Influence of Tectonic Activity on Reservoir Formation in the Bozhong34 Block
Received date: 2011-03-11
Revised date: 2011-09-09
Online published: 2012-02-10
There are many tensional faults and strike\|slip faults of different time and different strikes in the Bozhong34 block,the complex structural background makes the petroleum exploration difficult.In this paper,based on the interpretation of structure through seismic data as well as geological data,we discuss the evolution processes of tectonic activities and their influence on the petroleum accumulation.The results show as follows:①The depocenter dominated by tectonic activity controls the distribution of source rocks in the member 3 of Shahejie Group,lower segment of Dongying Group and lower segment of Minghuazhen Group,which deposited in the semideep-deep lacustrine facies environments.The subsidence and filling since neo\|tectonic movement makes three sets of major source rocks be buried quickly and enter into hydrocarbon generation peak.②During a slow chasmic period to a quick depression period of Kongdian Group,a depression period of member 1 to 2 Shahejie Group,a diversion period of chasmic to a depression period of upper segment Dongying Group,and a thermal subsidence period after the second chasmic period of Guantao Group and lower segment of Minghuazhen Group,the reservoir sand bodies with different sedimentary faces were formed.The thick mudstone deposited during the thermal subsidence period after the second chasmic period is composed of a good cap.③Both anticlines formed by compression\|torsion and drag structures done by tension-torsion are favorable of the formation of structure trap;the lenticular sands in the mudstone become a lithologic trap due to inter-fingering interlace between mudstones and channel sands.④There is a good match between hydrocarbon generation\|expulsion period and Neogene fault activity,causing the improvement of effective migration and certain loss of petroleum.So the formation of good petroleum reservoir is required for the beneficial source-controlling conditions.⑤Faults with EW strike formed at late tectonic movement cut the early faults with NE strike and form the fault network,which links up the unconformities and make source beds connect with reservoir.the periodically active faults become the migration pathway of petroleum at active phase and act as sealing at passive phase.⑥There are two patterns of petroleum filling,one is that the petroleum migrates vertically through major faults which cut through source beds or “transfer station”;the other is that petroleum migrates step by step along secondary faults and sands.
Key words： Tension fault; Strike-slip fault; Tectonic movement; Reservoir; Bozhong34 block.
QIN Yu-Lu, ZHANG Xiao-Bao . Influence of Tectonic Activity on Reservoir Formation in the Bozhong34 Block[J]. Natural Gas Geoscience, 2012 , 23(1) : 60 -67 . DOI: 10.11764/j.issn.1672-1926.2012.01.60
［1］Deng Yunhua.Control of the Neotectonism along Tancheng-Tujiang
[JP2]fracture zone on hydrocarbon accumulation in the eastern Bohai Sea［J］.China Offshore Oil and Gas:Geology,2001,15(5):301-305.［邓运华.郯庐断裂带新构造运动对渤海东部油气聚集的控制作用［J］.中国海上油气:地质,2001,15(5):301-305.］
[ZK）]
［2］
[ZK(3#]Chen Bin,Zou Huayao,Hao Fang.Evidence of hydrocarbon rapidly pooling along the active zone of Neotectonism in the late period,eastern Bohai Sea［J］.Journal of Oil and Gas Technology:Journal of Jianghan Petroleum Institute,2006,28(3):216-219.［陈斌,邹华耀,郝芳.渤海东部新构造运动活动带油气晚期快速成藏的证据［J］.石油天然气学报:江汉石油学院学报,2006,28(3):216-219.］
