李亚龙;于兴河;单新;杜永慧;周劲松;韩小琴;

• 1:中国地质大学(北京)能源学院

• 2:陕西延长石油(集团)有限责任公司研究院

摘要(Abstract)：

二叠系下石盒子组盒8段为鄂尔多斯盆地东南部天然气主力产层。根据研究区盒8段砂岩组分、岩屑和重矿物分布等物源分析特征,结合粒度分析、岩石薄片和岩心沉积等资料,研究下石盒子组盒8段物源体系及沉积相展布规律。结果表明:盒8段物源主要来自北北东、北北西及南部方向,岩屑等组分的变化趋势指示物源在中心区域形成交汇区;砂岩组分以石英为主,岩屑次之,长石极少,岩屑以变质岩岩屑为主;沉积相主要为辫状河三角洲相,可进一步划分为三角洲平原和三角洲前缘亚相,其中三角洲平原亚相以水下分流河道为主要微相,三角洲前缘亚相以河口坝为主要微相;砂体形态以厚层宽浅型为主,粒度概率曲线主要为两段式、三段式、两段夹过渡式及多段式。该研究结果为研究区天然气进一步勘探开发提供指导。

关键词(KeyWords)：粒度分析;重矿物;沉积相;下石盒子组;盒8段;鄂尔多斯盆地东南部

Abstract:

Keywords:

基金项目(Foundation):国家自然科学基金项目(41472091)

作者(Author):李亚龙;于兴河;单新;杜永慧;周劲松;韩小琴;

Email:

参考文献(References)：

• [1]田景春,吴琦,王峰,等.鄂尔多斯盆地下石盒子组盒8段储集砂体发育控制因素及沉积模式研究[J].岩石学报,2011,27(8):2403-2412.Tian Jingchun,Wu Qi,Wang Feng,et al.Research on development factors and the deposition model of large area reservoir sandstones of He8section of Xiashihezi formation of Permian in Ordos basin[J].Acta Petrologica Sinica,2011,27(8):2403-2412.

• [2]郭英海,刘焕杰,权彪,等.鄂尔多斯地区晚古生代沉积体系及古地理演化[J].沉积学报,1998,16(3):44-51.Guo Yinghai,Liu Huanjie,Quan Biao,et al.Late Paleozoic sedimentary system and paleogeographic evolution of Ordos area[J].Acta Sedimentologica Sinica,1998,16(3):44-51.

• [3]何义中,陈洪德,张锦泉.鄂尔多斯盆地中部石炭—二叠系两类三角洲沉积机理探讨[J].石油与天然气地质,2001,22(1):68-71.He Yizhong,Chen Hongde,Zhang Jinquan.Discussion on sedimentation mechanism of two kind deltas from Permian-Carboniferous of central Ordos basin[J].Oil&Gas Geology,2001,22(1):68-71.

• [4]付锁堂,田景春,陈洪德,等.鄂尔多斯盆地晚古生代三角洲沉积体系平面展布特征[J].成都理工大学学报:自然科学版,2003,30(3):236-241.Fu Suotang,Tian Jingchun,Chen Hongde,et al.The Delta depositional system distribution of late Paleozoic era in Ordos basin[J].Journal of Chendu University of Technology:Science&Technology Edition,2003,30(3):236-241.

• [5]刘锐娥,李文厚,陈孟晋,等.鄂尔多斯东部下二叠统山西组2段储层评价及勘探前景[J].古地理学报,2006,8(4):531-538.Liu Rui'e,Li Wenhou,Chen Mengjin,et al.Reservoir evaluation and exploration prospect of the member 2of Shanxi formation of lower Permian in eastern Ordos[J].Journal of Palaeogeography,2006,8(4):531-538.

