Diagenetic facies analysis and sweet point reservoir prediction for the 3rd Member of Liushagang Formation in the Weixinan Sag

LOU Min; YANG Xianghua; YAO Guangqing; JIANG Ping; QIU Lingyue

doi:10.16562/j.cnki.0256-1492.2019072202

Marine Geology & Quaternary Geology > 2020 > 40(3): 171-184. > DOI: 10.16562/j.cnki.0256-1492.2019072202

LOU Min, YANG Xianghua, YAO Guangqing, JIANG Ping, QIU Lingyue. Diagenetic facies analysis and sweet point reservoir prediction for the 3rd Member of Liushagang Formation in the Weixinan Sag[J]. Marine Geology & Quaternary Geology, 2020, 40(3): 171-184. DOI: 10.16562/j.cnki.0256-1492.2019072202

Citation:

PDF (14004 KB)

Diagenetic facies analysis and sweet point reservoir prediction for the 3rd Member of Liushagang Formation in the Weixinan Sag

1.
Shanghai Branch of CNOOC Ltd, Shanghai 200335, China
2.
Faculty of Earth Resources, China University of Geosciences, Wuhan 430074, China
3.
Zhangjiang Branch of CNOOC Ltd, Zhanjiang 524057, China
4.
China University of petroleum, Beijing 102249, China

More Information

Received Date: July 21, 2019
Revised Date: November 23, 2019
Available Online: June 01, 2020

Graphical Abstract

Abstract

Abstract

Data from cores, casting thin sections, scanning electron microscopy, cathodoluminescence and X-ray diffraction are applied to study the petrological characteristics and diagenesis of the reservoirs of the 3^rd Member of the Liushagang Formation in the Weixinan Sag of Beibu Gulf Basin. Special attention is paid to diagenesis and its evolutionary stages. It is found that strong compaction is the main reason for density and tightness increase of the sediments. Cementation seems to have certain negative impact to reservoir properties, but the early carbonate cementation and authigenic kaolinite always have close connections with high-quality reservoirs. Dissolution is a basic process for enhancement of reservoir qualities, and fractures may improve the permeability of reservoir rocks. According to the intensity of diagenesis and the composition of diagenetic minerals, five types of diagenetic facies are qualitatively recognized. Among them, the diagenetic facies of weak compaction and weak cementation are the best for hydrocarbon accumulation, followed by the medium compaction and medium dissolution facies, and the strong compaction and medium to strong dissolution facies. The compaction and filling facies and the densely carbonate cemented facies are listed the worst in quality. Five types of logging curves are selected to define and describe the diagenetic facies. With the spatial distribution of diagenetic facies, it is recognized that the shallow buried deltaic reservoirs in the east of the study area, and the thick conglomerate reservoir of underwater distributary channel facies in northwest and southwest fan deltas are the sweet points of reservoirs in the study area.
- diagenesis,
- diagenetic facies,
- low permeability reservoir,
- 3rd Member of Liushagang Formation,
- Weixinan Sag

FullText(HTML)

References (26)

