不同运移方向下断裂密集带聚集油气的差异性DIFFERENCE OF THE ACCUMULATED OIL AND GAS IN THE FAULT CLUSTER BELTS IN DIFFRENT MIGRATION DIRECTIONS
王雪峰
WANG Xuefeng
摘要(Abstract):
在断裂密集带分布及成因机制研究的基础上,分析断裂密集带与油分布的关系,对松辽盆地升西一徐家围子向斜区扶杨油层、葡萄花油层的断裂密集带聚集油气的差异性进行了研究。结果表明:扶杨油层与葡萄花油层的断裂密集带有继承性,断层发育数量大致相等,均为受近东西向构造应力作用形成,只是展布方向略有变化;扶杨油层油主要分布在断裂密集带两侧,少量分布在断裂密集带内部,成因为断裂密集带两侧较内部的正向构造距上覆青一段源岩近,且圈闭面积相对较大;葡萄花油层油主要分布在断裂密集带内部,少量分布在断裂密集带两侧,成因为断裂密集带内部正向构造距下伏青一段源岩近,且圈闭面积相对较大。
On the basis of the studies on the fault cluster belt distribution and genetic mechanism,the relationship between the belts and oil distribution is analyzed,the difference of the accumulated hydrocarbon by the belts in FY oil reservoirs and Putaohua oil layers in Shengxi-Xujiaweizi synclinal region of Songliao Basin is figured out.The results show that there is a certain inheritance for the fault cluster belts in the oil reservoirs and layers stated above,the number of the developed faults is almost the same.The faults are generated in the action of the structural stress near the western direction,but there is a little change in the spread directions;FY oil reservoirs are mainly distributed along the two sides of the belts,only a few of them are spread within the belts,the genesis is that the close distance for the more inside normal structures along the belts to the overlying source rock in Member Qing-1 and moreover the much larger trapped area;Putaohua oil layers are generally distributed within the belts,only a few of them are spread along the two sides of the belts,the genesis is as same as the above for the normal structures nearby the source rock in underlying Member Qing-1 and the trapped area.
关键词(KeyWords):
运移方向;断裂密集带;聚集油气;差异性;向斜区;扶杨油层;葡萄花油层
migration direction;fault cluster belt;accumulating petroleum;synclinal region;FY oil reservoirs;Putaohua oil reservoirs
基金项目(Foundation): 国家大型油气田及煤层气开发科技重大专项“大气田形成条件、成藏机制与富集规律研究”(2011ZX05007002)资助
作者(Author):
王雪峰
WANG Xuefeng
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- 运移方向
- 断裂密集带
- 聚集油气
- 差异性
- 向斜区
- 扶杨油层
- 葡萄花油层
migration direction - fault cluster belt
- accumulating petroleum
- synclinal region
- FY oil reservoirs
- Putaohua oil reservoirs