［3］Xue Yong′an,Deng Yunhua,Yu Hongzhong.Progress and new knowledge of exploration for oil and gas in Bohai Sea area in recent years［J］.China Petroleum Exploration,2008,(4):1-8.［薛永安,邓运华,余宏忠.渤海海域近期油气勘探进展与创新认识［J］.中国石油勘探,2008,（4）:1-8.］
［4］Chen Bin,Deng Yunhua,Hao Fang,et al.Late-stage rapid petroleum accumulation model of BZ34 fault zone in Huanghekou sag［J］.Acta Petrolei Sinica,2006,27(1):37-41.［陈斌,邓运华,郝芳,等.黄河口凹陷BZ34 断层带油气晚期快速成藏模式［J］.石油学报,2006,27(1):37-41.］
［5］Ren Fenglou,Liu Zhongquan,Qiu Liangui,et al.Space-time discrepancy of depressional evolution in the Bohai Bay basin during Cenozoic［J］.Chinese Journal of Geology,2008,43(3):546-557.［任凤楼,柳忠泉,邱连贵,等.渤海湾盆地新生代各坳陷沉降的时空差异性［J］.地质科学,2008,43(3):546-557.］
［6］Zhou Shike,Li Yan,Chen Shengze,et al.Characteristics of strike-slip faults of BZ34 area in Bohai Sea basin［J］.Journal of Jianghan Petroleum Institute,2004,26(3):5-7.［周士科,李焱,陈生泽,等.渤海湾盆地渤中34区走滑断层特征［J］.江汉石油学院学报,2004,26(3):5-7.］
［7］
[JP2]Sun Yonghe,Qi Jiafu,Lv Yanfang,et al.Characteristics of fault
[JP] structure and its control to hydrocarbon in Bozhong depression［J］.Acta Petrolei Sinica,2008,29(5):669-675.［孙永河,漆家福,吕延防,等.渤中坳陷断裂构造特征及其对油气的控制［J］.石油学报,2008,29(5):669-675.］
［8］Chen Chuming,Lu Huafu,Wang Guoqiang,et al.Analyses of superimposed structures in the north Tarim uplift,Tarim basin［J］.Geological Journal of China Universities,1998,4(3):294-302.［陈楚铭,卢华复,王国强,等.塔里木盆地塔北隆起叠加构造分析［J］.高校地质学报,1998,4(3):294-302.］
［9］Xu Changgui,Yu Shui,Lin Changsong,et al.Structural styles of the Paleogene lacustrine basin-margin and their control on sedimentary sequences in Bohai Sea area［J］.Journal of Palaeogeography,2008,10(6):627-635.［徐长贵,于水,林畅松,等.渤海古近系湖盆边缘构造样式及其对沉积层序的控制作用［J］.古地理学报,2008,10(6):627-635］
［10］Dai Liming,Li Jianping,Zhou Xinhuai,et al.Depositional system of the Neogene shallow water delta in Bohai Sea area［J］.Lithologic Reservoirs,2007,19(4):75-81.［代黎明,李建平,周心怀,等.渤海海域新近系浅水三角洲沉积体系分析［J］.岩性油气藏,2007,19(4):75-81.］
［11］Zheng Hongju,Dong Yuexia,Wang Xudong,et al.The generation and characteristics of source rocks in Nanpu oil-rich depression,Bohai Bay basin［J］.Natural Gas Geoscience,2007,18(1):78-83.［郑红菊,董月霞,王旭东,等.渤海湾盆地南堡富油气凹陷烃源岩的形成及其特征［J］.天然气地球科学,2007,18(1):78-83.］
［12］Chen Bin,Zou Huayao,Yu Shui,et al.Late and rapid petroleum accumulation pattern in Bozhong depression by Taking BZ34 fault zone in Huanghekou depression for example［J］.Journal of Oil and Gas Technology:Journal of Jianghan Petroleum Institute,2005,27(6):821-824.［陈斌,邹华耀,于水,等.渤中凹陷油气晚期快速成藏机理研究——以黄河口凹陷BZ34断层带为例［J］.石油天然气学报:江汉石油学院学报,2005,27(6):821-824.］
［13］Wei Gang,Wang Yingbin,Deng Jinhui,et al.Shallow hydrocarbon accumulation characteristics and controlling factors in the northern BZ34 block［J］.China Offshore Oil and Gas,2005,17(6):372-375.［魏刚,王应斌,邓津辉,等.渤中34北区浅层油气成藏特征和主控因素分析［J］.中国海上油气,2005,17(6):372-375.］
［14］Cai Dongsheng,Luo Yuhu.Shallow tectonic deformation and its relationship to hydrocarbon enrichment in Bozhong depression and adjacentareas,Bohai Bay basin［J］.China Offshore Oil and Gas:Geology,2001,15(1):35-43.［蔡东升,罗毓晖.渤海浅层构造变形特征、成因机理与渤中坳陷及其周围油气富集的关系［J］.中国海上油气:地质,2001,15(1):35-43.］
［15］Luo Xiaorong.Review of hydrocarbon migration and accumulation dynamics［J］.Natural Gas Geoscience,2003,14(5):337-346.［罗晓容.油气运聚动力学研究进展及存在问题［J］.天然气地球科学,2003,14(5):337-346.］
［16］Weber K J.How heterogeneity affects oil recovery［C］//Lake L W,Carroll Jr H B.Reservoir Characterization.New York:Academic Press,1986:487-544.
