阿克库勒地区白垩系层序地层样式及油气勘探有利区带预测
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摘要
为预测塔里木盆地阿克库勒地区白垩系油气勘探的有利区带,运用层序地层学理论,根据岩心、测井和地震资料,建立了该区白垩系层序地层格架,并探讨了其与沉积、构造演化的对应关系。结果表明:阿克库勒地区白垩系包括2个二级层序,分别相当于巴什基奇克组和卡普沙良群,其中卡普沙良群又细分为3个三级层序。研究区发育辫状河三角洲、曲流河三角洲、湖泊等沉积相类型。油气勘探应主要寻找阿克库勒地区卡普沙良群底部Sq1的低位及高位体系域的储集砂体,平面上以研究区中南部的三角洲前缘相带储层为最优。
In order to forecast the favorable zones of the Cretaceous in Akekule area in Tarim basin,based on sequence stratigraphy theory and analysis of cores,logging and seismic information,the sequence stratigraphy frame is established,and the relationships between the frame and sediment,and the frame and structural evolution are analyzed.The results show that there are two second-order sequences,which correspond to Bashenjiqike Group and Kapushaliang Group.The Kapushaliang Group is divided into three third-order sequences.The types of sedimentary facies are braided delta,meandering delta,and lacustrine facies.The sand bodies of lowstand system tract and highstand system tract of Sq1 are favorable explore targets in the south part of Akekule area.
In order to forecast the favorable zones of the Cretaceous in Akekule area in Tarim basin,based on sequence stratigraphy theory and analysis of cores,logging and seismic information,the sequence stratigraphy frame is established,and the relationships between the frame and sediment,and the frame and structural evolution are analyzed.The results show that there are two second-order sequences,which correspond to Bashenjiqike Group and Kapushaliang Group.The Kapushaliang Group is divided into three third-order sequences.The types of sedimentary facies are braided delta,meandering delta,and lacustrine facies.The sand bodies of lowstand system tract and highstand system tract of Sq1 are favorable explore targets in the south part of Akekule area.
引文
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[2]纪学武,夏义平,徐礼贵,等.新疆地区油气勘探新领域展望[J].石油地球物理勘探,2007,42(3):334-337.JI Xue-wu,XIA Yi-ping,XU Li-gui,et al.Prospect in newfields of oil-gas explorationin Xinjiang area[J].Oil Geophysical Prospecting,2007,42(3):334-337.
[3]周永昌,杨国龙.塔里木盆地阿克库勒地区油气地质特征及勘探前景[J].石油学报,2001,22(3):1-5.ZHOU Yong-chang,YANG Guo-long.The character and prospect of the petroleum geology of the area of Akekule in Tari m basin[J].Acta Petrolei Sinica,2001,22(3):1-5.
[4]严德天,王华,王家豪,等.黄骅坳陷沙河街组层序地层样式及隐蔽圈闭预测[J].中国矿业大学学报,2008,37(1):30-36.YAN De-tian,WANG Hua,WANG Jia-hao,et al.Sequence stratigraphic pattern and forecast of subtle reservoir of the Shahejie Formation in Huanghua depression[J].Journal of China University of Mining&Technology,2008,37(1):30-36.
[5]刘震,赵政璋,赵阳,等.含油气盆地岩性油气藏的形成和分布特征[J].石油学报,2006,27(1):17-23.LI U Zhen,ZHAO Zheng-zhang,ZHAO Yang,et al.Predominant characteristics of formation and distribution for lithologic reservoirs in petroliferous basin[J].Acta Petrolei Sinica,2006,27(1):17-23.
[6]柏涛,徐志伟.层序地层学在隐蔽圈闭预测中的应用——以松辽盆地南部为例[J].吉林大学学报:地球科学版,2004,34(1):73-78.BAI Tao,XU Zhi-wei.The application of sequence stratigraphy to the prediction of subtle trap—take Songnan region as example[J].Journal of Jilin University:Earth Science Edition,2004,34(1):73-78.
[7]林畅松,王清华,肖建新,等.库车坳陷白垩纪沉积层序构成及充填响应模式[J].中国科学:D辑,2004,34(增刊Ⅰ):74-82.LIN Chang-song,WANG Qing-hua,XIAO Jian-xin,et al.Depositional sequence architecture and filling response model of the Cretaceous in the Kuqa depression,Tari mbasin[J].Science in China:Series.D,2004,34(Sup.Ⅰ):74-82.
