岩性油气藏 ›› 2022, Vol. 34 ›› Issue (3): 142153.doi: 10.12108/yxyqc.20220313
雷海艳1,2, 郭佩3,4, 孟颖1,2, 齐婧1,2, 刘金1,2, 张娟1,2, 刘淼1,2, 郑雨1,2
LEI Haiyan1,2, GUO Pei3,4, MENG Ying1,2, QI Jing1,2, LIU Jin1,2, ZHANG Juan1,2, LIU Miao1,2, ZHENG Yu1,2
摘要: 准噶尔盆地玛湖凹陷下二叠统风城组为盆地西北缘的主力烃源岩,具有较大的页岩油勘探前景。利用场发射电子扫描显微镜以及高压压汞等测试手段,对研究区玛页1井风城组页岩油储层的孔隙结构进行了精细研究和分类评价。研究结果表明:①玛湖凹陷风城组页岩油储层以薄层状或块状云质、粉砂质、钙质或硅质泥岩为主,且泥岩中常发育大量白云石、方解石、及硅质条带、团块或斑块。②研究区风城组页岩油储层孔隙类型主要有粒间孔、基质溶孔、粒内溶孔、晶间孔、晶内溶孔以及微裂缝等,以基质溶孔和晶间孔最为发育。储层物性差,孔隙度为0.4%~17.7%,大多小于3.0%;渗透率最大值为2.90 mD,大多小于0.03 mD,属于低孔特低渗储层。③研究区样品孔隙体积普遍较小,平均为0.25cm3;均值系数平均为13.95;分选系数平均为2.44;偏态平均为0.97;峰态平均为1.25;变异系数平均为0.17;最大进汞饱和度低,平均为37.23%;退汞效率低,平均仅为25.73%。④研究区页岩油储层可分为Ⅰ,Ⅱ,Ⅲ等3类,其中物性好且内部孔隙连通性好的Ⅰ类页岩油储层具有好的油气勘探开发前景。
中图分类号:
[1] 张道伟,薛建勤,伍坤宇,等.柴达木盆地英西地区页岩油储层特征及有利区优选[J].岩性油气藏, 2020, 32(4):1-11. ZHANG Daowei, XUE Jianqin, WU Kunyu, et al. Shale oil reservoir characteristics and favorable area optimization in Yingxi area, Qaidam Basin[J]. Lithologic Reservoirs, 2020, 32(4):1-11. [2] 张治恒,田继军,韩长城,等.吉木萨尔凹陷芦草沟组储层特征及主控因素[J].岩性油气藏, 2021, 33(2):116-126. ZHANG Zhiheng, TIAN Jijun, HAN Changcheng, et al. Reservoir characteristics and main controlling factors of Lucaogou Formation in Jimsar Sag, Junggar Basin[J]. Lithologic Reservoirs, 2021, 33(2):116-126. [3] ALEXANDRA A H, AMIN G, BERNHARD M K. Transport properties of unconventional gas systems[J]. Marine and Petroleum Geology, 2012, 31(1):90-99. [4] 刘得光,周路,李世宏,等.玛湖凹陷风城组烃源岩特征与生烃模式[J].沉积学报, 2020, 38(5):947-955. LIU Deguang, ZHOU Lu, LI Shihong, et al. Characteristics of source rocks and hydrocarbon generation models of Fengcheng Formation in Mahu Depression[J]. Acta Sedimentologica Sinica, 2020, 38(5):947-955. [5] 张志杰,袁选俊,汪梦诗,等.准噶尔盆地玛湖凹陷二叠系风城组碱湖沉积特征与古环境演化[J].石油勘探与开发, 2018, 45(6):972-984. ZHANG Zhijie, YUAN Xuanjun, WANG Mengshi, et al. Alkaline-lacustrine deposition and paleoenvironmental evolution in Permian Fengcheng Formation at the Mahu Sag, Junggar Basin, NW China[J]. Petroleum Exploration and Development, 2018, 45(6):972-984. [6] 曹剑,雷德文,李玉文,等.古老碱湖优质烃源岩:准噶尔盆地下二叠统风城组[J].石油学报, 2015, 36(7):781-790. CAO Jian, LEI Dewen, LI Yuwen, et al. Ancient high-quality alkaline lacustrine source rocks discovered in the Lower Permian Fengcheng Formation, Junggar Basin[J]. Acta Petrolei Sinica, 2015, 36(7):781-790. [7] 宇振昆,丁金岗,冯振伟,等.