地震储层描述技术在渤海海域曹妃甸11-6油田储量评价中的应用
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摘要
曹妃甸11-6油田是渤海海域以明化镇组河流相储层为主要目的层的油田。河流相储层岩性纵向和横向变化大,储层薄且往往叠合或交叉,连续性差,储层预测和描述是油田储量评价中的难点和关键点。由于受分辨率限制,基于反射层的传统三维地震解释往往不能满足河流相储层描述的需要,因此,各种深入发掘地震资料有用信息的地震储层描述技术飞速发展。本文在分析曹妃甸11-6油田河流相储层地质特征及地球物理特征的基础上,以测井约束反演及地震属性分析技术开展油田储层描述,经开发井证实,该套技术能够高效、准确的预测和描述该油田河流相储层分布,能够满足油田储量评价的需要,对该地区相同层位的河流相储层描述具有一定借鉴作用。
The CFD11-6 oilfield lies in the Bohai offshore area,the main zone of this oilfield is fluvial reservoir of Minghuazhen formation.The thin thickness,great lateral changes and poor continuity are the main features of fluvial reservoir,it is hard to describe the fluvial reservoir.Many seismic reservoir description methods of fluvial reservoir were applied widely now.According to study the geological and geophysical features of CFD11-6 oilfield,the log constrained inversion and seismic attribute techniques were selected to describe the reservoir of this oilfield.The data of development proved that this method can meet the need of reserve evaluation and provide the experience for the other oilfields of Bohai offshore area.
The CFD11-6 oilfield lies in the Bohai offshore area,the main zone of this oilfield is fluvial reservoir of Minghuazhen formation.The thin thickness,great lateral changes and poor continuity are the main features of fluvial reservoir,it is hard to describe the fluvial reservoir.Many seismic reservoir description methods of fluvial reservoir were applied widely now.According to study the geological and geophysical features of CFD11-6 oilfield,the log constrained inversion and seismic attribute techniques were selected to describe the reservoir of this oilfield.The data of development proved that this method can meet the need of reserve evaluation and provide the experience for the other oilfields of Bohai offshore area.
引文
[1]乔玉雷,陈布科,冯德永.济阳坳陷新近系河流相储层油气藏综合研究[J].成都理工大学学报:自然科学版,2003,30(5):491～500.
[2]范廷恩,李维新,王志红等.渤海渤中34区河流相储层预测与描述技术研究[J].中国海上油气,2006,18(1):13～15.
[3]段小兰,徐福刚,黄秀芹.飞雁滩油田馆陶组河流相砂体勘探技术研究[J].内江科技,2009,(4):101～109.
[4]许辉群,桂志先.利用测井约束地震反演预测砂体展布-以YX地区砂四段三砂组砂体为例[J].天然气地球科学,2006,17(4):547～551.
[5]阳飞舟,崔永福,李青.地震属性分类及其应用[J].内蒙古石油化工,2009,(2):94～97.
[2]范廷恩,李维新,王志红等.渤海渤中34区河流相储层预测与描述技术研究[J].中国海上油气,2006,18(1):13～15.
[3]段小兰,徐福刚,黄秀芹.飞雁滩油田馆陶组河流相砂体勘探技术研究[J].内江科技,2009,(4):101～109.
[4]许辉群,桂志先.利用测井约束地震反演预测砂体展布-以YX地区砂四段三砂组砂体为例[J].天然气地球科学,2006,17(4):547～551.
[5]阳飞舟,崔永福,李青.地震属性分类及其应用[J].内蒙古石油化工,2009,(2):94～97.
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