储层精细预测技术在周青庄油田的应用
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摘要
周青庄油田小断裂发育,构造复杂,油气分布受构造和储层变化的控制。利用等时地层对比技术和基于小波变换的地震相干体技术,研究了断裂分布;综合测井和地震数据进行沉积相反演和沉积相控制下的相控储层预测技术,研究了储层空间展布。应用储层精细预测技术,对周青庄油田古近系S43油组的构造和储层砂体展布规律进行了分析和预测,提出了井位部署意见,钻井后获得了高产工业油流,扩大了含油面积,增加了石油地质储量。
Zhouqingzhuang Oilfield was characterized by numerous local faults and complicated structure.The spatial distribution of hydrocarbon accumulation was predominated by the structure and lateral variations of reservoir formations.A new set of high-precision reservoir prediction techniques was applied in the oil and gas pay zones of this oilfield.The prediction techniques include the recognition technique of fault system based on integration of time-stratigraphic correlation and 3D seismic coherence cube processed by wavelet transformation,the sedimentary facies recognition technique by integration of well log and seismic attributes,and the high vitality 3D reservoir attributes outlining based on high precision reservoir prediction controlled by sedimentary lithofacies.The structural features and 3D distributions of sand bed attributes of the Paleogene S43 reservoir in Zhouqingzhuang Oilfield were delineated with above techniques.A new well planning project was made.As a result,many new wells acquried high-yielded oil flow.Furthermore,pay zone extension was confirmed,and the oil reserves in place increased by 1.89 million tons.
Zhouqingzhuang Oilfield was characterized by numerous local faults and complicated structure.The spatial distribution of hydrocarbon accumulation was predominated by the structure and lateral variations of reservoir formations.A new set of high-precision reservoir prediction techniques was applied in the oil and gas pay zones of this oilfield.The prediction techniques include the recognition technique of fault system based on integration of time-stratigraphic correlation and 3D seismic coherence cube processed by wavelet transformation,the sedimentary facies recognition technique by integration of well log and seismic attributes,and the high vitality 3D reservoir attributes outlining based on high precision reservoir prediction controlled by sedimentary lithofacies.The structural features and 3D distributions of sand bed attributes of the Paleogene S43 reservoir in Zhouqingzhuang Oilfield were delineated with above techniques.A new well planning project was made.As a result,many new wells acquried high-yielded oil flow.Furthermore,pay zone extension was confirmed,and the oil reserves in place increased by 1.89 million tons.
引文
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[6]赵国良,穆龙新,计智锋,等.苏丹M盆地P油田退积型辫状三角洲沉积体系储集层综合预测[J].石油勘探与开发,2005,32(6):125-128.Zhao Guoliang,Mu Longxin,Ji Zhifeng,et al.Reservoir predictionof the retrogradation braided delta depositional system of P Oil-field in the M Basin,Sudan[J].Petroleum Exploration and Devel-opment,2005,32(6):125-128.
[7]尹兵祥,王尚旭,蔡国刚,等.辽河坳陷黄沙坨油田沙三段粗面岩储层地震预测[J].石油学报,2005,26(3):33-36.Yin Bingxiang,Wang Shangxu,Cai Guogang,et al.Seismic predic-tion of trachyte reservoir in third member of Shahejie Formation inHuangshatuo Oilfield of Liaohe Depression[J].Acta Petrolei Sini-ca,2005,26(3):33-36.
[8]赵力民,彭苏萍,郎晓玲,等.利用Stratimagic波形研究冀中探区大王庄地区岩性油藏[J].石油学报,2002,23(4):33-36.Zhao Limin,Peng Suping,Lang Xiaoling,et al.Application of stra-timagic waveform classification technique to the research of lithol-ogic oil reservoir in Dawangzhuang area[J].Acta Petrolei Sinica,2002,23(4):33-36.
[9]孟小红,王卫民,姚长利,等.地质模型计算机辅助设计原理与应用[M].北京:地质出版社,2001:117-120.Meng Xiaohong,Wang Weimin,Yao Changli,et al.Computer ai-ded geological model design,theory and application[M].Beijing:Geological Publishing House,2001:117-120.
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