CAJ | 학술논문

为降低深水勘探风险，准确识别白云深水区岩性圈闭边界，采用多种技术手段相结合的方法，对深水沉积岩性圈闭的边界进行研究。在层序地层格架、沉积体系控制下，锁定岩性圈闭形成的有利区带；建立深水重力流沉积储层岩相组合正演模型；利用地震波形分析技术，识别储层与非储层，精细刻画水道沉积充填特征、扇体内部结构、砂体堆砌方式等微观结构；结合储层反演，以及多种地震属性，进一步综合识别岩性圈闭边界。研究成果总结了白云深水陆坡重力流水道砂岩，斜坡扇、盆底扇砂岩岩性圈闭的边界识别特征，并应用到勘探实践中，取得了良好的勘探成果。
위강저심수감탐풍험，준학식별백운심수구암성권폐변계，채용다충기술수단상결합적방법，대심수침적암성권폐적변계진행연구。재층서지층격가、침적체계공제하，쇄정암성권폐형성적유리구대；건립심수중력류침적저층암상조합정연모형；이용지진파형분석기술，식별저층여비저층，정세각화수도침적충전특정、선체내부결구、사체퇴체방식등미관결구；결합저층반연，이급다충지진속성，진일보종합식별암성권폐변계。연구성과총결료백운심수륙파중력류수도사암，사파선、분저선사암암성권폐적변계식별특정，병응용도감탐실천중，취득료량호적감탐성과。
To reduce the risk of exploration in deep water,and accurately identify the lithologic traps’bounda-ry in the deep zone of Baiyun depression,this paper adopted the method of combining multiple technologies to study the sedimentary lithologic traps’boundary in deep-water.In the sequence stratigraphic framework and un-der the control of sedimentary system,the favorable area is targeted,in which lithological traps can form;The forward model is built,which can describe various kinds of sedimentary reservoir faces about the gravity flow in deep water;Making use of the analytical technology of seismic waveform,the reservoirs and non-reservoirs are indentified,and the characterization of channel deposition and filling,the sedimentary fan body inside struc-ture,sand body packing mode of microstructure are finely described;Combination of reservoir inversion and a variety of seismic attributes,the lithological traps’boundary is further comprehensively identified.The study re-sult summarized the recognizable characters of sand rock lithological traps’boundary about the slope gravity flow channel sand,slope fan,floor fan sandstone in Baiyun deep-water,and it is applied to the exploration prac-tice,then the good exploration results are obtained.