李树同,王琪,仲佳爱,邱军利,刘志伟,乔华伟,廖朋
LI Shu-tong,WANG Qi,ZHONG Jia-ai,QIU Jun-li,LIU Zhi-wei,QIAO Hua-wei,LIAO Peng
摘要:
鄂尔多斯盆地长8段为浅水三角洲沉积,其沉积特征与典型的Gilbert三角洲有所不同。主要利用测井、岩心和薄片等资料,重点分析了姬塬地区长81砂体的物源搬运距离、物源补给量大小以及湖水水体性质、水动力条件等,确定了姬塬地区长81砂体沉积环境和形成条件。分析认为姬塬地区长81砂体距离物源区较近,物源供给稳定且较为充足;研究区长81期湖水水体浅且为微咸水,湖盆底部形态平缓,属于浅水三角洲沉积环境,其中,在长81期基准面上升过程中,湖水强势扩张使得湖水扩张动力大于河流入湖动力。姬塬地区长81沉积期,在物源补给量稳定且较为充足、湖水扩张动力强于河流入湖水动力的条件下,砂体受到湖水强烈的顶托作用,使砂体被动提前卸载,于是形成了垂向叠加期次不明显、纵向延伸距离长且连续性好的“连续退积式”厚层砂体。
中图分类号:
[1]Yang Hua.A comprehensive survey on the history of oil and gas exploration and development in Changqing Oilfield[J].Journal of Xi′an Shiyou University:Social Science Edition,2012,21(1):69-77.[杨华.长庆油田油气勘探开发历程述略[J].西安石油大学学报:社会科学版,2012,21(1):69-77.][2]Yang Hua,Fu Qiang,Fu Jinhua.Sedimentary Sequence and Petroleum Play of the Late Triassic,Ordos Basin[M].Beijing:Geological Publishing House,2007.[杨华,付强,付金华.鄂尔多斯晚三叠世盆地沉积层序与油气成藏[M].北京:地质出版社,2007.][3]Zheng Ximin,Song Guangshou,Wang Duoyun,et al.Sedimentary a-natomy of thick anisotropic sandstones for Chang 8 oil-bearing intervalin Longdong area,Shaan-Gan-Ning Basin[J].Acta Sedimentologica Sinica,2003,21(2):273-276[郑希民,宋广寿,王多云,等.陕甘宁盆地陇东地区长8油组厚层非均质砂体的沉积学解剖[J].沉积学报,2003,21(2):273-276][4]Wang Zhikun,Wang Duoyun,Zheng Ximin,et al.Depositional characteristics and physical behavior analysis of the Chang 6-8 reservoir of Triassic Yanchang Formation in Longdong area,Shaan-Gan-Ning Basin[J].Natural Gas Geoscience,2003,14(5):380-385.[王志坤,王多云,郑希民,等.陕甘宁盆地陇东地区三叠系延长统长6—长8储层沉积特征及物性分析[J]天然气地球科学,2003,14(5):380-385.][5]Liu Huaqing,Li Xiangbo,Wan Yanrong,et al.Palaeogeographic and sedimentological characteristics of the Triassic Chang 8,Ordos Basin,China[J].Acta Sedimentologica Sinica,2011,29(6):1086-1095.[刘化清,李相博,完颜容,等.鄂尔多斯盆地长8油层组古地理环境与沉积特征[J].沉积学报,2011,29(6):1086-1095.][6]Chu Meijuan,Guo Zhengquan,Bai Chang′e.Sedimentation and evolution features in Chang 8 reservoir of Yanchang Formation in Ordos Basin[J].Journal of Oil and Gas Technology,2012,34(2):13-18 .[楚美娟,郭正权,白嫦娥.鄂尔多斯盆地延长组长8油层组沉积及其演化特征[J].石油天然气学报,2012,34(2):13-18.][7]Li Yuanhao,Liu Chiyang,Du Yuguo,et al.Sedimentary characteristics of shallow water delta and lake shoreline control on sandbodies of Chang 8 oil-bearing interval of the Upper Triassic Yanchang Formation in northwestern Ordos Basin[J].Journal of Palaeogeography,2009,11(3):265-274.[李元昊,刘池洋,独育国,等.鄂尔多斯盆地西北部上三叠统延长组长8油层组浅水三角洲沉积特征及湖岸线控砂[J].