Characteristics and Evolutionary Pattern of Incised Valley in Chepaizi Area, Junggar Basin
-
摘要: 下切谷作为一种特殊的层序内部组成要素，其侵蚀-充填演化模式对于层序划分和油气勘探均具有重要意义.综合利用三维地震、钻井、古生物等资料，展开了对下切谷下切-充填的演化过程分析.研究表明地震相干切片识别出东西、南东、南北3类不同流向的下切谷.在地震剖面上，下切谷表现为以V型为主的形态特征，内部充填样式以前积、发散、上超等样式为主.结合区域地质背景分析认为，海西-燕山运动期车排子凸起强烈隆升，基准面快速下降导致对下伏地层产生侵蚀，下切谷由此产生.古近系之后开始沉降，基准面重新上升使得下切谷开始接受沉积充填，充填时限与古岸线位置有关.对下切谷的演化控制因素讨论认为，下切谷的下切-充填演化受到构造、古地貌、古气候及物源供给等因素的共同影响.Abstract: It is important for sequence stratigraphy and oil-gas exploration to explore major internal sequence compositions such as the evolution of erosion and filling patterns. In this paper, incised valley characteristics and evolutionary model are studied using 3D seismic data, drilling data and paleontological data. The results show that there are a series of incised valleys in the study area, which are determined and divided into three different kinds of strike including E-W, S-E and N-S respectively by the seismic profile. The morphology of incised valleys on the seismic profile shows a V-shape, while the internal filling patterns are of progradational configuration, divergent configuration and on-lap configuration. Regional geological data indicate that Chepaizi area started to uplift during the Heisey-Indosinian movement, resulting in the formation of an incised valley by a drop in base level. After the Paleogene, the base level restarted to rise, so the incised valley started to fill, with the filling time related to the position of ancient coastline. The evolutionary model of incised valleys is controlled by tectonics, topography, paleoclimate and source supply.
-
Key words:
- Chepaizi /
- incised valley /
- base level /
- filling /
- evolutionary pattern /
- seismic prospecting /
- stratigraphy
-
图 2 春光油田白垩系层序地震解释方案
Fig. 2. Seismic interpretation of the sequence of Cretaceous in ChunGuang oil filed
图 3 研究区下切谷相干切片图及平面分布示意
Fig. 3. The coherent body slices and the distribution characteristics schematic diagram of incised valley in study area
图 4 研究区下切谷几何外形地震剖面
a.南部单一下切谷；b.南东流向多支流下切谷；c.南东流向单一下切谷Ⅰ；d.南东流向单一下切谷Ⅱ；e.东西流向下切谷
Fig. 4. Geometry of the seismic profile of incised valley in the study area
图 5 车排子春光地区下切谷内部充填样式
a.下切谷侧向加积型充填；b.下切谷双向上超型充填；c.平行下切谷走向剖面
Fig. 5. Internal filling style of incised valley in Chepaizi area
图 6 下切谷内部充填物典型岩心照片
a.春111E灰绿色含砾泥岩；b.春11褐红色细砾岩；c.春17-11灰白色沙砾岩
Fig. 6. Typical photos of the core in the incised valley filling
图 7 白垩系各沉积期古岸线迁移
Fig. 7. The migration of ancient coastline in each sedimentary period during Cretaceous
图 8 下切谷充填时限地震剖面响应
Fig. 8. The response of seismic profiles with the incised valley filling time
图 9 车排子凸起下切谷-斜坡扇沉积模式
Fig. 9. The sedimentary model of incised valley-slope fan in Chepaizi area
-
[1] Bowen, D.W., Weimer, P., 2003. Regional Sequence Stratigraphic Setting and Reservoir Geology of Morrow Incised-Valley Sandstones (Lower Pennsylvanian), Eastern Colorado and Western Kansas. AAPG Bulletin, 87(5): 781-815. doi: 10.1306/08010201131 [2] Fisk, H.N., Mcfalan, E. Jr., 1955. Late Quaternary Deltaic Deposits of the Mississippi River. Geologic Society of America Special Paper, 62: 269-302. doi: 10.1130/SPE62-p279 [3] Green, A.N., Dladla, N., Garlick, G.L., 2012. Spatial and Temporal Variations in Incised Valley Systems from the Durban Continental Shelf, KwaZulu-Natal, South Africa. Marine Geology, 335(1): 