References

[1]	陈彦华, 刘莺. 成岩相-储集体预测的新途径[J]. 石油实验地质, 1994, 16(3):274-280. [CHEN Yanhua, LIU Ying. Diagenetic facies──a new approach to the prediction of reservoir rocks [J]. Experimental Petroleum Geology, 1994, 16(3): 274-280. doi: 10.11781/sysydz199403274
[2]	裘亦楠, 薛叔浩, 应凤祥. 中国陆相油气储集层[M]. 北京: 石油工业出版社, 1997. QIU Yinan, XUE Shuhao, YING Fengxiang. China continental oil and gas reservoir[M]. Beijing: Petroleum Industry Press, 1997.
[3]	覃建雄, 田景春, 杨作升. 陕甘宁盆地中部马五 $\frac{1}{4}$ 气层成岩相与有利储集区预测[J]. 中国海上油气(地质), 2000, 14(1):38-41. [QIN Jianxiong, TIAN Jingchun, YANG Zuosheng. The study of diagenetic phases and prediction of prospective reservoirs in m5_4~1 gas-bearing formation in the center of Ordos basin [J]. China Offshore Oil and Gas, 2000, 14(1): 38-41.
[4]	邹才能, 陶士振, 周慧, 等. 成岩相的形成、分类与定量评价方法[J]. 石油勘探与开发, 2008, 35(5):526-540. [ZOU Caineng, TAO Shizhen, ZHOU Hui, et al. Genesis, classification and evaluation method of diagenetic facies [J]. Petroleum Exploration and Development, 2008, 35(5): 526-540. doi: 10.3321/j.issn:1000-0747.2008.05.002
[5]	赖锦, 王贵文, 王书南, 等. 碎屑岩储层成岩相研究现状及进展[J]. 地球科学进展, 2013, 28(1):39-50. [LAI Jin, WANG Guiwen, WANG Shu’nan, et al. Research status and advances in the diagenetic facies of clastic reservoir [J]. Advances in Earth Science, 2013, 28(1): 39-50. doi: 10.11867/j.issn.1001-8166.2013.01.0039
[6]	李盼, 刘之的, 陈玉明, 等. 测井资料在低孔低渗储集层成岩相识别中的应用综述[J]. 地球物理学进展, 2017, 32(1):183-190. [LI Pan, LIU Zhidi, CHEN Yuming, et al. Summarization of application for identifying diagenetic facies in low porosity and low permeability reservoirs using well-logging information [J]. Progress in Geophysics, 2017, 32(1): 183-190. doi: 10.6038/pg20170125
[7]	Lai J, Wang G W, Wang S, et al. Review of diagenetic facies in tight sandstones: Diagenesis, diagenetic minerals, and prediction via well logs [J]. Earth-Science Reviews, 2018, 185: 234-258. doi: 10.1016/j.earscirev.2018.06.009
[8]	张响响, 邹才能, 朱如凯, 等. 川中地区上三叠统须家河组储层成岩相[J]. 石油学报, 2011, 32(2):257-264. [ZHANG Xiangxiang, ZOU Caineng, ZHU Rukai, et al. Reservoir diagenetic facies of the Upper Triassic Xujiahe Formation in the central Sichuan Basin [J]. Acta Petrolei Sinica, 2011, 32(2): 257-264. doi: 10.7623/syxb201102010
[9]	高辉, 孙卫. 鄂尔多斯盆地合水地区长8储层成岩作用与有利成岩相带[J]. 吉林大学学报: 地球科学版, 2010, 40(3):542-548. [GAO Hui, SUN Wei. Diagenesis and favorable diagenetic facies of Chang 8 reservoir in Heshui Area, Ordos Basin [J]. Journal of Jilin University: Earth Science Edition, 2010, 40(3): 542-548.
[10]	杨威, 魏国齐, 金惠, 等. 碳酸盐岩成岩相研究方法及其应用——以扬子地块北缘飞仙关组鲡滩储层为例[J]. 岩石学报, 2011, 27(3):749-756. [YANG Wei, WEI Guoqi, JIN Hui, et al. Methods for diagenetic facies research on carbonate rocks and its application: Example from oolitic beach reservoir of the Febdanguan Formation in the northern margin of Yangtze block [J]. Acta Petrologica Sinica, 2011, 27(3): 749-756.
[11]	李珊珊, 彭松, 陶倩倩, 等. 涠西南凹陷南斜坡晚始新世扇三角洲复杂储层预测关键技术及油气地质意义[J]. 海洋地质与第四纪地质, 2017, 37(2):160-168. [LI Shanshan, PENG Song, TAO Qianqian, et al. Key techniques for prediction of late Eocene fan deltaic reservoir complex on southern slope of Weixinan depression and their petroleum geological significance [J]. Marine Geology & Quaternary Geology, 2017, 37(2): 160-168.
[12]	张辉, 姜平, 蔡军, 等. 涠西南凹陷流沙港组一段储层物性影响因素研究[J]. 海洋石油, 2013, 33(2):8-14. [ZHANG Hui, JIANG Ping, CAI Jun, et al. Control factors on physical property of Liu-1 Member of Liushagang Fm in Weixinan sag, Beibuwan basin [J]. Offshore Oil, 2013, 33(2): 8-14. doi: 10.3969/j.issn.1008-2336.2013.02.008
[13]	吴仕玖, 尤丽, 招湛杰, 等. 涠西南凹陷斜阳斜坡带流三段储层特征与有利储层分布[J]. 东北石油大学学报, 2017, 41(4):24-31, 122. [WU Shijiu, YOU Li, ZHAO Zhanjie, et al. Reservoir characteristics and favorable reservoir distribution of member three of Liushagang Formation of Xieyang slope in Weixinan Sag [J]. Journal of Northeast Petroleum University, 2017, 41(4): 24-31, 122. doi: 10.3969/j.issn.2095-4107.2017.04.003
