基于分形特征的碳酸盐岩储层孔隙结构定量评价

doi:10.3969/j.issn.1673-8926.2017.05.011

岩性油气藏 ›› 2017, Vol. 29 ›› Issue (5): 97–105.doi: 10.3969/j.issn.1673-8926.2017.05.011

基于分形特征的碳酸盐岩储层孔隙结构定量评价

刘航宇, 田中元, 徐振永

中国石油勘探开发研究院, 北京 100083

收稿日期:2017-02-23 修回日期:2017-04-22 出版日期:2017-09-21 发布日期:2017-09-21
第一作者:刘航宇(1992-),男,中国石油勘探开发研究院在读硕士研究生,研究方向为油气藏开发地质。地址:(100083)北京市海淀区学院路20号中国石油勘探开发研究院。Email:liuhangyu_riped@163.com。
基金资助:
国家“十三五”重大科技专项“伊拉克大型生物碎屑灰岩油藏注水开发关键技术研究与应用”（编号：2017ZX05030-001）资助

Quantitative evaluation of carbonate reservoir pore structure based on fractal characteristics

LIU Hangyu, TIAN Zhongyuan, XU Zhenyong

Petrochina Research Institute of Petroleum Exploration and Development, Beijing 100083, China

Received:2017-02-23 Revised:2017-04-22 Online:2017-09-21 Published:2017-09-21

摘要/Abstract

摘要： 伊拉克W油田Mishrif组巨厚孔隙型生屑灰岩为强非均质性储层，孔隙结构评价难度较大。结合薄片、孔渗试验和压汞毛管压力曲线资料，使用分形理论研究储层孔隙结构，建立了以分形维数定量评价孔隙型生屑灰岩储层孔隙结构的方法和标准。该储层孔隙结构分形特征可分为2类，第1类储层孔隙结构整体具有显著的“单段型”分形特征；第2类储层孔隙结构整体分形特征不显著，但其较大孔喉系统和较小孔喉系统各自具有显著的分形特征，即“多段型”分形特征。分形维数能够反映孔隙型灰岩孔隙结构的复杂程度和非均质性，分形维数越大，孔隙结构越复杂；压汞毛管压力和含水饱和度分段越多，孔隙结构非均质性越强。利用孔隙结构分形维数的分区性对储层进行分类，同一类样品压汞毛管压力曲线的相似性验证了分形维数分类结果的合理性。Ⅰ类与Ⅱ类储层多对应“多段型”分形特征，Ⅲ类与Ⅳ类储层多对应“单段型”分形特征。该研究成果对相同类型碳酸盐岩储层孔隙结构定量评价具有指导意义。

关键词: 凝灰岩, 脱玻化, 储层特征, 形成条件, 致密油, 条湖组, 马朗凹陷

Abstract: Pore structure of large scale porous limestone reservoir with strong heterogeneity is very complex,so it is difficult to evaluate its pore structure of Mishrif Formation of W oilfield in Iraq. Based on thin section observation, porosity and permeability test and mercury injection capillary pressure test,fractal theory was applied to quantitative pore structure evaluation,and the pore fractal dimension criterion for reservoir type classification was established. There are two types of reservoir pore structure fractal characteristics. Some samples called "single segment" perform obvious fractal character overall. Others called "multiple segments" have distinct large pore throat system and small pore throat system which perform unique fractal characters respectively while have no uniform fractal character overall. The complexity and heterogeneity of pore structure of porous limestone can be reflected by fractal dimension,the greater the fractal dimension,the more complex pore structure,and the more conspicuous segmental character in the relationship between capillary pressure and water saturation,the stronger the heterogeneity. The samples were classified based on the fractal dimension combined with porosity and permeability distribution of the samples. The majority of type Ⅰ-Ⅱ and type Ⅲ-Ⅳrespectively corresponded to "multiple segments" and "single segment" fractal characteristics. It has an important guiding significance for the quantitative evaluation of pore structure to similar carbonate reservoir.

Key words: tuff, devitrification, reservoir characteristics, formation conditions, tight oil, Tiaohu Formation, Malang Depression

中图分类号:

TE122

刘航宇, 田中元, 徐振永. 基于分形特征的碳酸盐岩储层孔隙结构定量评价[J]. 岩性油气藏, 2017, 29(5): 97–105.

LIU Hangyu, TIAN Zhongyuan, XU Zhenyong. Quantitative evaluation of carbonate reservoir pore structure based on fractal characteristics[J]. Lithologic Reservoirs, 2017, 29(5): 97–105.

