摘要
构造圈闭是松辽盆地已勘探开发的油气藏中最主要的圈闭类型,作者依据地震勘探程度、烃类检测及化探异常显示、钻探试油成果、圈闭规模和形成期以及生、储、盖、运、保诸条件,对不同层系的构造圈闭分别予以排序定级——分为三类四级,籍以提高钻探成功率。
Abstract
Among all the structural traps discovered in the north of the Songliao Basin, anticline structures occupy 16.5%, faulted-noze structures 61.9%, faulted-block structures 21.6%. The explored hydrocarbon reserve at present is mainly distributed in the anticline structures. Based on data of seismic exploration, hydrocarbon detection, geochemical exploration anomaly and well-test result, the authors divided the traps of different sequences into three types and four grades so as to increase the rate of success.
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