海拉尔盆地贝尔凹陷中部隆起带控藏因素及成藏模式
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摘要
利用源岩分析、储层反演和断层组合刻画技术,系统分析了海拉尔盆地贝尔凹陷中部断陷带的油气控藏特征和成藏模式。研究表明:贝尔凹陷中部隆起带周缘发育3个生烃洼槽,主要生烃层位为南屯组,贝西次洼是主要供烃洼陷。中部隆起带及邻区兴安岭组砂体整体呈现东厚西薄的特点,主要为扇三角洲和辫状河三角洲前缘河道砂体储层。研究区主要存在"侧向长距离式"、"阶梯式"和"源-储对接式"3种油气运移成藏模式。
Based on the source rock characteristics, reservoir inversion and fault combination description, the controlling factors and hydrocarbon accumulation modes of Beier Sag, Hailar Basin, have been studied. The results show that there are three hydrocarbon generation sub-sags developed in Beier Sag and the major hydrocarbon-generating formation is Nantun Formation in the Beixi subsag. The distribution character of sandbody of Xing′anling Formation in the central uplift and its neighbor is thicker in the east than in the west. The favorable facies of sand body distribution including fan-delta front facies and braided river delta front facies. In our study, three types of hydrocarbon accumulation modes have been identified, including the "long distance" migration type, "vertical and lateral" migration type, and " source-reservoir contact" migration type.
Based on the source rock characteristics, reservoir inversion and fault combination description, the controlling factors and hydrocarbon accumulation modes of Beier Sag, Hailar Basin, have been studied. The results show that there are three hydrocarbon generation sub-sags developed in Beier Sag and the major hydrocarbon-generating formation is Nantun Formation in the Beixi subsag. The distribution character of sandbody of Xing′anling Formation in the central uplift and its neighbor is thicker in the east than in the west. The favorable facies of sand body distribution including fan-delta front facies and braided river delta front facies. In our study, three types of hydrocarbon accumulation modes have been identified, including the "long distance" migration type, "vertical and lateral" migration type, and " source-reservoir contact" migration type.
引文
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[16]昌建波,吴欣松,姚睿,等.莫里青断陷双阳组岩性油气藏成藏主控因素分析[J].特种油气藏,2010,17(2):48-51.
[17]王家亮,张金川,张杰,等.海拉尔盆地贝尔凹陷的油气运聚分析[J].现代地质,2003,17(4):459-465.
[18]刘玉瑞.苏北后生-同生断陷盆地油气成藏规律研究[J].石油实验地质,2016,38(6):721-731.
[19]冷济高,庞雄奇,杨克明,等.断块圈闭控藏模式:以辽河盆地西部凹陷为例[J].油气地质与采收率,2011,18(2):1-6.
[2]孙永河,韩钰萍,冯志鹏,等.海拉尔盆地贝尔凹陷断裂系统及其对油气运聚的控制作用[J].地质论评,2011,57(1):89-100.
[3]霍秋立,汪振英,李敏,等.海拉尔盆地贝尔凹陷油源及油气运移研究[J].吉林大学学报(地球科学版),2006,36(3):377-383.
[4]付广,李海丽.贝尔凹陷油藏形成过程及油富集的主控因素[J].中南大学学报(自然科学版),2012,43(12):4850-4858.
[5]崔鑫,李江海,姜洪福,等.断陷盆地内构造带对油气聚集的控制作用:以海拉尔盆地霍多莫尔构造带为例[J].石油实验地质,2016,38(1):40-47.
[6]吴海波,李军辉,刘赫.乌尔逊-贝尔凹陷岩性-地层油藏形成条件及分布规律[J].中南大学学报(自然科学版),2015,46(6):2178-2187.
[7]白雪峰.海拉尔盆地贝尔凹陷油气成藏模式与有利勘探方向[J].世界地质,2014,33(2):439-447.
[8]施尚明,付红军,樊自立.海拉尔盆地苏德尔特油田布达特潜山油藏成藏规律[J].科学技术与工程,2011,11(14):3178-3181.
[9]揭异新,袁月琴,王斌.海拉尔盆地乌尔逊-贝尔凹陷白垩系原油地球化学特征及油源对比[J].石油实验地质,2007,29(1):82-87.
[10]吴文祥,张海翔,李占东,等.层序地层地球化学方法在烃源岩评价中的应用:以海拉尔盆地贝尔凹陷为例[J].石油与天然气地质,2015,36(4):701-710.
[11]吴海波,王江,李军辉.地震多属性融合技术在贝尔凹陷储层预测中的应用[J].岩性油气藏,2014,26(2):96-101.
[12]王子嵩,赵隆顺,陈吉,等.复杂断块区新近系河流相砂体有利成藏条件研究:以南堡凹陷4-2区为例[J].地质科技情报,2017,36(5):125-132.
[13]于浩业,赵卫军,欧亚平,等.鲍金根地堑断裂坡折带油气藏特征及有利勘探区[J].新疆石油地质,2016,37(4):494-498.
[14]戴树辉,王冠,陈书博,等.三肇凹陷扶杨油层断裂系统与油气运移[J].科技通报,2017,33(4):24-27.
[15]崔鑫,李江海,姜洪福,等.海拉尔盆地苏德尔特构造带火山岩基底储层特征及成藏模式[J].天然气地球科学,2016,27(8):1466-1476.
[16]昌建波,吴欣松,姚睿,等.莫里青断陷双阳组岩性油气藏成藏主控因素分析[J].特种油气藏,2010,17(2):48-51.
[17]王家亮,张金川,张杰,等.海拉尔盆地贝尔凹陷的油气运聚分析[J].现代地质,2003,17(4):459-465.
[18]刘玉瑞.苏北后生-同生断陷盆地油气成藏规律研究[J].石油实验地质,2016,38(6):721-731.
[19]冷济高,庞雄奇,杨克明,等.断块圈闭控藏模式:以辽河盆地西部凹陷为例[J].油气地质与采收率,2011,18(2):1-6.