参考文献

[1] 罗蛰潭,王允诚. 油气储集层的孔隙结构. 北京:科学出版社, 1986. LUO Z T,WANG Y C. The pore structure of reservoir. Beijing:Science Press,1986.
[2] 邓虎成,周文,郭睿,等. 伊拉克艾哈代布油田中-下白垩统碳酸盐岩储层孔隙结构及控制因素. 岩石学报,2014,30(3):801-812. DENG H C,ZHOU W,GUO R,et al. Pore structure characteristics and control factors of carbonate reservoirs:the Middle-Lower Cretaceous formation,AI Hardy cloth Oilfield,Iraq. Acta Petrologica Sinica,2014:30(3):801-812.
[3] 秦瑞宝,李雄炎,刘春成,等. 碳酸盐岩储层孔隙结构的影响因素与储层参数的定量评价. 地学前缘,2013,20:1-9. QIN R B,LI X Y,LIU C C,et al. Infiuential factors of pore structure and quantitative evaluation of reservoir parameters in carbonate reservoir. Earth Science Frontiers,2013,20:1-9.
[4] 郭振华,李光辉,吴蕾,等. 碳酸盐岩储层孔隙结构评价方法——以土库曼斯坦阿姆河右岸气田为例. 石油学报,2011,32(3):459-465. GUO Z H,LI G H,WU L,et al. Pore texture evaluation of carbonate reservoirs in Gasfield A,Turkmenistan. Acta Petrolei Sinica, 2011,32(3):459-465.
[5] TUCKER M E,WRIGHT V P. Carbonate sedimentology. Malden:Blackwell Science,1990.
[6] MOORE C H. Carbonate diagenesis and porosity. Amsterdam:Elsevier,1989.
[7] MOORE C H,WADE W J. Carbonate reservoirs:porosity and diagenesis in a sequence stratigraphic framework. 2nd ed. Amsterdam:Elsevier,2013:67.
[8] 王瑞,朱筱敏,陈烨菲,等. 滨里海盆地肯基亚克地区中、下石炭统碳酸盐岩储层特征与成岩作用. 石油与天然气地质, 2012,33(2):225-235. WANG R,ZHU X M,CHEN Y F,et al. Diagenesis and reservoir characteristics of the Lower-Middle Carboniferous carbonates in Kenkyak area,Pre-Caspian Basin. Oil & Gas Geology, 2012,33(2):225-235.
[9] LUCIAF J. Carbonate reservoir characterization:an integrated approach. 2nd ed. Austin:Springer,2007.
[10] 王小敏,樊太亮. 碳酸盐岩储层渗透率研究现状与前瞻. 地学前缘,2013,20(5):166-174. WANG X M,FAN T L. Progress of research on permeability of carbonate rocks. Earth Science Frontiers,2013,20(5):166-174.
[11] WEGER R J,EBERLI G P,BAECHLE G T,et al. Quantification of pore structure and its effect on sonic velocity and permeability in carbonates. AAPG Bulletin,2009,93(10):1297-1317.
[12] SALMAN S M,BELLAH S. Rock typing:an integrated reservoir characterization tool to construct a robust geological model in Abu Dhabi carbonate oil field. SPE 125498,2009.
[13] 裘怿楠,薛叔浩. 油气储层评价技术. 北京:石油工业出版社, 1997. QIU Y N,XUE S H. Appraisal technology of hydrocarbon reservoirs. Beijing:Petroleum Industry Press,1997.
[14] 罗平,裘怿楠,贾爱林,等. 中国油气储层地质研究面临的挑战和发展方向.沉积学报,2003,21(1):142-147. LUO P,QIU Y N,JIAA L,et al. The present challenges of Chinese petroleum reservoir geology and research direction. Acta Sedimentologica Sinica,2003,21(1):142-147.
[15] 郝乐伟,王琪,唐俊. 储层岩石微观孔隙结构研究方法与理论综述. 岩性油气藏,2013,25(5):123-128. HAO L W,WANG Q,TANG J. Research progress of reservoir microscopic pore structure. Lithologic Reservoirs,2013,25(5):123-128.
[16] 白斌,朱如凯,吴松涛,等. 利用多尺度CT成像表征致密砂岩微观孔喉结构.石油勘探与开发,2013,40(3):329-333. BAI B,ZHU R K,WU S T,et al. Multi-scale method of Nano (Micro)-CT study on microscopic pore structure of tight sand stone of Yanchang Formation, Ordos Basin. Petroleum Exploration and Development,2013,40(3):329-333.
[17] 刘晓鹏,胡晓新. 近五年核磁共振测井在储集层孔隙结构评价中的若干进展. 地球物理学进展,2009,24(6):2194-2201. LIU X P,HU X X. Progress of NMR log in evaluating reservoir pore structure in the last five years. Progress in Geophysics(in Chinese),2009,24(6):2194-2201.
[18] 李爱芬,任晓霞,王桂娟,等. 核磁共振研究致密砂岩孔隙结构的方法及应用. 中国石油大学学报(自然科学版),2015,39(6):92-98. LI A F,REN X X,WANG G J,et al. Characterization of pore structure of low permeability reservoirs using a nuclear magnetic resonance method. Journal of China University of Petroleum (Edition of Natural Science),2015,39(6):92-98.
[19] 肖飞,何宗斌,周静萍. 核磁共振测井连续表征储层孔隙结构方法研究.石油天然气学报,2012,34(2):93-97. XIAO F,HE Z B,ZHOU J P. A research of successively characterizing reservoir pore structures with NMR logging data. Journal of Oil and Gas Technology,2012,34(2):93-97.
