惠民凹陷的震积作用及低电阻率油层
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摘要
惠民凹陷沙河街组中存在古地震作用形成的原地扰动层、震浊积岩和震风暴岩,尤以原地扰动层和震浊积岩发育。可见微断层、层内阶梯状断层、震球枕构造、震碎角砾及各种变形构造等震积岩的识别标志。惠民凹陷中央隆起带基山砂体中,震积作用及震积岩分布与火山作用、火成岩分布具有同时间性与同空间性。震积岩,特别是震裂岩和震碎角砾岩中的孔、缝形成早,改善储集层渗透性,可成为一种非均质性很强的储层。该储层具有裂缝-孔隙双重孔隙网络,常形成相对低电阻率油层。
Ancient earthquakes formed seismites, seismoturbidites and tempestites in Shahejie Formatiom in Huimin sag. Many kinds of soft identified structures have been found in seismites, such as micro-faults, step micro-faults, seism pillows, seismic breccias and deformation structures. Seismic deposition and seismite distribution have the same time and space with volcanism and igneous in Jishan sandstone body. Pores and fractures formed in early time and they improve the permeability in seismites, especially, in seismic shattering rocks and seismic breccias. Seismites will become the reservoirs that have the strong heterogeneity. The reservoirs often form the low contrast resistivity oil layers because they have the dual pore networks, that is, fractures and pores.
Ancient earthquakes formed seismites, seismoturbidites and tempestites in Shahejie Formatiom in Huimin sag. Many kinds of soft identified structures have been found in seismites, such as micro-faults, step micro-faults, seism pillows, seismic breccias and deformation structures. Seismic deposition and seismite distribution have the same time and space with volcanism and igneous in Jishan sandstone body. Pores and fractures formed in early time and they improve the permeability in seismites, especially, in seismic shattering rocks and seismic breccias. Seismites will become the reservoirs that have the strong heterogeneity. The reservoirs often form the low contrast resistivity oil layers because they have the dual pore networks, that is, fractures and pores.
引文
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2 杜远生,韩欣.论震积作用和震积岩.地球科学进展,2000,15(4):389~394[Du Yuansheng,Han Xin.Seismoeismo-deposition and seismites.Advance in Earth Sciences,2000,15(4):389~394]
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10 袁静.山东惠民凹陷古近纪震积岩特征及其地质意义.沉积学报,2004,22(1):40~46[Yuan Jing.The property and geological sig-nificance of seismites of Paleogene in Huimin Sag,Shandong Prov-ince.Acta Sedimentologica Sinica,2004,22(1):40~46]
11 袁静.中国震积作用和震积岩研究进展.石油大学学报(自然科学版),2005,29(1):144~148[Yuan Jing.Research of seismic dep-osition and seismites of China.Journal of the University of Petroleum,Chin,2005,29(1):144~148]
12 乔秀夫,宋天锐,高林志,等.地层中地震记录(古地震).北京:地质出版社,2006.1~4[Qiao Xiufu,Song Tianrui,Gao Linzhi,et al.Seismic records in strata(ancient earthquakes).Beijing:Geogi-cal Publishing House,2006.1~4]
13 操应长,姜在兴,邱隆伟.山东惠民凹陷商741块火成岩油藏储集空间类型及形成机理探讨.岩石学报,1999,15(1):129~136[Cao Yingchang,Jiang Zaixing and Qiu Longwei.Study on the type and origin of the reservoir space of igneous oil reservoir in Shang741block,Huimin depression,Shandong.Acta Petrologica Sinica,1999,15(1):129~136.