148-161. doi: 10.1016/j.margeo.2012.11.002 [4] He, D.F., Chen, X.F., Kuang, J., et al., 2008. Development and Genetic Mechanism of Chepaizi-Mosuowan Uplift in Junggar Basin. Earth Science Frontiers, 15(4): 42-55(in Chinese with English abstract). doi: 10.1016/S1872-5791(08)60038-X [5] Jing, H., Jiang, H., Xiang, K., 2007. Key Factors to Control Formation Conditions of Stratigraphic Pools in Chepaizi Area, the West of the Junggar Basin. Petroleum Geology & Experiment, 29(4): 377-383(in Chinese with English abstract). http://www.researchgate.net/publication/285763943_Key_factors_to_control_formations_condition_of_stratigraphic_pools_in_Chepaizi_Area_the_West_of_the_Junggar_Basin [6] Kadir, E.A., Bassant, P., Bans, U., et al., 2003. Tectono-Stratigraphic Evolution of an Early Miocene Incised Valley-Fill(Derincay Formation) in the Mut Basin, Southern Turkey. Sedimentary Geology, 173: 151-185. doi: 10.1016/j.sedgeo.2003.12.011 [7] Li, C.X., Fan, D.D., Yang, S.Y., et al., 2008. Characteristics and Formation of the Late Quaternary Incised-Valley Sequences in Estuary and Delta Areas in China. Journal of Palaeogeography, 10(1): 87-97(in Chinese with English abstract). http://epub.cnki.net/grid2008/docdown/docdownload.aspx?filename=GDLX200801015&dbcode=CJFD&year=2008&dflag=pdfdown [8] Li, J.C., Li, X., Wang, Z.M., 1987. Structural Characteristics and Formation Mechanism at Chepaizi Area of the Junggar Basin. Xinjiang Petroleum Geology, 8(1): 8-16(in Chinese). [9] Li, T., Lu, Y.C., Chen, P., et al., 2008. Discovery of Incised Valley and Its Petroleum Geological Significance at Chepaizi Area of the Junggar Basin. Petroleum Geology & Experiment, 30(4): 363-366(in Chinese with English abstract). http://www.cnki.com.cn/Article/CJFDTotal-SYSD200804010.htm [10] Maselli, V., Trincardi, F., 2013. Large-Scale Single Incised Valley from a Small Catchment Basin on the Western Adriatic Margin (Central Mediterranean Sea). Global and Planetary Change, 100: 245-262. doi: 10.1016/j.gloplacha.2012.10.008 [11] Posamentier, H.W., Allen, G.P., 1993. Siliciclastic Sequence Stratigraphic Patterns in Foreland Ramp-Type Basins. Geology, 21(5): 455-458. doi:10.1130/0091-7613(1993)021<0455:SSSPIF>2.3.CO;2 [12] Van Wagoner, J.C., Mitchum, R.M., Campion, K.M., et al. 1990. Siliciclastic Sequence Stratigraphy in Well Logs, Cores and Outcrops: Concepts for High-Resolution Correlation of Time and Facies. AAPG Methods in Exploration Series, 7: 1-55. http://ci.nii.ac.jp/ncid/BA24833751 [13] Weber, N., Chaumillon, E., Tesson, M., et al., 2004. Architecture and Morphology of the Outer Segment of a Mixed Tide and Wave-Dominated-Incised Valley, Revealed by HR Seismic Reflection Profiling: The Paleo-Charente River France. Marine Geology, 207: 17-38. doi: 10.1016/j.margeo.2004.04.001 [14] Xian, B.Z., Jiang, Z.X., Cao, Y.C., et al., 2001. Discovery of Incised Valley in Southeast of Biyan Depression and Its Significance. Oil & Gas Geology, 22(4): 304-308, 318(in Chinese with English abstract). http://en.cnki.com.cn/Article_en/CJFDTOTAL-SYYT200104003.htm [15] Xing, F.C., Lu, Y.C., Liu, C.H., et al., 2008. Structural-Paleogeomorphologic Features of Chepaizi Area and Mechanism of Their Control on Sandbodies. Oil & Gas Geology, 29(1): 78-83, 106(in Chinese with English