摘要
根据构造-岩性复合圈闭所涉及到的构造、岩性两个重要因素的相互关系将复合圈闭样式划分为4种样式,即单斜-岩性复合式、背斜-岩性复合式、断块-岩性复合式和鼻状-岩性复合式。松南十屋断陷中央构造带实际资料研究,发现了几个构造-岩性复合圈闭,即SN85井西构造、SN87井北构造、孤家子北构造。这些构造-岩性复合圈闭是下步勘探的有利目标。
Abstract
On the basis of the interrelationship of structure and lithology of the trap, the composite traps can be divided into 4 styles, including monoclinal-lithologic trap, anticlinal-lithologic trap, fault block-lithologic trap and nose-lithologic trap. After studying the data of the central structural belt in Shiwu rift,southern Songliao basin, it is found that there are several structural-lithologic composite traps,such as the structure to the west of SN85 well, the structure to the northern SN87 well and North Gujiazi structure. These structural-lothologic composite traps will be the favorable exploration targets in the future.
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