准噶尔盆地玛湖凹陷二叠系风城组碱性成岩作用浅析[J].非常规油气, 2021, 8(2):24-32. YU Zhenkun, DING Jingang, FENG Zhenwei, et al. Analysis on alkaline diagenesis of the Fengcheng Formation of Permian in Mahu Sag, Junggar Basin, China[J]. Unconventional Oil&Gas, 2021, 8(2):24-32. [8] 许琳,常秋生,冯林丽,等.准噶尔盆地玛湖凹陷二叠系风城组页岩油储层特征及控制因素[J].中国石油勘探, 2019, 24(5):650-660. XU Lin, CHANG Qiusheng, FENG Linli, et al. The reservoir characteristics and control factors of shale oil in Permian Fengcheng Formation of Mahu Sag, Junggar Basin[J]. China Petroleum Exploration, 2019, 24(5):650-660. [9] 支东明,唐勇,何文军,等.玛湖凹陷下二叠统风城组常规-非常规油气有序共生与全油气系统成藏模式[J].石油勘探与开发, 2021, 48(1):38-51. ZHI Dongming, TANG Yong, HE Wenjun, et al. Orderly coexistence and accumulation models of conventional and unconventional hydrocarbons in Lower Permian Fengcheng Formation, Mahu Sag, Junggar Basin[J]. Petroleum Exploration and Development, 2021, 48(1):38-51. [10] 邹才能,朱如凯,白斌,等.致密油与页岩油内涵、特征、潜力及挑战[J].矿物岩石地球化学通报, 2015, 34(1):3-17.ZOU Caineng, ZHU Rukai, BAI Bin, et al. Significance, geologic characteristics, resource potential and future challenges of tight oil and shale oil[J]. Bulletin of Mineralogy, Petrology and Geochemistry, 2015, 34(1):3-17. [11] 董岩,肖佃师,彭寿昌,等.页岩油层系储集层微观孔隙非均质性及控制因素:以吉木萨尔凹陷芦草沟组为例[J].矿物岩石地球化学通报, 2021, 40(1):115-123. DONG Yan, XIAO Dianshi, PENG Shouchang, et al. Heterogeneity of microscopic pores in shale oil reservoir and its controlling factors:Taking the Lucaogou Formation in the Jimusar Sag as an example[J]. Bulletin of Mineralogy, Petrology and Geochemistry, 2021, 40(1):115-123. [12] 张晓辉,张娟,袁京素,等.鄂尔多斯盆地南梁-华池地区长81致密储层微观孔喉结构及其对渗流的影响[J].岩性油气藏, 2021, 33(2):36-48. ZHANG Xiaohui, ZHANG Juan, YUAN Jingsu, et al. Micro pore throat structure and its influence on seepage of Chang 81 tight reservoir in Nanliang-Huachi area, Ordos Basin[J]. Lithologic Reservoirs, 2021, 33(2):36-48. [13] 薛冰,张金川,唐玄,等.黔西北龙马溪组页岩微观孔隙结构及储气特征[J].