[20] VERWER K,EBERLI G P,WEGER R J. Effect of pore structure on electrical resistivity in carbonates. AAPG Bulletin, 2011,95(2):175-190.
[21] 姜均伟,朱宇清,徐星,等. 伊拉克H油田碳酸盐岩储层的孔隙结构特征及其对电阻的影响. 地球物理学进展,2015,30(1):203-209. JIANG J W,ZHU Y Q,XU X,et al. Pore structure characteristics of the carbonate reservoir and their influence on electric properties in H oilfield,Iraq. Progress in Geophysics(in Chinese), 2015,30(1):203-209.
[22] 倪国辉,郭海峰,徐星,等. 碳酸盐岩复杂孔隙结构的测井识别和分类评价——以中东某油田H地层为例. 石油天然气学报(江汉石油学院学报),2014,36(1):60-65. NI G H,GUO H F,XU X,et al. Pore structure recognition and classification evaluation of complex carbonate reservoirs by using logging data:by taking H formation of an oilfield in the middle east for example. Journal of Oil and Gas Technology (Journal of Jianghan Petroleum Institute),2014,36(1):60-65.
[23] MANDELBROT B B. The fractal geometry of nature. New York:W. H. Freeman & Co.,1982.
[24] 张立强,纪友亮,马文杰,等. 博格达山前带砂岩孔隙结构分形几何学特征与储层评价. 石油大学学报(自然科学版), 1998,22(5):31-33. ZHANG L Q,JI Y L,MAW J,et al. Characteristics of fractional geometry and reservoir evaluation of fore mountain belt at Begedashan. Journal of the University of Petroleum,China(Edition of Natural Science),1998,22(5):31-33.
[25] 李晓晖,袁峰,周涛发,等. 新疆塔尔巴哈台-萨吾尔地区多重分形地球化学异常提取及成矿预测. 岩石学报,2015,31(2):426-434. LI X H,YUAN F,ZHOU T F,et al. Mineral prospectivity mapping and geochemical anomalies identification based on multifractal modeling in the Taerbahatai-Sawuer area,Xinjiang. Acta Petrologica Sinica,2015,31(2):426-434.
[26] 王志伟,卢双舫,王民,等. 湖相、海相泥页岩孔隙分形特征对比.岩性油气藏,2016,28(1):88-93. WANG Z W,LU S F,WANG M,et al. Fractal characteristics of lacustrine shale and marine shale. Lithologic Reservoirs, 2016,28(1):88-93.
[27] 张宪国,张涛,林承焰. 基于孔隙分形特征的低渗透储层孔隙结构评价.岩性油气藏,2013,25(6):40-45. ZHANG X G,ZHANG T,LIN C Y. Pore structure evaluation of low permeability reservoir based on pore fractal features. Lithologic Reservoirs,2013,25(6):40-45.
[28] 马立民,林承焰,范梦玮. 基于微观孔隙结构分形特征的定量储层分类与评价. 石油天然气学报,2012,34(5):15-19. MA L M,LIN C Y,FAN M W. Quantitative classification and evaluation of reservoirs based on fractal features of micro-pore structures. Journal of Oil and Gas Technology,2012,34(5):15-19.
[29] 赵明,郁伯铭. 数字岩心孔隙结构的分形表征及渗透率预测. 重庆大学学报,2011,34(4):88-94. ZHAO M,YU B M. The fractal characterization of pore structure for some numerical rocks and prediction of permeabilities. Journal of Chongqing University,2011,34(4):88-94.
[30] 邓亚,郭睿,田中元,等. 碳酸盐岩储集层隔夹层地质特征及成因——以伊拉克西古尔纳油田白垩系Mishrif组为例. 石油勘探与开发,2016,43(1):1-9. DENG Y,GUO R,TIAN Z Y,et al. Geologic features and genesis of the barriers and intercalations in carbonates:a case study of the Cretaceous Mishrif Formation,West Qurna oil field, Iraq. Petroleum Exploration and Development,2016,43(1):1-9.
[31] PEREZ G,CHOPRA A K. Evaluation of fractal models to describe reservoir heterogeneity and performance. SPE 452260, 1997.
[32] KROHN C E. Fractal measurements of sandstones, shales, and carbonates. Journal of Geophysical Research:Soild Earth, 1988,93(B4):3297-3305.
[33] 贺承祖,华明琪. 储层孔隙结构的分形几何描述. 石油与天然气地质,1998,19(1):17-23. HE C Z,HUA M Q. Fractal geometry description of reservoir pore structure. Oil & Gas Geology,1998,19(1):17-23.
[34] 冯其红,崔传志,王卫阳,等. 油田开发与开采原理. 东营:中国石油大学出版社,2011:32-33. FENG Q H,CUI C Z,WANG W Y,et al. Principle of oilfield development and production. Dongying:China University of Petroleum Press,2011:32-33.

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基于分形特征的碳酸盐岩储层孔隙结构定量评价

Quantitative evaluation of carbonate reservoir pore structure based on fractal characteristics

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