济阳坳陷滩海地区曲流河沉积结构特征及储层描述研究
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摘要
储层非均质性是影响河流相储层油气分布的主要因素。细分储层沉积结构单元方法是河流相储层非均质性研究的有效方法。但是,河流相储层的沉积、保存又存在其特殊性,这使得河流相沉积结构单元的野外露头识别、单井识别是可行的,但不同沉积结构单元的平面识别、预测难度较大。本文以曲流河沉积特殊性分析为基础,划分了沉积层次,总结了不同沉积结构单元的特征。总结出应综合运用丰富的测井、钻井、地震资料,同时结合曲流河的沉积、保存特征进行识别和描述。
The reservoir heterogeneity is the primary influential factor in fluvial reservoir hydrocarbon distribution,and dissection of reservoir sedimentary architectural elements is a potent research method.Though the identification of the field outcrop and single well of fluvial sedimentary architectural elements is relatively easy because of the particularity of meandering river sedimentation and preservation,the plane identification of different sedimentary architectural elements is difficult.Based on analyzing on the particularity of meandering river sediment,the layers of meandering river sediment were parted,and the characteristics of different sedimentary architectural elements were summarized.During the plane description,the identification and description should be based on integrated applying abundant well logging and drilling data with the characteristics of meandering river sedimentation and preservation.
The reservoir heterogeneity is the primary influential factor in fluvial reservoir hydrocarbon distribution,and dissection of reservoir sedimentary architectural elements is a potent research method.Though the identification of the field outcrop and single well of fluvial sedimentary architectural elements is relatively easy because of the particularity of meandering river sedimentation and preservation,the plane identification of different sedimentary architectural elements is difficult.Based on analyzing on the particularity of meandering river sediment,the layers of meandering river sediment were parted,and the characteristics of different sedimentary architectural elements were summarized.During the plane description,the identification and description should be based on integrated applying abundant well logging and drilling data with the characteristics of meandering river sedimentation and preservation.
引文
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[2]Miall A D.Reservoir heterogeneities in flu-vial sandstone:lessons from outcrop studies[J].AAPG,1988,72(6):682~697.
[3]李庆忠.近代河流沉积与地震地层学解释[J].石油物探,1994,33(2):26~41.
[4]李庆忠.河道解释中的陷阱[J].石油地球物理勘探,1998,33(3):336~341.
[5]裘亦楠.开发地质方法论[J].石油勘探与开发,1996,23(2):43~47.
[6]刘吉余,郝景波,尹万泉,等.流动单元研究方法及其研究意义[J].大庆石油学院学报,1998,22(1):5~7.
[7]尹太举,张昌民,陈程,等.建立储层流动单元模型的新方法[J].石油与天然气地质,1999,20(2):170~175.
[8]彭仕宓,尹志军,常学军,等.陆相储集层流动单元定量研究新方法[J].石油勘探与开发,2001,28(5):68~70.
[9]盛文波,邢正岩,王文环,等.桩106地区网状河砂岩油藏特征[J].特种油气藏,2003,10(3):21~26.
[10]冯晓宏,刘学锋,岳清山,等.厚油层非均质特征描述的新方法水力(渗流)单元分析[J].石油学报,1994,15(专刊):149~158.
[11]赵翰卿.对流动单元研究的认识与建议[J].大庆石油地质与开发,2001,20(3):8~10.
[12]窦之林.孤东油田馆陶组河流相储集层流动单元模型与剩余油分布规律研究[J].石油勘探与开发,2000,27(6):51~53.
[13]林承焰.剩余油形成与分布[M].东营:石油大学出版社,2000.
[14]梁刚,钟建华,陈志鹏.松辽盆地北部英86井区P13油层组油气分布规律[J].特种油气藏,2009,16(4):45~47.
[15]吕晓光,于洪文,田东辉,等.高含水后期油田细分单砂层的地质研究[J].新疆石油地质,1993,14(4):345~349.
[16]刘吉余,郝景波,等.流动单元的研究方法及其研究意义[J].大庆石油学院学报,1998,22(1):5~7.
[17]张营革,郝志伟.飞雁滩-老河口地区馆上段河道砂体描述技术[J]内蒙古石油化工,2006,11:127~130.
[18]于建国,林春明,杨云,等.分流河道特征及其识别方法以东营凹陷东部地区为例[J].高校地质学报,2002,8(2):152~159.
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