塔北Y地区海相裂缝性碳酸盐岩储层特征及预测
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摘要
探讨塔北Y地区海相裂缝性碳酸盐岩储层发育特征、主控因素及分布规律。通过岩心观察研究储层与裂缝的相互关系,通过单井储层建模及模型正演,分析有效储层的地震反应特征。结果表明,在研究区构造裂缝为喀斯特发育提供有利通道,裂缝与喀斯特之间的相互作用,形成有利储集空间。裂缝性储层能形成"串珠"状及杂乱状反射2种地震响应特征。利用振幅变化率地震属性对储层分布进行了预测,预测结果与裂缝发育规律吻合。
This paper analyses the development characteristics and main controlling factors of the marine fractured carbonate rock reservoirs in Y area of North Tarim Uplift and discusses the relation between reservoirs and fractures.Based on the core observation,it confirms the interaction between reservoirs and fractures.Then,it analyzes the seismic reflection characteristics of effective reservoirs by reservoir modeling and forward modeling of the single wells.The results show that the structural fractures can provide favorable paths for the development of the karst in Y area.The interaction of fractures and karst can from favorable reservoir spaces.The fractured reservoirs can from two kinds of seismic reflections,that is,the bead-like seismic reflection and the disorder reflection.The paper predicts the reservoir distribution using the seismic attribute of amplitude variability.The predicted results are coincidence with the developing rules of the fractures.
This paper analyses the development characteristics and main controlling factors of the marine fractured carbonate rock reservoirs in Y area of North Tarim Uplift and discusses the relation between reservoirs and fractures.Based on the core observation,it confirms the interaction between reservoirs and fractures.Then,it analyzes the seismic reflection characteristics of effective reservoirs by reservoir modeling and forward modeling of the single wells.The results show that the structural fractures can provide favorable paths for the development of the karst in Y area.The interaction of fractures and karst can from favorable reservoir spaces.The fractured reservoirs can from two kinds of seismic reflections,that is,the bead-like seismic reflection and the disorder reflection.The paper predicts the reservoir distribution using the seismic attribute of amplitude variability.The predicted results are coincidence with the developing rules of the fractures.
引文
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[11]贺振华,熊晓军.等时叠加波动方程叠前正演[J].物探化探计算技术,2005,27(3):194-198.He Z H,Xiong X J.Seismic pre-stacking forwardmodeling based on equal-time stack princi ple andone-way wave equation[J].Computing Techniquesfor Geophysical and Geochemical Exploration,2005,27(3):194-198.(In Chinese)
[12]施泽进,陈浩,王长城.川东南旺隆及周边地区T1j2-1-T1j1储层地球物理响应特征分析[J].成都理工大学学报:自然科学版,2009,36(6):593-597.Shi Z J,Chen H,Wang C C.Research on geophys-ical responses for Jialingjiang Formation in Wan-glong and surrounding areas,Southeast Sichuan,China[J].Journal of Chengdu University of Tech-nology(Science&Technology Edition),2009,36(6):593-597.(In Chinese)