[14]	高凌, 张明伟, 严恒, 等. 涠西南凹陷涠洲10-A油田及围区流三段储层特征及控制因素[J]. 中国矿业, 2017, 26(9):156-163, 168. [GAO Ling, ZHANG Mingwei, YAN Heng, et al. Reservoir characteristics and control factors of member 3 of the Liushagang formation, WZ10-A oilfield and surrounding areas, Weixinan sag [J]. China Mining Magazine, 2017, 26(9): 156-163, 168.
[15]	姚光庆, 张建光, 姜平, 等. 涠西南凹陷11-7构造区流沙港组中深层有效储层下限厘定[J]. 地学前缘, 2012, 19(2):102-109. [YAO Guangqing, ZHANG Jianguang, JIANG Ping, et al. The physical property lower limit of medium-deep effective clastic reservoirs in Liushagang formation, 11-7 district of Weixinan depression [J]. Earth Science Frontiers, 2012, 19(2): 102-109.
[16]	刘景环, 王瑞丽, 尤丽, 等. 涠西南凹陷流沙港组成岩相与有效储层研究[J]. 西南石油大学学报: 自然科学版, 2012, 34(6):175-184. [LIU Jinghuan, WANG Ruili, You Li, et al. Study on the diagenetic facies and effective clastic reservoirs in Liushagang Formation of Weixinan Sag [J]. Journal of Southwest Petroleum University: Science & Technology Edition, 2012, 34(6): 175-184.
[17]	郭飞飞, 王韶华, 孙建峰, 等. 北部湾盆地涠西南凹陷油气成藏条件分析[J]. 海洋地质与第四纪地质, 2009, 29(3):93-98. [GUO Feifei, WANG Shaohua, SUN Jianfeng, et al. Analysis on the conditions of petroleum accumulation in Weixinan sag, Beibuwan basin [J]. Marine Geology & Quaternary Geology, 2009, 29(3): 93-98.
[18]	李茂, 朱绍鹏, 邹明生, 等. 涠西南凹陷复杂断块和隐蔽油气藏滚动勘探开发实践[J]. 中国海上油气, 2015, 27(4):73-79. [LI Mao, ZHU Shaopeng, ZOU Mingsheng, et al. Progressive exploration and development of complex fault-block and subtle reservoirs in Weixinan sag [J]. China Offshore Oil and Gas, 2015, 27(4): 73-79.
[19]	程启贵, 张磊, 郑海妮, 等. 基于成岩作用定量表征的成岩储集相分类及意义——以鄂尔多斯盆地王窑-杏河-侯市地区延长组长6油层组特低渗储层为例[J]. 石油天然气学报: 江汉石油学院学报, 2010, 32(5):60-65. [CHEN Qigui, ZHANG Lei, ZHANG Haini, et al. Classification and significance of diagenesis reservoir facies based on the quantitative characterization of diagenesis——By taking Chang-6 Extra-low permeability reservoirs of Yanchang formation of Triassic system in Wangyao-Xinghe-Houshi area of Ordos basin for example [J]. Journal of Oil and Gas Technology: JPI, 2010, 32(5): 60-65.
[20]	史超群, 王云龙, 秦智, 等. 松辽盆地大安油田下白垩统泉头组四段特低渗-超低渗储集层成岩作用定量研究[J]. 古地理学报, 2016, 18(2):251-264. [SHI Chaoqun, WANG Yunlong, QIN Zhi, et al. Quantitative study on diagenesis in reservoirs with extra-low to ultra-low permeability in the Member 4 of Lower Cretaceous Quantou formation in Da’an Oilfield, Songliao basin [J]. Journal of Palaeogeography, 2016, 18(2): 251-264. doi: 10.7605/gdlxb.2016.02.019
[21]	Scherer M. Parameters influencing porosity in sandstones: A model for sandstone porosity prediction [J]. AAPG Bulletin, 1987, 71(5): 485-491.
[22]	Beard D C, Weyl P K. Influence of texture on porosity and permeability of unconsolidated sand [J]. AAPG Bulletin, 1973, 57(2): 349-369.
[23]	Chai Y, Wang G W, Lai J. Diagenetic facies characteristics and logging recognition of tight sandstone reservoir in Xu-2 section of Anyue Area, Sichuan [J]. Journal of Earth Sciences and Environment, 2014, 36(3): 38-51.
[24]	赖锦, 王贵文, 王书南, 等. 碎屑岩储层成岩相测井识别方法综述及研究进展[J]. 中南大学学报: 自然科学版, 2013, 44(12):4942-4953. [LAI Jin, WANG Guiwen, WANG Shunan, et al. Overview and research progress in logging recognition method of clastic reservoir diagenetic facies [J]. Journal of Central South University: Science and Technology, 2013, 44(12): 4942-4953.
[25]	娄敏, 杨香华, 江平, 等. 西湖凹陷中央背斜带中北部花港组储层成岩相测井识别[J]. 石油地质与工程, 2019, 33(4):6-10. [LOU Min, YANG Xianghua, JIANG Ping, et al. Reservoir diagenetic facies logging identification of Huagang formation in central-northern of the central anticlinal belt of Xihu sag [J]. Petroleum Geology and Engineering, 2019, 33(4): 6-10. doi: 10.3969/j.issn.1673-8217.2019.04.002
[26]	庞国印, 唐俊, 王琪, 等. 利用概率神经网络预测成岩相——以鄂尔多斯盆地合水地区延长组长8段储层为例[J]. 特种油气藏, 2013, 20(2):43-47. [PANG Guoyin, TANG Jun, WANG Qi, et al. Prediction of diagenetic facies with probabilistic neural network-taking member Chang 8 of Heshui Area in Ordos basin as an example [J]. Special Oil & Gas Reservoirs, 2013, 20(2): 43-47. doi: 10.3969/j.issn.1006-6535.2013.02.010