].Oil Drilling & Production Technology,2009,31(4):83-88.Z
[10]	严成增,郑宏,孙冠华,等.基于FDEM-Flow研究地应力对水力压裂的影响[J].岩土力学,2016,37(1):237-246. YAN Chengzeng,ZHENG Hong,SUN Guanhua,et al.Effect of in-situ stress on hydraulic fracturing based on FDEM-Flow[J].Rock and Soil Mechanics,2016,37(1):237-246.
[11]	唐书恒,朱宝存,颜志丰.地应力对煤层气井水力压裂裂缝发育的影响[J].煤炭学报,2011,36(1):65-69. TANG Shuheng,ZHU Baocun,YAN Zhifeng.Effect of crustal stress on hydraulic fracturing in coalbed methane wells[J].Journal of China Coal Society,2011,36(1):65-69.
[12]	王伯军,张士诚,李莉.基于地应力场的井网优化设计方法研究[J].大庆石油地质与开发,2007,26(3):55-59. WANG Bojun,ZHANG Shicheng,LI Li.The well pattern optimization design method based on the earth stress field[J].Petroleum Geology & Oilfield Development in Daqing,2007,26(3):55-59.
[13]	付道明,吴晓东,牟善波,等.大型压裂技术在低孔低渗薄互层中应用与研究[J].科学技术与工程,2010,10(1):213-216. FU Daoming,WU Xiaodong,MU Shanbo,et al.Research on and application of large-scale fracturing technology in low porosity and ultra-low permeability laminated layers[J].Science Technology and Engineering,2010,10(1):213-216.
[14]	CIRAK F,DEITERDING R,MAUCH S P.Large-scale fluid-structure interaction simulation of viscoplastic and fracturing thin-shells subjected to shocks and detonations[J].Computers & Structures,2007,85(11/14):1049-1065.
[15]	曾雨辰,杨保军.页岩气水平井大型压裂设备配套及应用[J].石油钻采工艺,2013,35(6):78-82. ZENG Yuchen,YANG Baojun.Equipment outfitting and application for large-scale fracturing in shale gas horizontal wells[J].Oil Drilling & Production Technology,2013,35(6):78-82.
[16]	赵金洲,王松,李勇明.页岩气藏压裂改造难点与技术关键[J].天然气工业,2012,32(4):46-49. ZHAO Jinzhou,WANG Song,LI Yongming.Difficulties and technical keys of fracturing reformation in shale gas reservoir[J].Nature Gas Industry,2012,32(4):46-49.
[17]	罗顺社,刘魁元,何幼斌,等.渤南洼陷沙四段陆源碎屑与碳酸盐混合沉积特征与模式[J].江汉石油学院学报,2004,26(4):19-21. LUO Shunshe,LIU Kuiyuan,HE Youbin,et al.Mixed sedimentary characteristics and mode of terrigenous clastics and carbonate in Es₄ of Bonan Depression[J].Journal of Jianghan Petroleum Institute,2004,26(4):19-21.
[18]	刘毅,陆正元,戚明辉,等.渤海湾盆地沾化凹陷沙河街组页岩油微观储集特征[J].石油实验地质,2017,39(2):180-185. Liu Yi,LU Zhengyuan,QI Minghui,et al.Microscopic characte-ristics of shale oil reservoirs in Shahejie Formation in Zhanhua Sag,Bohai Bay Basin[J].Petroleum Geology and Experiment,2017,39(2):180-185.
[19]	高磊.饱水对岩石力学性能影响的试验研究[J].新疆水利,2015(2):1-5. GAO Lei.Experimental study on effect of saturated water on rock mechanical properties[J].Xinjiang Water Resources,2015(2):1-5.
[20]	尤明庆.岩石试样的杨氏模量与围压的关系[J].岩石力学与工程学报,2003,22(1):53-60. YOU Mingqing.Effect of confining pressure on the Young's Modulus of rock specimen[J].Chinese Journal of Rock Mecha-nics and Engineering,2003,22(1):53-60.