塔贝尔凹陷大磨拐河组沉积相平面展布特征
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摘要
以岩心、测井、地震、岩石薄片、分析化验等资料为基础,通过对研究区内的岩性特征、测井曲线形态及沉积微相特征分析,对塔贝尔凹陷的沉积相进行了研究。塔贝尔凹陷大磨拐河组主要发育扇三角洲、三角洲、湖底扇和湖泊沉积体系,其中三角洲—湖泊沉积体系是研究区内最为发育的沉积体系类型。综合利用地震属性分析、砂岩百分含量、重矿物等资料,对塔贝尔凹陷的沉积体系平面展布进行了初步的预测。这有助于在更深层次上研究大磨拐河组的储层特征与展布、油气富集规律、圈闭的成藏机理,并为油气勘探提供依据。
Facies analysis had been carried out in the Tarbell Depression based on lithology,logging curves and sedimentary microfacies.Various depositional systems,such as the fan-delta,delta,lake floor fan and lacustrine systems were observed in the Damoguaihe Formation.According to seismic attributes,sandstone percentage,heavy minerals etc.,preliminary prediction of the distribution pattern of the depositional systems was made.The results have been proved helpful in further research on reservoir characteristics and distribution,oil and gas accumulation,traps forming in the Damoguaihe Formation and paved the way for further exploration and development of oil and gas.
Facies analysis had been carried out in the Tarbell Depression based on lithology,logging curves and sedimentary microfacies.Various depositional systems,such as the fan-delta,delta,lake floor fan and lacustrine systems were observed in the Damoguaihe Formation.According to seismic attributes,sandstone percentage,heavy minerals etc.,preliminary prediction of the distribution pattern of the depositional systems was made.The results have been proved helpful in further research on reservoir characteristics and distribution,oil and gas accumulation,traps forming in the Damoguaihe Formation and paved the way for further exploration and development of oil and gas.
引文
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[3]Geehan G W.Geologic prediction of shale continuity,Prud-hoe Bay Field:reservoir characterization[J].Acade Press,Inc.1986,19(9):162-168.
[4]单敬福,王峰,孙海雷,等.同沉积构造组合模式下的沉积层序特征及其演化[J].地质论评,2010,56(3):426-439.
[5]单敬福,王峰,孙海雷,等.蒙古国境内贝尔湖凹陷早白垩纪沉积充填演化与同沉积断裂的响应[J].吉林大学学报,2010,40(3):509-518.
[6]单敬福,王峰,孙海雷,等.基于地震波阻抗反演的州57水平井区块小层砂体预测技术[J].石油与天然气地质,2010,31(2):212-218.
[7]纪友亮,赵贤正,单敬福,等.冀中坳陷古近系沉积层序特征及其沉积体系的演化[J].沉积学报,2009,27(3):48-56.
[8]解习农.断陷盆地构造作用与层序样式[J].地质论评,1996,42(3):398-412.
[9]李思田,林畅松,解习农,等.大型陆相盆地层序地层学研究[J].地学前缘,1995,2(3-4):133-136.
[10]姜在兴,李华启.层序地层学原理及应用[M].北京:石油工业出版社,1996:5-29.
[11]纪友亮,单敬福,周勇,等.南贝尔凹陷层序地层与沉积相研究[R].大庆:大庆油田勘探开发研究院,2010.
[12]纪友亮,张世奇.层序地层学原理及层序成因机制模式[M].北京:地质出版社,1998:1-195.
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