FAULT CHARACTERISTICS OF HEISHANDUN AREA OF THE ERDOS BASIN AND ITS CONTROL OF OIL AND GAS
-
摘要: 鄂尔多斯盆地黑山墩地区存在上下2套构造系统,上下构造的分界线在T8反射层附近,其中上构造层是地区勘探目标层。上构造系统断裂依据其规模可以分为三级;一级、二级断裂主要为近南北向展布的逆断层,断至油源层以下;三级断裂主要为层间调谐正断层。断裂和局部构造主形成期为燕山早期,烃类排出期为燕山晚期,因此沟通油源并控制局部构造形成的一级、二级断裂对油气成藏起着积极的作用。结合钻后评估分析认为:鄂尔多斯盆地黑山墩地区成藏主控因素是构造,断层控制的断背斜是油气聚集的最有利场所;一、二级断裂在油气的初次分配中起着主要作用,三级层间断层在油气的再分配中起着重要作用。依据该认识,部署了nd17井,实钻获得15套油斑级以上油层。Abstract: There are two overlying structural systems in Heishandun working area of the Erdos Basin.They borders at around reflector T8 as show on seismic data.Among which the upper system is the target.It can be divided into three level fractures in terms of scale.The primary and second order fractures are mainly reverse faults extended down to the source rocks in south to north direction.The third order fractures are mostly intrabed normal faults.Faults and local structures were formed predominantly at early Yanshanian,and hydrocarbon expulsed at late Yanshanian.The primary and second order fractures,which connect oil sources and control local structures,play an active role in the accumulation of hydrocarbon.In combination with postdrill assessment,it is concluded that local structures are the controlling factor to the formation of hydrocarbon reservoir,and faulted anticlines are the favourable places for hydrocarbon accumulation.The primary and second order fractures play the main role in the initial allocation of hydrocarbon,whereas the third order intrabed fractures play an important role in the reallocation of hydrocarbon.
-
[1] 杨俊杰.鄂尔多斯盆地构造演化与油气分布规律[M].北京:石油工业出版社,2001 [2] 陈全红,李文厚,姜培海等.鄂尔多斯南部上古生界油气成藏条件分析[J].石油实验地质,2007,29(6):554～559 [3] 范哲清,吴振东,白玉春等.歧口凹陷新生代宏观构造解释与油气聚集关系[J].石油物探,2007,46(4):402～410 [4] 李忠,林刚,雷雪等.川中地区中三叠统雷口坡组构造特征及解释方法探讨[J].石油物探,2005,44(2):131～136 [5] 管晓燕,毕俊凤,穆星.多信息相干技术在阳信洼陷构造研究中的应用[J].勘探地球物理进展,2006,29(1):48～51 [6] 苑书金.地震相干体技术的研究综述[J].勘探地球物理进展,2007,30(1):19～27 [7] 佘德平.应用三维相干技术进行精细地震解释[J].石油物探,2000,39(2):83～88 [8] 张义楷,周立发,党犇等.鄂尔多斯盆地中新生代构造应力场与油气聚集[J].石油实验地质,2006,28(3):19～23 [9] 赵红格,刘池洋,王峰等.鄂尔多斯盆地西缘构造分区及其特征[J].石油与天然气地质,2006,27(2):47～53 [10] 王锋,刘池洋,赵红格等.贺兰山西麓中生代构造反转及意义[J].石油实验地质,2006,28(3):10～13 [11] 高帮飞,邓军,王庆飞等.构造体制转换与成藏作用:以鄂尔多斯盆地为例[J].油气地质与采收率,2007,14(3):17～19,23 [12] 邓雁,张延充,李忠等.川东下三叠统飞仙关组沉积相研究[J].勘探地球物理进展,2004,27(5):62～64 [13] 李海涛,孟宪军,宋传春等.准噶尔盆地中部区块地震属性适用性研究[J].石油物探,2004,43(S1):23～27 [14] 黄绪宝,张旭光,刘其等.VoxelGeo在塔河油田碳酸盐岩储层预测中的应用[J].石油物探,2001,40(4):100～105 [15] 兰朝利,何顺利,门成全.鄂尔多斯盆地靖安油田上三叠统延长组长6段沉积相研究[J].油气地质与采收率,2006,13(5):17～20 [16] 李树同,王多云,秦红等.鄂尔多斯盆地姬塬地区三角洲前缘储层砂体成因分析[J].油气地质与采收率,2005,12(6):23～26 [17] 聂永生,田景春,夏青松等.鄂尔多斯盆地白豹-姬塬地区上三叠统延长组物源分析[J].油气地质与采收率,2004,11(5):8～10 [18] 李凤杰,王多云,王峰等.坳陷湖盆三角洲前缘储层砂体成因研究[J].石油实验地质,2007,29(1):67～72,98 -
计量
- 文章访问数: 690
- HTML全文浏览量: 86
- PDF下载量: 293
- 被引次数: 0
下载:
苏公网安备32021102000780号