天然气地球科学

• 天然气地质学 • 上一篇    下一篇

鄂尔多斯盆地陇东地区长7段致密储层精细表征

韩文学1,陶士振1,姚泾利2,麻伟娇1   

  1. 1.中国石油勘探开发研究院,北京 100083;
    2.中国石油长庆油田分公司勘探开发研究院,陕西 西安 710018
  • 收稿日期:2015-07-21 修回日期:2015-12-08 出版日期:2016-05-10 发布日期:2016-05-10
  • 作者简介:韩文学(1989-),男,山东滨州人,博士研究生,主要从事油气成藏及天然气地球化学研究. E-mail:vincer0543@qq.com.
  • 基金资助:
    国家科技重大专项“岩性地层油气藏成藏规律、关键技术与目标评价”(编号:2011ZX05001-001)资助.

Tight sandstone reservoirs characterization of Chang 7 member in Longdong area,Ordos Basin

Han Wen-xue1,Tao Shi-zhen1,Yao Jing-li2,Ma Wei-jiao1   

  1. 1.Research Institute of Petroleum Exploration & Development,PetroChina,Beijing 100083,China;
    2.Exploration and Development Institute of Changqing Oilfield Company,CNPC,Xi’an 710018,China
  • Received:2015-07-21 Revised:2015-12-08 Online:2016-05-10 Published:2016-05-10

摘要: 鄂尔多斯盆地陇东地区长7段广泛发育致密砂岩储层,致密油资源丰富。与常规储层的研究方法不同,需要采用针对性的实验技术与分析方法对其开展研究。本文采用TRA、核磁共振实验,结合岩心观察、薄片鉴定及成像测井等资料,对陇东地区长7段致密砂岩储层进行了精细表征。研究结果表明:长7段致密储层破坏性成岩作用较强,有效孔隙度、束缚烃的含量随深度的增加而减小;根据离心实验,标定长7段致密储层可动流体孔喉下限约为0.1μm,实验结果与高压压汞数据相吻合;长7段可动流体饱和度较高,可动流体饱和度与孔隙度、渗透率相关性较差,微裂缝的存在改善了油气在长7致密储层中的运移和聚集的能力。

关键词: 陇东地区, 长7段, 致密砂岩储层, 储层表征, 可动流体饱和度

Abstract: Tight sandstone reservoirs develop extensively in Chang 7 member in Longdong area,Ordos Basin,and tight oil is abundant.Unconventional tight sandstone reservoirs need special experimental techniques and analytical methods,which is different from the conventional reservoirs of high porosity and permeability.This paper adopted tight rock analysis,NMR,core and thin section observation,and FMI materials,in order to characterize the reservoirs precisely.The results of the experiments show that: (1)Destructive diagenesis is very strong,and effective porosity,bounded hydrocarbons (% of BV) decrease with depth;(2)According to the centrifugal experiment,this paper sets 0.1μm as the lower limit of pore throat of tight sandstone reservoirs,which is consistent with high pressure mercury data;(3)The movable fluid saturation is high and the correlation between movable fluid saturation and porosity and permeability is poor.The micro-cracks develop widely and they greatly improve the oil and gas migration and accumulation capacity.

Key words: Longdong area, Chang 7 member, Tight sandstone reservoir, Reservoir characterization, Movable fluid saturation

中图分类号: 