古地理学报,2009,11(3):265-274.][8]Han Yonglin,Wang Chengyu,Wang Haihong,et al.Sedimentary characteristics of shallow-water deltas in Chang-8 subsection of Yanchang Formation,Jiyuan area[J].Acta Sedimentologica Sinica,2009,27(6):1057-1064.[韩永林,王成玉,王海红,等.姬塬地区长8油层组浅水三角洲沉积特征[J].沉积学报,2009,27(6):1057-1064.][9]Li Fengjie,Wang Duoyun,Chen Mingying.Isochronic correlation of sandbodies with Chang 8 oil formation by high resolution sequence analysis in Yanchang Formation,Xifeng Oilfield,Ordos Basin,China[J].Journal of Chengdu University of Technology:Science& Technology Edition,2007,34(2):121-127.[李凤杰,王多云,陈明应.西峰油田延长组长8油组砂体高分辨率层序等时对比分析[J].成都理工大学学报:自然科学版,2007,34(2):121-127.][10]Liu Xianyang,Li Shutong,Wang Qi,et al.Characteristics and eenetic model of sand body type in shallow gentle slope from Chang 81 in Shanbei area[J].Natural Gas Geoscience,2013,24(1):47-53.[刘显阳,李树同,王琪,等.陕北地区长81浅水缓坡砂体类型特征及成因模式[J].天然气地球科学,2013,24(1):47-53.][11]Luo Shunshe,Yin Xiao.Study on the sedimentary facies of Chang 8 of the Yanchang Formation in the Jiyuan area,Ordos Basin[J].Journal of Oil and GasTechnology,2008,30(4):4-9.[罗顺社,银晓.鄂尔多斯盆地姬塬地区延长组长8沉积相的研究[J].石油天然气学报,2008,30(4):4-9.][12]Deng Xiuqin,Lin Fangxiao,Liu Xianyang.Discussion on relationship between sedimentary evolution of the Triassic Yanchang Formation and the Early Indosinian movement in Ordos Basin[J].Journal of Palaeography,2008,10(2):159-166.[邓秀芹,蔺昉晓,刘显阳,等.鄂尔多斯盆地三叠系延长组沉积演化及其与早印支运动关系的探讨[J].古地理学报,2008,10(2):159-166.][13]Guo Yanru,Liu Huaqing,Li Xiangbo,et al.Method system on studying sequence stratigraphic framework of large sagged lacustrine basin:A case study from Mesozoic Yanchang Formation,Ordos Basin[J].Acta Sedimentologica Sinica,2008,26 (3):384-390.[郭彦如,刘化清,李相博,等.大型坳陷湖盆层序地层格架的研究方法体系——以鄂尔多斯盆地中生界延长组为例[J].沉积学报,2008,26(3):384-390.][14]Li Shutong,Wang Duoyun,Tao Huifei,et al.The Lake Distribution and evolution law of the Ordos Basin,in Triassic Yanchang period[J].Acta Sedimentologica Sinica,2009,27(1):41-47.[李树同,王多云,陶辉飞,等.鄂尔多斯盆地三叠纪延长期湖水分布特征及演化规律[J].沉积学报,2009,27(1):41-47.][15]Li Shutong,Wang Duoyun,Tao Huifei,et al.Depositional features and petroleum geological significance of the flooding layers in depression lake basins:A case study of Triassic Yanchang Formation in Ordos Basin[J].Journal of Xi′an Shiyou University:Natural Science Edition,2011,26(6):14-20.[李树同,王多云,陶辉飞,等.坳陷湖盆湖泛层沉积特征及其石油地质意义——以鄂尔多斯盆地三叠系延长组为例[J].西安石油大学学报:自然科学版,2011,26(6):14-20.]
