Effective techniques for seismic description of reservoirs in Jiyang Depression, Bohai Bay Basin
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摘要: 通过大量钻井与地震资料的对比分析，提出了渤海湾盆地济阳坳陷现阶段5种油藏类型三维地震描述的有效技术系列。基于高精度等时地层格架的保幅拓频处理、叠前叠后敏感属性融合应用、含油气性综合判识等是河道砂岩油藏地震描述的有效技术。测井约束层序细分、沉积微相随机模拟结合阻抗岩相概率体识别沉积微相与岩石相、相控约束多参数预测有效储层等技术，可有效应用于砂砾岩扇体油藏的地震描述。在提高分辨率处理的基础上，采用多属性融合技术，可以预测滩坝砂岩油藏的有效储层。甜点属性、地震波形指示反演、叠前弹性参数反演、岩性概率反演等技术，可有效描述浊积砂岩油藏。通过断层增强处理，应用多属性体联合识别断层，进行断层平面组合优化、空间立体解释等可以精细刻画复杂断块油藏。技术有效性是随着地震资料精度和品质以及地质条件的变化而变化的。Abstract: A series of 3D seismic descriptions for five reservoir types in the Jiyang Depression of Bohai Bay Basin was proposed based on the comparison and analysis of a large amount of drilling and seismic data. The effective techniques for seismic description of channel sandstone reservoirs include amplitude preserving and frequency extension processing based on high-precision isochronous stratigraphic framework, fusion of pre-stack and post-stack sensitive attributes, and comprehensive identification of oil and gas potential. Logging constrained sequence subdivision, sedimentary microfacies and lithofacies identifications by stochastic simulation and probability body subdivision of impedance lithofacies, and phase constrained multi-parameter prediction of effective reservoir can be effectively applied to seismic description of a conglomeritic fan reservoir. On the basis of improving processing resolution, multi-attribute fusion technology can effectively predict the effective beach bar sandstone reservoirs. The techniques such as "sweet spot" attribute analysis, seismic waveform indication inversion, pre-stack elastic parameter inversion, lithology probability inversion can effectively describe turbidite sandstone reservoirs. Fault enhancement processing, multi-attribute body joint identification of faults, optimization of fault plane combination and spatial three-dimensional interpretation can precisely describe complex fault block reservoirs. The technical effectiveness varies with the accuracy and quality of seismic data and the changes of geological conditions.
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Key words:
- channel sand /
- glutenite /
- turbidite /
- beach bar sand /
- complex fault block /
- seismic description /
- Jiyang Depression /
- Bohai Bay Basin
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图 1 渤海湾盆地济阳坳陷埕岛东部馆上段Ⅳ3砂组砂岩厚度与均方根振幅关系
Figure 1. Relationship between sandstone thickness and root mean square amplitude of Ⅳ 3 in upper Guantao Formation, eastern Chengdao, Jiyang Depression