石油学报, 2015, 36(2):138-149. XUE Bing, ZHANG Jinchuan, TANG Xuan, et al. Characteristics of microscopic pore and gas accumulation on shale in Longmaxi Formation, northwest Guizhou[J]. Acta Petrolei Sinica, 2015, 36(2):138-149. [14] LI Changzhi, WANG Haihong, WANG Liangguo, et al. Characteristics of tight oil sandstone reservoirs:A case study from the Upper Triassic Chang 7 member in Zhenyuan area, Ordos Basin, China[J]. Arabian Journal of Geosciences, 2020, 13(2):78. [15] 支东明,宋永,何文军,等.准噶尔盆地中-下二叠统页岩油地质特征、资源潜力及勘探方向[J].新疆石油地质, 2019, 40(4):390-401. ZHI Dongming, SONG Yong, HE Wenjun, et al. Geological characteristics, resource potential and exploration direction of shale oil in Middle-Lower Permian, Junggar Basin[J]. Xinjiang Petroleum Geology, 2019, 40(4):390-401. [16] 鲁新川,孔玉华,常娟,等.准噶尔盆地西北缘克百地区二叠系风城组砂砾岩储层特征及主控因素分析[J].天然气地球科学, 2012, 23(3):474-481. LU Xinchuan, KONG Yuhua, CHANG Juan, et al. Characteristics and main controlling factors of sand-gravel stone reservoir of Permian Fengcheng Formation in Kebaiarea, northwest Junggar Basin[J]. Natural Gas Geoscience, 2012, 23(3):474-481. [17] 吴康军,刘洛夫,徐正建,等.鄂尔多斯盆地长7段致密油成藏物性下限研究[J].石油实验地质, 2016, 38(1):63-69. WU Kangjun, LIU Luofu, XU Zhengjian, et al. Lower limits of pore throat radius, porosity and permeability for tight oil accumulations in the Chang 7 member, Ordos Basin[J]. Petroleum Geology&Experiment, 2016, 38(1):63-69. [18] 魏钦廉,崔改霞,刘美荣,等.鄂尔多斯盆地西南部二叠系盒8下段储层特征及控制因素[J].岩性油气藏, 2021, 33(2):17-25. WEI Qinlian, CUI Gaixia, LIU Meirong, et al. Reservoir characteristics and controlling factors of Permian lower He 8 member in southwestern Ordos Basin[J]. Lithologic Reservoirs, 2021, 33(2):17-25. [19] 王允诚,向阳,邓礼正,等.油层物理学[M].成都:四川科学技术出版社, 2006:1-282. WANG Yuncheng, XIANG Yang, DENG Lizheng, et al. Reservoir physics[M]. Chengdu:Sichuan Science and Technology Press, 2006:1-282. [20] CHALMERS G R, ROSS D J, BUSTIN R M. Geological controls on matrix permeability of gas shales in the Horn river and Liard basins, northeastern British Columbia, Canada[J]. International Journal of Coal Geology, 2012, 103:120-131. [21] GAO Zhiye, YANG Xibing, HU Chenhui, et al. Characterizing the pore structure of low permeability Eocene Liushagang Formation reservoir rocks from Beibuwan Basin in northern South China Sea[J]. Marine and Petroleum Geology, 2019, 99:107-121. [22] 王俊杰,吴胜和,肖淑明,等.东营凹陷沙三中亚段浊积砂岩储层微观孔喉分布特征[J].