［17］Wang Shangwen.China Petroleum Geology［M］.Beijing: Petroleum Industry Press,1985.［王尚文.中国石油地质学［M］.北京:石油工业出版社,1985.］
［18］Zhou Lihong,Lu Yi,Xiao Dunqing,et al.Basinal texture structure of Qikou sag in Bohai Bay basin and its evolution［J］.Natural Gas Geoscience,2011,22(3):373-382.［周立宏,卢异,肖敦清,等.渤海湾盆地歧口凹陷盆地结构构造及演化［J］.天然气地球科学,2011,22(3):373-382.］
［19］Gong Zaisheng,Wang Guochun.Hydrocarbon pooling in late period controlling by Neotectonism in Bohai Sea area［J］.Acta Petrolei Sinica,2001,22(2):1-7.［龚再升,王国纯.渤海新构造运动控制晚期油气成藏［J］.石油学报,2001,22(2):1-7.］
［20］Mi Lijun.The Neotectonism and major Neogene oil and gas fields in Bohai Sea［J］.China Offshore Oil and Gas:Geology,2001,15(1):21-28.［米立军.新构造运动与渤海海域上第三系大型油气田［J］.中国海上油气:地质,2001,15(1):21-28.］
［21］Garven G.Continental scale groundwater flow and geologic processes［J］.Annual Review of Earth and Planetary Sciences,1995,23:89-117.
［22］Deng Yunhua.Control of the Neotectonism along Tancheng-Lujiang fracture zone on hydrocarbon accumulation in the eastern Bohai Sea［J］.China Offshore Oil and Gas:Geology,2001,15(5):301-305 .［邓运华.郯庐断裂带新构造运动对渤海东部油气聚集的控制作用［J］.中国海上油气:地质,2001,15(5):301-305.］
［23］Deng Jinhui,Wu Qiang,Zhou Xinhuai,et al.Reservoir-forming periods of JZ25 hydrocarbon reservoir in Liaodong Bay,Bohai Sea［J］.Natural Gas Geoscience,2008,19(4):537-540.［邓津辉,武强,周心怀,等.渤海辽东湾海域JZ25油气藏成藏期次研究［J］.天然气地球科学,2008,19(4):537-540.］
［24］Deng Yunhua.Discussions on the factors controlling hydrocarbon accumulation in Qinan fault step belt［J］.China Offshore Oil and Gas:Geology,1995,9(4):246-252.［邓运华.歧南断阶带油气聚集因素探讨［J］.中国海上油气:地质,1995,9(4):246-252.］
［25］Deng Yunhua.Types and accumulation controls of Neogene oil reservoirs in Bohai Bay basin［J］.China Offshore Oil and Gas:Geology,2003,17(6):359-364.［邓运华.渤海湾盆地上第三系油藏类型及成藏控制因素分析［J］.中国海上油气:地质,2003,17(6):359-364.］
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