  • TE122.2

[1]Sun Zhaocai,Xie Qiuyuan.The development characteristics and oil-bearing properties of superimposed basin-taking Ordos Basin as an example[J].Petroleum Geology & Experiment,1980,6(1):13-21.[孙肇才,谢秋元.叠合盆地的发展特征及其含油气性——以鄂尔多斯盆地为例[J].石油实验地质,1980,6(1):13-21.]
[2]Li Desheng.Return to petroleum geology of Ordos Basin[J].Petroleum Exploration and Development,2004,31(1):1-7.[李德生.重新认识鄂尔多斯盆地油气地质学[J].石油勘探与开发,2004,31(1):1-7.]
[3]Wu Hao,Niu Xiaobing,Zhang Chunlin,et al.Characteristics and influencing factors of movable fluid in Chang 7 tight oil reservoir in Longdong area,Ordos Basin[J].Geological Science and Technology Information,2015,34(3):120-125.[吴浩,牛小兵,张春林,等.鄂尔多斯盆地陇东地区长7段致密油储层可动流体赋存特征及影响因素[J].地质科技情报,2015,34(3):120-125.]
[4]Zou Caineng,Yang Zhi,Tao Shizhen,et al.Nano-hydrocarbon and the accumulation in coexisting source and reservoir[J].Petroleum Exploration and Development,2012,39(1):12-25.[邹才能,杨智,陶士振,等.纳米油气与源储共生型油气聚集[J].石油勘探与开发,2012,39(1):12-25.]
[5]Lin Senhu,Zou Caineng,Yuan Xuanjun,et al.Status quo of tight oil exploitation in the United States and its implication[J].Lithologic Reservoirs,2011,23(4):25-29.[林森虎,邹才能,袁选俊,等.美国致密油开发现状及启示[J].岩性油气藏,2011,23(4):25-29.]
[6]Gao Gang,Han Yonglin,Fan Hongche,et al.Reservoir characteristics of member 4+5 & 6 of Yanchang Formation from Upper Triassic in Hujianshan area,Ordos Basin and their Relationship with oil accumulation[J].Natural Gas Geoscience,2011,22(4):576-581.[高岗,韩永林,范泓澈,等.鄂尔多斯盆地胡尖山地区上三叠统延长组长4+5—长6段储层特征及其与石油运聚关系[J].天然气地球科学,2011,22(4):576- 581.]
[7]Shi Ji’an,Wang Jinpeng,Mao Minglu,et al.Reservoir sandstone diagenesis of member 6 to 8 in Yanchang Formation (Triassic),Xifeng Oilfield,Ordos Basin[J].Acta Sedimentologica Sinica,2003,21(3):372-380.[史基安,王金鹏,毛明陆,等.鄂尔多斯盆地西峰油田三叠系延长组长6-8段储层砂岩成岩作用研究[J].沉积学报,2003,21(3):372-380.]
[8]Wang Zhikun,Wang Duoyun,Zheng Ximin,et al.Depositional characteristics and physical behavior analysis of  the Chang 6-8 reservoir of Triassic Yanchang Formation in Longdong area,Shanganning[J].Natural Gas Geoscience,2003,14(5):380-385.[王志坤,王多云,郑希民,等.陕甘宁盆地陇东地区三叠系延长统长6-长8储层沉积特征及物性分析[J].天然气地球科学,2003,14(5):380-385.]
[9]Dou Weitan.The controlling factors of oil-gas accumulation law of in Chenghua area Ordos Basin[J].Journal of Xi’an ShiYou University:Natural Science Edition,1999,14(5):1-4.[窦伟坦.鄂尔多斯盆地城华地区长33油组油气富集的控制因素[J].西安石油学院学报:自然科学版,1999,14(5):1-4.]
[10]Xi Shengli,Liu Xinshe,Wang Tao.Analysis on the migration characteristics of the Mesozoic petroleum in the Ordos Basin[J].Petroleum Geology & Experiment,2004,26(3):229-235.[席胜利,刘新社,王涛.鄂尔多斯盆地中生界石油运移特征分析[J].石油实验地质,2004,26(3):229-235.]
[11]Mao Minglu.Discussion on tectonic background of Chang 6-8 in southwestern Ordos Basin[J].Low Permeability Oil & Gas Fields,2005,10(1):13-16.[毛明陆.试论鄂尔多斯盆地西南部延长组长6-长8沉积期的构造背景[J].低渗透油气田,2005,10(1):13-16.]
[12]Li Haiyan,Peng Shimi.Study diagenetic reservoir facies of low permeability reservoir with genetic neural network:Take Shahejie Formation in block 3 of Bonan Oilfield as an example[J].Oil & Gas Geology,2006,27(1):111-117.[李海燕,彭仕宓.应用遗传神经网络研究低渗透储层成岩储集相[J].石油与天然气地质,2006,27(1):111-117.]
[13]Zhou Hengtao,Peng Shimi,Li Haiyan.Diagenetic reservoir facies and pore space evolution of low permeability reservoir in Shaxi Oilfield[J].Coal Geology & Exploration,2006,34(6):22-26.[周恒涛,彭仕宓,李海燕.砂西油田低渗透储层成岩储集相及储集空间演化模式[J].煤田地质与勘探,2006,34(6):22-26.]
[14]Li Haiyan,Peng Shimi.Diagenetic reservoir facies and pore space evolution pattern of low permeability reservoir[J].Journal of China University of Petroleum:Edition of Natural Science,2007,31(5):1-6.[李海燕,彭仕宓.低渗透储层成岩储集相及储集空间演化模式[J].中国石油大学学报:自然科学版,2007,31(5):1-6.]
[15]Li Haiyan,Xu Zhangyou.Microscopic characteristics of pore structure and classification evaluation of low permeability reservoir in Xinli Oilfield[J].Petroleum Geology and Recovery Efficiency,2009,16(1):17-21.[李海燕,徐樟有.新立油田低渗透储层微观孔隙结构特征及分类评价[J].油气地质与采收率,2009,16(1):17-21.]
[16]Liu Yuan,Zhu Xiaomin,Zhang Simeng,et al.Microcosmic pore structure in low-moderate permeability reservoir of Fuyu Oil layer in Sanzhao Sag[J].Natural Gas Geoscience,2010,21(2):270-275.[刘媛,朱筱敏,张思梦,等.三肇凹陷扶余油层中-低渗透储层微观孔隙结构特征及其分类[J].天然气地球科学,2010,21(2):270-275.]
[17]Yu Xinghe,Li Shengli.The development and hotspot problems of clastic petroleum reservoir sedimentology[J].Acta Sedimentologica Sinica,2009,27(5):880-895.[于兴河,李胜利.碎屑岩系油气储层沉积学的发展历程与热点问题思考[J].沉积学报,2009,27(5):880-895.]
[18]Li Weicheng,Zhang Yanmei,Wang Fang,et al.Application of constant-rate mercury penetration technique to study of pore throat characteristics of tight reservoir:A case study from the Upper Triassic Yanchang  Formation in Ordos Basin[J].Lithologic Reservoirs,2012,24(6):60-65.[李卫成,张艳梅,王芳,等.应用恒速压汞技术研究致密油储层微观孔喉特征——以鄂尔多斯盆地上三叠统延长组为例[J].岩性油气藏,2012,24(6):60-65.]
[19]Lei Qihong,Sun Hualing,Li Jing,et al.Evaluation of movable fluid saturation in low-permeability reservoirs of Changqing oilfield[J].Low Permeability Oil & Gas Fields,2006,11(1):94-97.[雷启鸿,孙华岭,李晶,等.长庆低渗透储层可动流体饱和度评价[J].低渗透油气田,2006,11(1):94 -97.]
[20]Li Haibo,Zhu Juyi,Guo Hekun.Methods for calculating pore radius distribution in rock from NMR T2 spectra[J].Chinese Journal of Magnetic Resonance,2008,25(2):273-279.[李海波,朱巨义,郭和坤.核磁共振 T2谱换算孔隙半径分布方法研究[J].波谱学杂志,2008,25(2):273-279.]
[21]He Yudan,Mao Zhiqiang,Xiao Lizhi,et al.An improved method of using NMR T2 distribution to evaluate pore size distribution[J].Chinese Journal of Geophysics,2005,48(2):373-378.[何雨丹,毛志强,肖立志,等.核磁共振T2分布评价岩石孔径分布的改进方法[J].地球物理学报,2005,48(2):373-378.]
[22]Coates G,Xiao Lizhi,Prammer  M.Logging principle and application of Nuclear magnetic resonance technology[M].Beijing:Petroleum Industry Press,2007:1-172.[Coates G,肖立志,Prammer M.核磁共振测井原理与应用[M].北京:石油工业出版社,2007:1-172.]
[23]Wang Weimin,Guo Hekun,Ye Zhaohui.The evaluation of development potential in low permeability oilfield by the aid of NMR movable fluid detecting technology[J].Acta Petrolei Sinica,2001,22(6):40-46.[王为民,郭和坤,叶朝辉.利用核磁共振可动流体评价低渗透油田开发潜力[J].石油学报,2001,22(6):40-46.]
[24]Yang Zhengming,Zhang Yingzhi,Hao Mingqiang,et al.Comprehensive evaluation of reservoir in low-permeability oilfields[J].Acta Petrolei Sinica,2006,27(2):64-67.[杨正明,张英芝,郝明强,等.低渗透油田储层综合评价方法[J].石油学报,2006,27(2):64-67.]
[25]Yang Zhengming,Miao Sheng,Liu Xiangui.Percentage parameter of the movable fluid in ultra-low permeability reservoir and its application[J].Journal of Xi’an Shi You University:Natural Science Edition,2007(2):96-99.[杨正明,苗盛,刘先贵.特低渗透油藏可动流体百分数参数及其应用[J].西安石油大学学报:自然科学版,2007(2):96-99.]