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[1] 张建宁, 谭明友. 济阳坳陷馆上段河道砂体地震识别方法: 以孤南洼陷为例[J]. 油气地球物理, 2004, 2(3): 41-45. https://www.cnki.com.cn/Article/CJFDTOTAL-KTSY201703007.htmZHANG Jianning, TAN Mingyou. Seismic identification method for Ng2 of Jiyang Depression[J]. Petroleum Geophysics, 2004, 2(3): 41-45. https://www.cnki.com.cn/Article/CJFDTOTAL-KTSY201703007.htm [2] 马立驰, 王永诗, 景安语. 渤海湾盆地济阳坳陷隐蔽潜山油藏新发现及其意义[J]. 石油实验地质, 2020, 42(1): 13-18. doi: 10.11781/sysydz202001013MA Lichi, WANG Yongshi, JING Anyu. Discovery and significance of subtle buried hills in Jiyang Depression, Bohai Bay Basin[J]. Petroleum Geology & Experiment, 2020, 42(1): 13-18. doi: 10.11781/sysydz202001013 [3] 彭丽, 伍轶鸣, 练章贵, 等. 陆相断陷湖盆高频层序特征及其沉积演化: 以渤海湾盆地济阳坳陷沙三下亚段为例[J]. 石油与天然气地质, 2019, 40(4): 789-798. https://www.cnki.com.cn/Article/CJFDTOTAL-SYYT201904010.htmPENG Li, WU Yiming, LIAN Zhanggui, et al. Features and sedimentary evolution of high-frequency sequence in continental lacustrine rift basin: example of the lower Shahejie member 3 in Jiyang Depression, Bohai Bay Basin[J]. Oil & Gas Geology, 2019, 40(4): 789-798. https://www.cnki.com.cn/Article/CJFDTOTAL-SYYT201904010.htm [4] 路智勇, 吴孔友. 东营凹陷滑动及滑塌扇体特征及分布模式[J]. 特种油气藏, 2020, 27(3): 8-13. doi: 10.3969/j.issn.1006-6535.2020.03.002LU Zhiyong, WU Kongyou. Sliding slumping fan characterization and distribution patterns in Dongying Sag[J]. Special Oil & Gas Reservoirs, 2020, 27(3): 8-13. doi: 10.3969/j.issn.1006-6535.2020.03.002 [5] 孟阳, 李宇志, 杨海中, 等. 东营凹陷永安镇油田沙四段永1砂砾岩体演化过程及成藏意义[J]. 油气地质与采收率, 2019, 26(5): 58-65. https://www.cnki.com.cn/Article/CJFDTOTAL-YQCS201905007.htmMENG Yang, LI Yuzhi, YANG Haizhong, et al. Evolution process and hydrocarbon accumulation significance of Yong1 glutenite body in Es4 Member in Yonganzhen Oilfield, Dongying Sag[J]. Petro-leum Geology and Recovery Efficiency, 2019, 26(5): 58-65. https://www.cnki.com.cn/Article/CJFDTOTAL-YQCS201905007.htm [6] 李桥, 王艳忠, 操应长, 等. 东营凹陷盐家地区沙四上亚段砂砾岩储层分类评价方法[J]. 沉积学报, 2017, 35(4): 812-823. https://www.cnki.com.cn/Article/CJFDTOTAL-CJXB201704015.htmLI Qiao, WANG Yanzhong, CAO Yingchang, et al. Classified evaluation of sand-conglomerate reservoir of the upper section of the fourth member of Shahejie Formation in Yanjia area, Dongying Depression[J]. Acta Sedimentologica Sinica, 2017, 35(4): 812-823. https://www.cnki.com.cn/Article/CJFDTOTAL-CJXB201704015.htm [7] 李来林, 赵海波, 吴清岭. 致密薄储层"甜点"的地震综合预测技术[J]. 大庆石油地质与开发, 2001, 33(5): 203-208. https://www.cnki.com.cn/Article/CJFDTOTAL-DQSK201405034.htmLI Lailin, ZHAO Haibo, WU Qingling. Integrated seismic predicting technique for the "sweet spot" in tight thin reservoirs[J]. Petro-leum Geology & Oilfield Development in Daqing, 2001, 33(5): 203-208. https://www.cnki.com.cn/Article/CJFDTOTAL-DQSK201405034.htm [8] 黄翔. 基于EMD重构地震信号的去噪方法[J]. 油气地球物理, 2017, 15(2): 18-23. https://cdmd.cnki.com.cn/Article/CDMD-11414-1021877308.htmHUANG Xiang. Denoising of the seismic signal reconstruction based on EMD[J]. Petroleum Geophysics, 2017, 15(2): 18-23. https://cdmd.cnki.com.cn/Article/CDMD-11414-1021877308.htm [9] 刘庆敏, 杨午阳, 田连玉, 等. 基于EMD分解的地震相分析技术研究及应用[C]//中国石油学会2010年物探技术研讨会论文集. 