渤海湾盆地石油储量增长规律及潜力分析
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摘要
渤海湾盆地是目前我国已发现石油储量最多的大型油气盆地,它有三个大的油气富集带:西部的冀中坳陷带、中部的黄骅-临清坳陷带和东部的济阳-渤中-辽河坳陷带。通过大量勘探实例和储量增长规律研究,剖析各个油气富集带与地质特征的关系,认为渤海湾盆地资源潜力与勘探对策是:海域的储量探明程度仅为29.7%,是下步储量增长的重要潜力区;陆上以寻找构造+岩性的复合隐蔽油气藏为勘探重点,针对不同层系采取不同勘探策略,浅层以重新部署三维地震和老资料处理发现新的含油区带,中层开展老井复查、实行滚动勘探发现新层新块,深层开展有效储层研究、寻找碳酸盐岩油气藏。随着勘探程度的不断深入,渤海湾盆地的储量将会出现新一轮增长高峰。
Bohai Bay is currently a large-scale peroliferous basin with the largest petroleum reserves discovered so far in China.It harbors three large hydrocarbon-enriched zones: the Jizhong depression in the west,the Huanghua-Linqing depression in the central,and the Jiyang-Bozhong-Liaohe depression in the east.Based on studies of numerous exploration cases and reserves growth pattern and analysis of relationship between these plays and their geological features,this paper estimates the potential of reserves in Bohai Bay basin and presents corresponding exploration strategies.The offshore part of the basin has a ration of proved reserves to OOIP as low as 29.7%,therefore shall be regarded as the important future target for reserve growth;while for the onshore part,exploration shall aim at subtle structural-lithological combination reservoirs with different strategies for different series of strata.In the shallow part,new 3-D seismic acquisition and reprocessing of old seismic data are to be performed to discover new plays;in the middle part,review of old wells and progressive exploration and deve-lopment will be carried out to define new targets;while in the deep part,detailed reservoir study will be performed to look for carbonate reservoirs.By doing this,it is certain that the Bohai Bay basin will see a new run of reserves growth in the near future.
Bohai Bay is currently a large-scale peroliferous basin with the largest petroleum reserves discovered so far in China.It harbors three large hydrocarbon-enriched zones: the Jizhong depression in the west,the Huanghua-Linqing depression in the central,and the Jiyang-Bozhong-Liaohe depression in the east.Based on studies of numerous exploration cases and reserves growth pattern and analysis of relationship between these plays and their geological features,this paper estimates the potential of reserves in Bohai Bay basin and presents corresponding exploration strategies.The offshore part of the basin has a ration of proved reserves to OOIP as low as 29.7%,therefore shall be regarded as the important future target for reserve growth;while for the onshore part,exploration shall aim at subtle structural-lithological combination reservoirs with different strategies for different series of strata.In the shallow part,new 3-D seismic acquisition and reprocessing of old seismic data are to be performed to discover new plays;in the middle part,review of old wells and progressive exploration and deve-lopment will be carried out to define new targets;while in the deep part,detailed reservoir study will be performed to look for carbonate reservoirs.By doing this,it is certain that the Bohai Bay basin will see a new run of reserves growth in the near future.
引文
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21杨明慧,王嗣敏,陈善勇,等.渤海湾盆地黄骅坳陷奥陶系碳酸盐岩潜山成因分类与分布[J].石油与天然气地质,2005,26(3):310~316
22张抗.近20年中国石油储量变化分析[J].石油与天然气地质,2005,26(5):584~589
2梁生正,张以明.渤海湾盆地油气地质与勘探[J].中国石油勘探,2006,11(2):1~7
3李军,王培.渤海湾盆地构造格架及演化[J].石油与天然气地质,1998,19(1):63~67
4贾志斌,田新琦.渤海湾盆地成因机制与油气评价[J].石油地球物理勘探,2003,38(1):62~66
5张树林,费琪,叶加仁,等.渤海湾盆地边缘凹陷的构造意义[J].石油实验地质,2006,28(5):409~413
6金强.关于东部油气富集盆地勘探可持续性的一些思考[J].油气地质与采收率,2002,9(1):5~8
7戴俊生,陆克政,漆家福,等.渤海湾盆地早第三纪构造样式的演化[J].石油学报,1998,19(4):16~20
8朱光有,金强.济阳坳陷胜坨油田原油物性及其探讨[J].石油与天然气地质,2004,25(1):9~13
9池英柳,赵文智.渤海湾盆地油气富集带的形成与分布[J].勘探家,2000,5(1):9~16
10孙冬胜,刘池阳.冀中坳陷马西断裂带分段特征及其与油气的关系[J].石油与天然气地质,2003,24(3):238~244
11翟光明,葛泰生.中国石油地质志(卷三)[M].北京:石油工业出版社,1993.7~30
12翟光明,帅德福.中国石油地质志(卷六)[M].北京:石油工业出版社,1993.3~17
13翟光明,唐智.中国石油地质志(卷五)[M].北京:石油工业出版社,1993.16~25
14安作相.渤海湾盆地几个大油田的形成与勘探[J].新疆石油地质,2001,22(2):97~102
15翟光明,李绍光.中国石油地质志(卷四)[M].北京:石油工业出版社,1993.14~31
16潘元林,张善文,肖焕钦,等.济阳断陷盆地隐蔽油气藏勘探[M].北京:石油工业出版社,2003.1~20
17袁选俊,谯汉生.渤海湾盆地富油气凹陷隐蔽油气藏勘探[J].石油与天然气地质,2002,23(2):130~133
18翟光明,何文渊.渤海湾盆地勘探策略探讨[J].石油勘探与开发,2003,30(6):1~4
19翟光明,何文渊.渤海湾盆地资源潜力和进一步勘探方向的探讨[J].石油学报,2002,23(1):1~5
20于红枫,王黄艮,李雪.渤海湾盆地东营凹陷八面河地区潜山油气藏[J].石油与天然气地质,2005,26(3):323~328
21杨明慧,王嗣敏,陈善勇,等.渤海湾盆地黄骅坳陷奥陶系碳酸盐岩潜山成因分类与分布[J].石油与天然气地质,2005,26(3):310~316
22张抗.近20年中国石油储量变化分析[J].石油与天然气地质,2005,26(5):584~589
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