[1] 高永亮, 文志刚, 李威. 湖相富有机质细粒沉积岩地球化学特征及其对致密油气成藏的影响——以鄂尔多斯盆地陇东地区延长组长7段为例[J]. 天然气地球科学, 2019, 30(5): 729-739.
[2] 杨海军, 张荣虎, 杨宪彰, 王珂, 王俊鹏, 唐雁刚, 周露. 超深层致密砂岩构造裂缝特征及其对储层的改造作用——以塔里木盆地库车坳陷克深气田白垩系为例[J]. 天然气地球科学, 2018, 29(7): 942-950.
[3] 郭睿良,陈小东,马晓峰,马静,[王琪],陈霖. 鄂尔多斯盆地陇东地区延长组长7段致密储层水平向可动流体特征及其影响因素分析[J]. 天然气地球科学, 2018, 29(5): 665-674.
[4] 张艳,张春雷,高世臣. 基于SOM和HSV染色技术的致密砂岩储层地震相分析[J]. 天然气地球科学, 2018, 29(2): 259-267.
[5] 赵军, 曹刚, 武延亮. 多元隶属函数在致密砂岩储层分类中的应用[J]. 天然气地球科学, 2018, 29(11): 1553-1558.
[6] 张大智. 利用氮气吸附实验分析致密砂岩储层微观孔隙结构特征——以松辽盆地徐家围子断陷沙河子组为例[J]. 天然气地球科学, 2017, 28(6): 898-908.
[7] 杨智峰,曾溅辉,韩菲,冯枭,冯森,张译丹,乔俊程. 鄂尔多斯盆地西南部长6—长8段致密砂岩储层微观孔隙特征[J]. 天然气地球科学, 2017, 28(6): 909-919.
[8] 张凤奇,钟红利,魏登峰,张凤博,柳伟明,刘伟. 鄂尔多斯盆地陕北斜坡东南部长7段致密砂岩油藏成藏物性下限[J]. 天然气地球科学, 2017, 28(2): 232-240.
[9] 周露,莫涛,王振鸿,朱文慧,尚江伟,陈维力,李梅,张琪. 塔里木盆地克深气田超深层致密砂岩储层裂缝分级分组合特征[J]. 天然气地球科学, 2017, 28(11): 1668-1677.
[10] 刘晓鹏, 刘燕, 陈娟萍, 胡爱平. 鄂尔多斯盆地盒8段致密砂岩气藏微观孔隙结构及渗流特征[J]. 天然气地球科学, 2016, 27(7): 1225-1234.
[11] 陈文浩,王志章,潘潞,李汉林,侯加根. 致密砂岩储层流动单元定量识别方法探讨[J]. 天然气地球科学, 2016, 27(5): 844-850.
[12] 王香增,郝进,姜振学,郭超,邢金艳,李卓,唐相路. 鄂尔多斯盆地下寺湾地区长7段油溶相页岩气量影响因素及其分布特征[J]. 天然气地球科学, 2015, 26(4): 744-753.
[13] 高帅,曾联波,马世忠,何永宏,巩磊,赵向原,许文国,唐小梅. 致密砂岩储层不同方向构造裂缝定量预测[J]. 天然气地球科学, 2015, 26(3): 427-434.
[14] 孙六一,赵靖舟,李军,包洪平,刘宝宪,王红伟,王倩. 鄂尔多斯盆地陇东地区上古生界天然气成藏模式[J]. 天然气地球科学, 2015, 26(11): 2029-2038.
[15] 陆诗阔,王迪,李玉坤,孟宪军,胡向阳,陈舒薇. 鄂尔多斯盆地大牛地气田致密砂岩储层三维岩石力学参数场研究[J]. 天然气地球科学, 2015, 26(10): 1844-1850.
Viewed
Full text