14 张小莉,查明.惠民凹陷临邑洼陷岩性油藏控制因素分析.沉积学报,2006,24(2):289~293[Zhang Xiaoli,Zha Ming.Analysis of the controls on lithologic oil reservoir in Linyi Subsag,Huimin Sag.Acta Sedimentologica Sinica,2006,24(2):289~293]
2 杜远生,韩欣.论震积作用和震积岩.地球科学进展,2000,15(4):389~394[Du Yuansheng,Han Xin.Seismoeismo-deposition and seismites.Advance in Earth Sciences,2000,15(4):389~394]
3 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.石油学报,1998,19(4):46~50[Dai Junsheng,Lu Kezheng,Qi Jiafu,et al.The evolution of the Paleogene structural styles in Bohai Gulf basin.Acta Petrolei Sinica.1998,19(4):46~50]
4 Seilaeher A.Sedimentary structures tentatively attributed to seismic e-vents.Marine Geology,1984,55(1):1~l2
5 Frank TD,Lyons T.W.“Molar-toth”structures-a geochemie Mper-spective on a Preterozoie enigma.Geology,1998,26(8):683~686
6 宋天锐,和政军,丁孝忠,等.北京十三陵前寒武纪碳酸盐岩地层中的一套可能的地震—海啸序列.科学通报,1988,38(8):609—611[Song Tianmi,He Zhengiun,Ding Xiaozhong,et al.A study of geological event records in the Preterozoie Chuan Linggou Formation of Ming Tombs District,Beijing.Geolosical Review,2000,46(4):400~406]
7 乔秀夫.中朝板块元古宙板内地震带与盆地格局.地学前缘,2002,9(3):141~149[Qiao Xiufu.Intraplate Seismic belt and basinframework of Sino-Korean plate in proterozoic.Earth Science Frontiers,2002,9(3):141~149]
8 乔秀夫,宋天锐,高林志,等.碳酸盐岩振动液化地震序列.地质学报,1994,68(1):16~32[Qiao Xiufu,Song Tianrui,Gao Linzhi,et al.Seismic sequence in carbonate rocks by vibrational liquefaction.Acta Geologlca Sinica,1994,68(1):l6~32]
9 杨剑萍,王辉,陈世悦,袁静,鄢继华,赵卫卫.济阳坳陷古近系震积岩特征.沉积学报,2004,22(2):281~287[Yang Jianping,Wang Hui,Chen Shiyue,Yuan Jing,Yan Jihua,Zhao Weiwei.The features of seismite in Jiyang Sub-basin.Paleogene.Acta Sedimentologica Sini-ca,2004,22(2):281~287.]
10 袁静.山东惠民凹陷古近纪震积岩特征及其地质意义.沉积学报,2004,22(1):40~46[Yuan Jing.The property and geological sig-nificance of seismites of Paleogene in Huimin Sag,Shandong Prov-ince.Acta Sedimentologica Sinica,2004,22(1):40~46]
11 袁静.中国震积作用和震积岩研究进展.石油大学学报(自然科学版),2005,29(1):144~148[Yuan Jing.Research of seismic dep-osition and seismites of China.Journal of the University of Petroleum,Chin,2005,29(1):144~148]
12 乔秀夫,宋天锐,高林志,等.地层中地震记录(古地震).北京:地质出版社,2006.1~4[Qiao Xiufu,Song Tianrui,Gao Linzhi,et al.Seismic records in strata(ancient earthquakes).Beijing:Geogi-cal Publishing House,2006.1~4]
13 操应长,姜在兴,邱隆伟.山东惠民凹陷商741块火成岩油藏储集空间类型及形成机理探讨.岩石学报,1999,15(1):129~136[Cao Yingchang,Jiang Zaixing and Qiu Longwei.Study on the type and origin of the reservoir space of igneous oil reservoir in Shang741block,Huimin depression,Shandong.Acta Petrologica Sinica,1999,15(1):129~136.
14 张小莉,查明.惠民凹陷临邑洼陷岩性油藏控制因素分析.沉积学报,2006,24(2):289~293[Zhang Xiaoli,Zha Ming.Analysis of the controls on lithologic oil reservoir in Linyi Subsag,Huimin Sag.Acta Sedimentologica Sinica,2006,24(2):289~293]
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