郑州: 中国地球物理学会, 中国石油学会, 2010: 508-513.LIU Qingmin, YANG Wuyang, TIAN Lianyu, et al. Research and application of seismic facies analysis technology based on EMD decomposition[C]//Proceedings of 2010 symposium on geophysical exploration technology of China Petroleum Society. Zhengzhou: Chinese Geophysical Society, Chinese Petroleum Society, 2010: 508-513. [10] 李存磊, 张金亮, 宋明水, 等. 基于沉积相反演的砂砾岩体沉积期次精细划分与对比: 以东营凹陷盐家地区古近系沙四段上亚段为例[J]. 地质学报, 2011, 85(6): 1008-1018. https://www.cnki.com.cn/Article/CJFDTOTAL-DZXE201106009.htmLI Cunlei, ZHANG Jinliang, SONG Mingshui, et al. Fine division and correlation of glutenite sedimentary periods based on sedimentary facies inversion: a case study from the Paleogene strata of upper ES4 in the Yanjia area, Dongying Depression[J]. Acta Geologica Sinica, 2011, 85(6): 1008-1018. https://www.cnki.com.cn/Article/CJFDTOTAL-DZXE201106009.htm [11] 王惠勇, 陈世悦, 张云银, 等. 东营凹陷浊积岩优质储层预测技术[J]. 石油地球物理勘探, 2014, 49(4): 776-783. https://www.cnki.com.cn/Article/CJFDTOTAL-SYDQ201404023.htmWANG Huiyong, CHEN Shiyue, ZHANG Yunyin, et al. Turbidite high-quality reservoir prediction in Dongying Depression[J]. Oil Geophysical Prospecting, 2014, 49(4): 776-783. https://www.cnki.com.cn/Article/CJFDTOTAL-SYDQ201404023.htm [12] 刘明洁, 季永承, 刘震, 等. 牛庄洼陷砂岩透镜体成藏关键因素与富集条件研究[J]. 特种油气藏, 2020, 27(1): 40-46. https://www.cnki.com.cn/Article/CJFDTOTAL-TZCZ202001006.htmLIU Mingjie, JI Yongcheng, LIU Zhen, et al. Key hydrocarbon accumulation factors and enrichment conditions of the sandstone lenses in Niuzhuang Sag[J]. Special Oil & Gas Reservoirs, 2020, 27(1): 40-46. https://www.cnki.com.cn/Article/CJFDTOTAL-TZCZ202001006.htm [13] 张军华, 刘杨, 林承焰, 等. 甜点地震属性理论诠释及应用[J]. 石油地球物理勘探, 2018, 53(2): 355-360. https://www.cnki.com.cn/Article/CJFDTOTAL-SYDQ201802018.htmZHANG Junhua, LIU Yang, LIN Chengyan, et al. Theoretical annotation and application of sweetness[J]. Oil Geophysical Prospecting, 2018, 53(2): 355-360. https://www.cnki.com.cn/Article/CJFDTOTAL-SYDQ201802018.htm [14] 杨涛, 乐友喜, 吴勇. 波形指示反演在储层预测中的应用[J]. 地球物理学进展, 2018, 33(2): 769-776. https://www.cnki.com.cn/Article/CJFDTOTAL-DQWJ201802042.htmYANG Tao, YUE Youxi, WU Yong. Application of the waveform inversion in reservoir prediction[J]. Progress in Geophysics, 2018, 33(2): 769-776. https://www.cnki.com.cn/Article/CJFDTOTAL-DQWJ201802042.htm [15] 冯玉苹. 地震数据的Hilbert-Huang变换与瞬时属性提取[J]. 油气地球物理, 2015, 13(4): 18-21.FENG Yuping. Hilbert-Huang transform of seismic data and instantaneous attribute extraction[J]. Petroleum Geophysics, 2015, 13(4): 18-21. [16] 牛拴文. 东辛油田营1断块多体联合精细构造解释方法研究[J]. 石油天然气学报, 2011, 33(6): 209-213. https://www.cnki.com.cn/Article/CJFDTOTAL-JHSX201106048.htmNIU Shuanwen. Research of accurate structural interpretation in fault block Ying 1 of Dongxin oilfield by synthesizing many techniques[J]. Journal of Oil and Gas Technology, 2011, 33(6): 209-213. https://www.cnki.com.cn/Article/CJFDTOTAL-JHSX201106048.htm -
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