abstract). http://www.researchgate.net/publication/292755901_Structural-paleogeomorphologic_features_of_Chepaizi_Area_and_mechanism_of_their_control_on_sandbodies [16] Xiang, K., 2007. Entrenched Valley Depositional System and Advantageous Exploration Direction of Chepaizi Area in Junggar Basin. Journal of China University of Petroleum, 31(6): 1-5(in Chinese with English abstract). http://www.researchgate.net/publication/295366423_Entrenched_valley_depositional_system_and_advantageous_exploration_direction_of_Chepaizi_area_in_Junggar_Basin [17] Xin, R.C., Li, G.F., Xiang, S.M., 2008. The Incised Valley Filling Architecture of Cretaceous Yaojia Formation in the Western Clinoform of Songliao Basin. Earth Science—Journal of China University of Geosciences, 33(6): 834-842(in Chinese with English abstract). doi: 10.3799/dqkx.2008.100 [18] Yang, D.Q., Qiu, R.H., Zhao, Z., et al, . 2002. Eroded Valley-Topogenetic Lowstand Fan Sedimentary System in North Slop of Biyang Depression and Its Significance in Oil and Gas Exploration. Oil Geophysical Prospecting, 37(5): 485-490(in Chinese with English abstract). http://en.cnki.com.cn/Article_en/CJFDTOTAL-SYDQ200205009.htm [19] Yang, J.L., 2003. On the Cretaceous Charophytes, Biostratigraphy and Sequence Stratigraphy of the Junggar Basin, Xinjiang, China(Dissertation). Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing(in Chinese with English abstract). [20] Yang, Y., Chen, S.Y., Xiang, K., et al., 2011. Sequence Stratigraphy and Sedimentary Evolution of Lower Cretaceous Series in Chepaizi Area, Northwestern Margin of Junggar Basin. Journal of China University of Petroleum, 35(5): 20-26(in Chinese with English abstract). http://en.cnki.com.cn/Article_en/CJFDTOTAL-SYDX201105006.htm [21] 何登发, 陈新发, 况军, 等, 2008. 准噶尔盆地车排子-莫索湾古隆起的形成演化与成因机制. 地学前缘, 15(4): 42-55. https://www.cnki.com.cn/Article/CJFDTOTAL-DXQY200804007.htm [22] 靖辉, 江洪, 向奎, 2007. 准噶尔盆地西缘车排子地区岩性油气藏成藏主控因素. 石油实验地质, 29(4): 377-383. doi: 10.3969/j.issn.1001-6112.2007.04.009 [23] 李从先, 范代读, 杨守业, 等, 2008. 中国河口三角洲地区晚第四纪下切河谷层序特征和形成. 古地理学报, 10(1): 87-97. https://www.cnki.com.cn/Article/CJFDTOTAL-GDLX200801015.htm [24] 李景晨, 李旭, 王招明, 1987. 准噶尔盆地车排子地区构造特征及形成机制. 新疆石油地质, 8(1): 8-16. https://www.cnki.com.cn/Article/CJFDTOTAL-XJSD198701001.htm [25] 李涛, 陆永潮, 陈平, 等, 2008. 准噶尔盆地车排子地区下切谷的发现及其油气地质意义. 石油实验地质, 30(4): 363-366. doi: 10.3969/j.issn.1001-6112.2008.04.008 [26] 鲜本忠, 姜在兴, 操应长, 等, 2001. 泌阳凹陷东南部下切谷的发现及其意义. 石油与天然气地质, 22(4) : 304-308, 318. https://www.cnki.com.cn/Article/CJFDTOTAL-SYYT200104003.htm [27] 邢凤存, 陆永潮, 刘传虎, 等, 2008. 车排子地区构造-古地貌特征及其控砂机制. 石油与天然气地质, 29(1): 78-83, 106. https://www.cnki.com.cn/Article/CJFDTOTAL-SYYT200801014.htm [28] 向奎, 2007. 准噶尔盆地车排子地区下切谷沉积体系及有利勘探方向. 中国石油大学学报(自然科学版), 31(6): 1-5. https://www.cnki.com.cn/Article/CJFDTOTAL-SYDX200706002.htm [29] 辛仁臣, 李桂范, 向淑敏, 2008. 松辽盆地盆西斜坡白垩系姚家组下切谷充填结构. 地球科学——中国地质大学学报, 33(6): 834-842. https://www.cnki.com.cn/Article/CJFDTOTAL-DQKX200806012.htm [30] 杨道庆, 邱荣华, 赵追, 等, 2002. 泌阳凹陷北坡下切谷-低位扇沉积体系及其油气勘探意义. 石油地球理勘探, 37(5): 486-490. https://www.cnki.com.cn/Article/CJFDTOTAL-SYDQ200205009.htm [31] 杨景林, 2003. 准噶尔盆地白垩纪轮藻植物群及相关的生物地层和层序地层研究(博士学位论文). 南京: 中国科学院南京地质古生物研究所. [32] 杨勇, 陈世悦, 向奎, 等, 2011. 准噶尔盆地西北缘车排子地区下白垩统层序地层与沉积演化. 中国石油大学学报(自然科学版), 35(5): 20-26. https://www.cnki.com.cn/Article/CJFDTOTAL-SYDX201105006.htm -
下载:
点击查看大图
图(10)
计量
- 文章访问数: 3404
- HTML全文浏览量: 167
- PDF下载量: 514
- 被引次数: 0