|
[1] | 刘琴琴,陈桂华,陈晓智,祝彦贺,杨小峰. 鄂尔多斯盆地L地区上古生界上石盒子组物源特征及其对储层的控制作用[J]. 天然气地球科学, 2018, 29(8): 1094-1101. |
[2] | 朱立文,王震亮,张洪辉. 鄂尔多斯盆地乌审召地区山2亚段致密气“甜点”控因分析[J]. 天然气地球科学, 2018, 29(8): 1085-1093. |
[3] | 杨智峰,曾溅辉,韩菲. 鄂尔多斯盆地西南部延长组7段致密油充注影响因素分析[J]. 天然气地球科学, 2018, 29(7): 961-972. |
[4] | 王香增,张丽霞,姜呈馥,尹锦涛,高潮,孙建博,尹娜,薛莲花. 鄂尔多斯盆地差异抬升对长7页岩孔隙的影响——以东南部甘泉地区和南部渭北隆起地区为例[J]. 天然气地球科学, 2018, 29(5): 597-605. |
[5] | 王涛利,郝爱胜,陈清,李,王庆涛,卢鸿,刘大永. 中扬子宜昌地区五峰组和龙马溪组页岩发育主控因素[J]. 天然气地球科学, 2018, 29(5): 616-631. |
[6] | 郭睿良,陈小东,马晓峰,马静,[王琪],陈霖. 鄂尔多斯盆地陇东地区延长组长7段致密储层水平向可动流体特征及其影响因素分析[J]. 天然气地球科学, 2018, 29(5): 665-674. |
[7] | 杨超,贺永红,马芳侠,雷裕红,陈义国. 鄂尔多斯盆地南部三叠系延长组有机流体活动期次划分[J]. 天然气地球科学, 2018, 29(5): 655-664. |
[8] | 葛岩,朱光辉,万欢,潘新志,黄志龙. 鄂尔多斯盆地东缘紫金山侵入构造对上古生界致密砂岩气藏形成和分布的影响[J]. 天然气地球科学, 2018, 29(4): 491-499. |
[9] | 申宝剑,秦建中,腾格尔,潘安阳,仰云峰,边立曾. 中国南方海相烃源岩中细菌状化石识别[J]. 天然气地球科学, 2018, 29(4): 510-517. |
[10] | 屈雪峰,周晓峰,刘丽丽,丁黎. 鄂尔多斯盆地古峰庄—麻黄山地区长82低渗透砂岩致密化过程分析[J]. 天然气地球科学, 2018, 29(3): 337-348. |
[11] | 曹涛涛,邓模,宋之光,刘光祥,黄俨然,Andrew Stefan Hursthouse. 黄铁矿对页岩油气富集成藏影响研究[J]. 天然气地球科学, 2018, 29(3): 404-414. |
[12] | 魏新善,魏柳斌,任军峰,蔡郑红,周黎霞. 鄂尔多斯盆地下古生界风化壳气藏差异性[J]. 天然气地球科学, 2018, 29(2): 178-188. |
[13] | 陈跃,马东民,吴圣,李新虎,方世跃,郭晨. 鄂尔多斯盆地东缘煤系伴生泥页岩孔隙特征及主控因素[J]. 天然气地球科学, 2018, 29(2): 189-198. |
[14] | 姚泾利, 胡新友, 范立勇, 刘新社, 季海锟, . 鄂尔多斯盆地天然气地质条件、资源潜力及勘探方向[J]. 天然气地球科学, 2018, 29(10): 1465-1474. |
[15] | 王钊,周新平,李树同,李士祥,邱军利,张文选,王琪. 鄂尔多斯盆地吴起地区长9段和长10段原油地球化学特征对比[J]. 天然气地球科学, 2017, 28(9): 1385-1395. |
|