• [6]杨西燕,沈昭国,方少仙,等.鄂尔多斯盆地乌审旗气田中二叠统下石盒子组盒8段下亚段滩坝砂体沉积特征[J].古地理学报,2007,9(2):175-183.Yang Xiyan,Shen Zhaoguo,Fang Shaoxian,et al.Sedimentary characteristics of beach and bar sand bodies in the lower submember of member 8of Xiashihezi formation of middle Permian in Wushenqi gas field Ordos basin[J].Journal of Palaeogeography,2007,9(2):175-183.

• [7]席胜利,王怀厂,秦伯平.鄂尔多斯盆地北部山西组—下石盒子组物源分析[J].天然气工业,2002,22(2):21-24.Xi Shengli,Wang Huaichang,Qin Boping.Analysis of the material sources of Shanxi formation and Shihezi formation in north Ordos basin[J].Natural Gas Industry,2002,22(2):21-24.

• [8]汪正江,张锦泉,陈洪德.鄂尔多斯盆地晚古生代陆源碎屑沉积源区分析[J].成都理工学院学报,2001,28(1):7-12.Wang Zhengjiang,Zhang Jinquan,Chen Hongde.Study of the dispositional Provenance of the terrigenous detritus in Ordos basin in late Paleozoic era[J].Joural of Chengdu University of Technology,2001,28(1):7-12.

• [9]刘锐娥,黄月明,卫孝锋,等.鄂尔多斯盆地北部晚古生代物源区分析及其地质意义[J].矿物岩石,2003,23(3):82-86.Liu Rui'e,Huang Yuemin,Wei Xiaofeng,et al.Analysis of provenance of late Paleozoic in the northern Ordos basin and its geological significance[J].Journal of Mineralogy and Petrology,2003,23(3):82-86.

• [10]周进松,王念喜,赵谦平,等.鄂尔多斯盆地东南部延长探区上古生界天然气成藏特征[J].天然气工业,2014,34(2):34-41.Zhou Jinsong,Wang Nianxi,Zhao Qianping,et al.Natural gas accumulation characteristics in the upper Paleozoic in the Yanchang exploration block of southeastern Ordos basin[J].Natural Gas Industry,2014,34(2):34-41.

• [11]王念喜,乔向阳,孙建峰,等.鄂尔多斯盆地东南部盒8下亚段沉积分布规律探析[J].地下水,2015,37(3):202-203.Wang Nianxi,Qiao Xiangyang,Sun Jianfeng,et al.The distribution deposition of He8submember formation in southeastern of Ordos basin[J].Ground Water,2015,37(3):202-203.

• [12]苏东旭,于兴河,李胜利,等.基准面变化对分流河道沉积特征的影响——以鄂尔多斯盆地南部石盒子组为例[J].东北石油大学学报,2015,39(1):59-68.Su Dongxu,Yu Xinghe,Li Shengli,et al.Study of sedimentary characteristics of deltaic distributary channels controlled by base level change:A case from Shihezi formation of south of Ordos basin[J].Journal of Northeast Petroleum University,2015,39(1):59-68.

• [13]付金华,席胜利,刘新社,等.鄂尔多斯盆地上古生界低渗岩性气藏综合勘探技术[C]//第三届隐蔽油气藏国际学术研讨会论文集.北京:石油工业出版社,2003:9.Fu Jinhua,Xi Shengli,Liu Xinshe,et al.Complex exploration techniques for the low-permeability lithologic gas pool in the upper Paleozoic of Ordos basin[C]//China's Third International Academic Seminar of Hydrocarbon Reservoirs Transactions.Beijing:Petroleum Industry Press,2003:9.

• [14]赵振宇,郭彦如,王艳,等.鄂尔多斯盆地构造演化及古地理特征研究进展[J].特种油气藏,2012,19(5):15-20.Zhao Zhenyu,Guo Yanru,Wang Yan,et al.Study progress in tectonic evolution and paleogeography of Ordos basin[J].Special Oil&Gas Reservoirs,2012,19(5):15-20.