Abstract

Cited

  Shared   
  Discussed   
[1] 郑建京;吉利明;孟仟祥;. 准噶尔盆地天然气地球化学特征及聚气条件的讨论[J]. 天然气地球科学, 2000, 11(4-5): 17 -21 .
[2] Seewald J S;Benitez-Netson B C;Whelan J K(美国);刘全有(译). 天然气形成与组成的实验和理论因素[J]. 天然气地球科学, 2000, 11(4-5): 30 -44 .
[3] 付广;杨勉;. 盖层发育特征及对油气成藏的作用[J]. 天然气地球科学, 2000, 11(3): 18 -24 .
[4] 付广;王剑秦. 地壳抬升对油气藏保存条件的影响[J]. 天然气地球科学, 2000, 11(2): 18 -23 .
[5] 陈建阳,张志杰,于兴河 . AVO技术在水合物研究中的应用及应注意的问题[J]. 天然气地球科学, 2005, 16(1): 123 -126 .
[6] 施立志;林铁锋;王震亮;王卓卓;姚勇;. 库车坳陷下白垩统天然气运聚系统与油气运移研究[J]. 天然气地球科学, 2006, 17(1): 78 -83 .
[7] 王茹;. 胜坨油田两期成藏地球化学特征及成藏过程分析[J]. 天然气地球科学, 2006, 17(1): 133 -136 .
[8] Cramer B;Faber E;Gerling P;Krooss B M;刘全有(译). 天然气稳定碳同位素反应动力学研究――关于干燥、开放热解实验中的思考[J]. 天然气地球科学, 2002, 13(5-6): 8 -18 .
[9] 郭精义,杨占龙,黄刚,杨立国. 潜江凹陷新农地区沉积微相特征与岩性油气藏[J]. 天然气地球科学, 2006, 17(2): 249 -255 .
[10] 王宇超;牛滨华;张年春;马龙;王建华;. 转换波三维初至静校正方法在SLG气区的应用[J]. 天然气地球科学, 2006, 17(2): 272 -275 .