中国石油大学学报(自然科学版), 2021, 45(4):12-21. WANG Junjie, WU Shenghe, XIAO Shuming, et al. Distribution characteristics of micro pore throat size of turbidite sandstone reservoir in middle sub-rnember of3rd member, Shahejie Formation in Dongying Depression[J]. Journal of China University of Petroleum (Edition of Natural Science), 2021, 45(4):12-21. [23] 唐仁骐,曾玉华.岩石退汞效率几个影响因素的研究[J].石油实验地质, 1994, 16(1):84-93. TANG Renqi, ZENG Yuhua. The study on the retro-mercurometric efficiency of rocks[J]. Petroleum Geology&Experiment, 1994, 16(1):84-93. [24] 吴松涛,朱如凯,李勋,等.致密储层孔隙结构表征技术有效性评价与应用[J].地学前缘, 2018, 25(2):191-203. WU Songtao, ZHU Rukai, LI Xun, et al. Evaluation and application of porous structure characterization technologies in unconventional tight reservoirs[J]. Earth Science Frontiers, 2018, 25(2):191-203. |
[1] | 柳忠泉, 曾治平, 田继军, 李艳丽, 李万安, 张文文, 张治恒. 吉木萨尔凹陷二叠系芦草沟组“甜点”成因与分布预测[J]. 岩性油气藏, 2022, 34(3): 15-28. |
[2] | 程丹华, 焦霞蓉, 王建伟, 庄东志, 王政军, 江山. 黄骅坳陷南堡凹陷古近系沙一段页岩油储层特征及油气意义[J]. 岩性油气藏, 2022, 34(3): 70-81. |
[3] | 崔俊, 毛建英, 陈登钱, 施奇, 李雅楠, 夏晓敏. 柴达木盆地西部地区古近系湖相碳酸盐岩储层特征[J]. 岩性油气藏, 2022, 34(2): 45-53. |
[4] | 肖威, 张兵, 姚永君, 王艳, 杨洪宇, 杨凯. 川东二叠系龙潭组页岩岩相特征与沉积环境[J]. 岩性油气藏, 2022, 34(2): 152-162. |
[5] | 何贤, 闫建平, 王敏, 王军, 耿斌, 李志鹏, 钟光海, 张瑞湘. 低渗透砂岩孔隙结构与采油产能关系——以东营凹陷南坡F154区块为例[J]. 岩性油气藏, 2022, 34(1): 106-117. |
[6] | 常少英, 刘玲利, 崔钰瑶, 王锋, 宋明星, 穆晓亮. 浅水三角洲薄砂层地震沉积表征技术——以准噶尔盆地芳草湖地区清水河组为例[J]. 岩性油气藏, 2022, 34(1): 139-147. |
[7] | 陈永波, 张虎权, 张寒, 曾华会, 王斌, 王洪求, 许多年, 马永平, 宗兆云. 基于OVT域偏移数据的云质岩储层预测技术及应用——以玛湖凹陷乌夏地区风三段为例[J]. 岩性油气藏, 2021, 33(6): 145-155. |
[8] | 王剑, 周路, 靳军, 向宝力, 胡文瑄, 杨洋, 康逊. 准噶尔盆地玛南地区乌尔禾组砂砾岩优质储层特征[J]. 岩性油气藏, 2021, 33(5): 34-44. |
[9] | 张文文, 韩长城, 田继军, 张治恒, 张楠, 李正强. 吉木萨尔凹陷二叠系芦草沟组层序地层划分及演化特征[J]. 岩性油气藏, 2021, 33(5): 45-58. |
[10] | 杜猛, 向勇, 贾宁洪, 吕伟峰, 张景, 张代燕. 玛湖凹陷百口泉组致密砂砾岩储层孔隙结构特征[J]. 岩性油气藏, 2021, 33(5): 120-131. |
[11] | 毛锐, 牟立伟, 王刚, 樊海涛. 基于核磁共振自由弛豫特征的含油性评价方法——以玛湖凹陷下乌尔禾组砾岩储层为例[J]. 岩性油气藏, 2021, 33(5): 140-147. |
[12] | 王静怡, 周志军, 魏华彬, 崔春雪. 基于页岩孔隙网络模型的油水两相流动模拟[J]. 岩性油气藏, 2021, 33(5): 148-154. |
[13] | 徐宁宁, 王永诗, 张守鹏, 邱隆伟, 张向津, 林茹. 鄂尔多斯盆地大牛地气田二叠系盒1段储层特征及成岩圈闭[J]. 岩性油气藏, 2021, 33(4): 52-62. |
[14] | 张文凯, 施泽进, 田亚铭, 王勇, 胡修权, 李文杰. 川东南志留系小河坝组致密砂岩孔隙类型及成因[J]. 岩性油气藏, 2021, 33(4): 10-19. |
[15] | 魏钦廉, 崔改霞, 刘美荣, 吕玉娟, 郭文杰. 鄂尔多斯盆地西南部二叠系盒8下段储层特征及控制因素[J]. 岩性油气藏, 2021, 33(2): 17-25. |
|