• [15]吴雪超,汤军,任来义,等.鄂尔多斯盆地延长天然气探区山西组山2段成岩相及优质储层研究[J].天然气地球科学,2012,23(6):1004-1010.Wu Xuechao,Tang Jun,Ren Laiyi,et al.Diagenetic facies and high-quality reservoir study of Shanxi-2member in Jingbian gas field,Ordos basin[J].Natural Gas Geoscience,2012,23(6):1004-1010.

• [16]闫德宇,黄文辉,李昂,等.鄂尔多斯盆地上古生界海陆过渡相页岩气聚集条件及有利区预测[J].东北石油大学学报,2013,37(5):1-9.Yan Deyu,Huang Wenhui,Li Ang,et al.Preliminary analysis of marine-continental transitional shale gas accumulation conditions and favorable areas in the upper Paleozoic Ordos basin[J].Journal of Northeast Petroleum University,2013,37(5):1-9.

• [17]史鹏,姜呈馥,孙兵华,等.鄂尔多斯盆地南部延长组页岩微观储集空间特征[J].东北石油大学学报,2015,39(5):71-78.Shi Peng,Jiang Chengfu,Sun Binghua,et al.Characteristics of Yanchang formation shale microscopic reservoir space of in south of Ordos basin[J].Journal of Northeast Petroleum University,2015,39(5):71-78.

• [18]赵佳楠,姜文斌.鄂尔多斯盆地延长气田山西组致密砂岩储层特征[J].东北石油大学学报,2012,36(5):22-28.Zhao Jianan,Jiang Wenbin.Characteristics of tight sandstone of Shanxi formation reservoir in the Yanchang gas field,Ordos basin[J].Journal of Northeast Petroleum University,2012,36(5):22-28.

• [19]刘新社.鄂尔多斯盆地东部上古生界岩性气藏形成机理[D].西安:西北大学,2008:12-15.Liu Xinshe.The accumulation mechanism of lithologic gas reservoir of the upper Paleozoic in eastern Ordos basin[D].Xi'an:Northwest University,2008:12-15.

• [20]付金华.鄂尔多斯盆地上古生界天然气成藏条件及富集规律[D].西安:西北大学,2004:6-8.Fu Jinhua.The gas reservoir-forming conditions and accumulation rules of upper Paleozoic in Ordos basin[D].Xi'an:Northwest University,2004:6-8.

• [21]汤戈,王振升,钱茂路.歧口凹陷北塘次凹沙三段物源—沉积体系分析[J].东北石油大学学报,2015,39(6):45-55.Tang Ge,Wang Zhensheng,Qian Maolu.Provenance and sedimentary system research of the third member of Shahejie formation in Beitang sub-sag of Qikou sag[J].Journal of Northeast Petroleum University,2015,39(6):45-55.

• [22]屈红军,马强,高胜利,等.鄂尔多斯盆地东南部二叠系物源分析[J].地质学报,2011,85(6):979-986.Qu Hongjun,Ma Qiang,Gao Shengli,et al.On provenance of the Permian in the southeastern Ordos basin[J].Acta Geologica Sinica,2011,85(6):979-986.

• [23]杨锐,彭德堂,潘仁芳,等.鄂尔多斯盆地西南部上古生界盒8段物源分析[J].石油地质与工程,2012,26(3):1-5.Yang Rui,Peng Detang,Pan Rengfang,et al.Sediment provenance analysis of the 8th member of the upper Paleozoic Xiashihezi formation in the southwest area of Ordos basin[J].Petroleum Geology and Engineering,2012,26(3):1-5.

• [24]刘璇,丁晓琪,万友利,等.鄂尔多斯盆地长9段沉积物源分析[J].东北石油大学学报,2014,38(1):10-16.Liu Xuan,Ding Xiaoqi,Wan Youli,et al.Sedimentary source study of Chang9interval of Yanchang formation,Ordos basin[J].Journal of Northeast Petroleum University,2014,38(1):10-16.