[2]刘树根,时华星,徐国强.渤海湾盆地济阳坳陷孤岛下古生界碳酸盐岩潜山油气成藏特征[J].成都理工大学学报:自然科学版,2007,34(5):497-504.Liu S G,Shi H X,Xu G Q.Characteristics of petro-leum accumulation of the Gudao Lower Paleozoic car-bonate rock buried hill in the Jiyang depression,Bo-hai Bay basin,China[J].Journal of Chengdu Univer-sity of Technology(Science&Technology Edition),2007,34(5):497-504.(In Chinese)
[3]康志宏,郭春华,伍文明.塔河碳酸盐岩缝洞型油藏动态储层评价技术[J].成都理工大学学报:自然科学版,2007,34(2):143-146.Kang Z H,Guo C H,Wu W M.Technique of dy-namic descriptions to the crack and cave carbonaterock reservoir in the Tahe oil field,Xinjiang,China[J].Journal of Chengdu University of Technology(Science&Technology Edition),2007,34(2):143-146.(In Chinese)
[4]邬光辉,李建军,卢玉红.塔中Ⅰ号断裂带奥陶系灰岩裂缝特征探讨[J].石油学报,1999,20(4):19-23.Wu G H,Li J J,Lu Y H.The fracture characteris-tics of Ordovician limestone in Tazhong No.1faultbelt[J].ACTA,1999,20(4):19-23.(In Chinese)
[5]杨宁,吕修祥,潘文庆.轮南潜山奥陶系碳酸盐岩储层裂缝发育特征[J].西安石油大学学报:自然科学版,2004,19(4):40-42.Yang N,Lyu X X,Pan W Q.Feature of fracture de-velopment in Ordovician carbonate reservoir of Lun-nan burial hill[J].Journal of Xi’an Shiyou University(Natural Science Edition),2004,19(4):40-42.(In Chinese)
[6]周文,张哨楠,李良,等.鄂尔多斯盆地塔巴庙地区上古生界储层裂缝特征及分布评价[J].矿物岩石,2006,26(4):54-61.Zhou W,Zhang S N,Li L,et al.The character ofUpper Paleozoic reservoir fractures and the evaluationof their distribution in Tabamiao area of Ordos Basin[J].Journal of Mineralogy and Petrology,2006,26(4):54-61.(In Chinese)
[7]刘宏,蔡正旗,谭秀成,等.川东高陡构造薄层碳酸盐岩裂缝性储集层预测[J].石油勘探与开发,2008,35(4):431-436.Liu H,Cai Z Q,Tan X C,et al.Forecasting of frac-ture reservoirs in thin carbonate rocks of precipitousstructure belt,East Sichuan[J].Petroleum Explora-tion and Development,2008,35(4):431-436.(InChinese)
[8]刘建新,孙勤华,王锦喜,等.裂缝型储层预测技术优选——以塔北地区奥陶系为例[J].地质评论,2008,54(4):65-69.Liu J X,Sun Q H,Wang J X,et al.Technique opti-mum of prediction to fractured reservoirs:An exam-ple of Ordovician fractured reservoir in Tabei region,Tarim Basin[J].Geological Review,2008,54(4):65-69.(In Chinese)
[9]徐国盛,匡建超,叶斌,等.塔河三号油田奥陶系溶蚀缝洞储层识别与分级标准的建立[J].成都理工大学学报:自然科学版,2004,31(1):59-65.Xu G S,Kuang J C,Ye B,et al.Establishment ofrecognition and grade scale of Ordovician corrodedfissure cave reservoir in Oil Field Tahe-3,Tarim Ba-sin[J].Journal of Chengdu University of Technology(Science&Technology Edition),2004,31(1):59-65.(In Chinese)
[10]艾合买提江.阿不都热和,钟建华,李阳,等.碳酸盐岩裂缝与岩溶作用研究[J].地质评论,2008,54(4):485-493.Abdurahman A,Zhong J H,Li Y,et al.Study oneffect between karstification and fracture in carbon-ate rocks[J].Geological Review,2008,54(4):485-493.(In Chinese)
[11]贺振华,熊晓军.等时叠加波动方程叠前正演[J].物探化探计算技术,2005,27(3):194-198.He Z H,Xiong X J.Seismic pre-stacking forwardmodeling based on equal-time stack princi ple andone-way wave equation[J].Computing Techniquesfor Geophysical and Geochemical Exploration,2005,27(3):194-198.(In Chinese)
[12]施泽进,陈浩,王长城.川东南旺隆及周边地区T1j2-1-T1j1储层地球物理响应特征分析[J].成都理工大学学报:自然科学版,2009,36(6):593-597.Shi Z J,Chen H,Wang C C.Research on geophys-ical responses for Jialingjiang Formation in Wan-glong and surrounding areas,Southeast Sichuan,China[J].Journal of Chengdu University of Tech-nology(Science&Technology Edition),2009,36(6):593-597.(In Chinese)
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