[8]朱如凯,高志勇,郭宏莉,等.塔里木盆地北部白垩系—古近系不同段、带沉积体系比较研究[J].沉积学报,2007,25(3):325-331.ZHU Ru-kai,GAO Zhi-yong,GUO Hong-li,et al.Comparative of different segmentations and zones during Cretaceous and Paleocene in north Tari m basin[J].Acta Sedi mentologica Sinica,2007,25(3):325-331.
[9]严德天,王华,王家豪,等.库车坳陷东部白垩系沉积体系分析及有利油气勘探区带预测[J].地质学报,2006,80(3):382-389.YAN De-tian,WANG Hua,WANG Jia-hao,et al.Analysis of the Cretaceous sequence-stratigraphic pattern and controlling factors in Kuqa foreland basin[J].Acta Geologica Sinica,2006,80(3):382-389.
[10]孙龙德.塔里木盆地库车坳陷与塔西南坳陷早白垩世沉积相与油气勘探[J].古地理学报,2004,6(2):252-260.SUN Long-de.Sedi mentary facies and exploration of petroleumof the Early Cretaceous in Kuqa depression and Southwest depressionin Tari mbasin[J].Journal of Palaeogeography,2004,6(2):252-260.
[11]张守鹏,刘成东,贺振建,等.东营凹陷深部“红层”地层划分方法探讨[J].地学前缘,2003,10(2):465-469.ZHANG Shou-peng,LI U Cheng-dong,HE Zhen-jian,et al.Stratigraphic division of redbeds in deep Dongying depression,East China[J].Earth Science Frontiers,2003,10(2):465-469.
[12]余心起,舒良树,颜铁增,等.赣杭构造带红层盆地原型及其沉积作用[J].沉积学报,2005,23(1):12-20.YU Xin-qi,SHU Liang-shu,YAN Tie-zeng,et al.Prototype and sedi mentation of red basins along the Ganhang tectonic belt[J].Acta Sedmentologica Sinica,2005,23(1):12-20.
[13]Nathan D S.Do red beds indicate paleocli matic co-nditions-:a Permian case study[J].Palaeo-geography,Palaeocli matology,Palaeoecology,2005,228:305-319.
[14]冯兴雷,马立祥,邓宏文,等.大王北洼陷浅水漫湖砂质滩坝沉积微相特征[J].地质科技情报,2009,28(1):9-14.FENG Xing-lei,MA Li-xiang,DENG Hong-wen,et al.Microfacies characters of sandy beach and bar in shallow water over-lake,with an example from the Dawangbei sag[J].Geological Science and Technology Information,2009,28(1):9-14.
[15]宋来明,杨永强,彭仕宓,等.冀东高尚堡油田Es32+3层序地层学研究[J].吉林大学学报:地球科学版,2005,35(4):462-467.SONG Lai-ming,YANG Yong-qiang,PENG Shi-mi,et al.Study on sequence stratigraphy of Es32+3Formationin Gaoshangpu oilfield[J].Journal of Jilin University:Earth Science Edition,2005,35(4):462-467.
[16]何发岐,梅廉夫,费琪,等.前陆盆地前缘隆起带圈闭的形成及其含油气性—以塔里木盆地沙雅隆起为例[J].石油实验地质,2006,28(5):418-422.HE Fa-qi,MEI Lian-fu,FEI Qi,et al.The formation and petroleum-bearing capacity of traps in the frontal uplift of the foreland basin:taking the Shaya uplift of the Tari m basin as an example[J].Petroleum Geology&Experi ment,2006,28(5):418-422.
[17]旷理雄,郭建华,黄太柱.塔里木盆地阿克库勒凸起于奇地区哈拉哈塘组油气成藏机制[J].吉林大学学报:地球科学版,2008,38(2):249-254.KUANG Li-xiong,GUO Jian-hua,HUANG Tai-zhu.Forming mechanism of hydrocarbon reservoirs of Halahatang Formation in Yuqi block in Akekule arch,Tari m basin[J].Journal of Jilin University:Earth Science Edition,2008,38(2):249-254.
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