【作者】 娄占伟；

【导师】 肖贤明；

【作者基本信息】 中国科学院研究生院（广州地球化学研究所） ， 地球化学， 2005， 博士

【摘要】 酒泉盆地已进入勘探后期，后备储量严重不足，勘探形势十分严峻。对构造、沉积特征进行精细研究，寻找新的勘探目标成为一项严峻的任务。本研究在早期研究成果的基础上，采用一系列综合研究手段与方法，重点开展沉积、构造、储层、圈闭及勘探目标的研究。主要获得了如下成果与认识： (1) 进一步建立起了酒泉盆地区域地层格架、建立起了次级凹陷沉积模式，应用该模式预测了生、储、盖的分布规律，为寻找非构造圈闭提供了参考； (2) 利用新的地震、钻井资料，结合非地震和地面露头资料，完善了酒泉盆地南缘山前冲断带构造建模：进一步深化了南缘山前冲断带结构特征认识，重新评价了江南、大红圈次凹的石油地质条件，认为仍具有一定勘探潜力。 (3) 提出了一些有利勘探区块，如本研究认为窟窿山构造东块具有良好的油气勘探前景；青西油田存在深层油气藏；证实金佛寺掩伏构造为一大型完整的背斜构造；长沙岭构造带是营尔凹陷内构造-岩性油气勘探的有利区带； (4) 通过综合分析与成图，落实了一批后备目标，解释了新的圈闭10个，总面积149.28km~2，为下一步勘探部署提供了依据。 本研究成果对于酒泉盆地下一步勘探具有非常重要的意义。更多还原

【Abstract】 Since the Jinquan Basin has new been in the late exploration and development, the reserve exploration targets are obviously insufficient and the exploration situation is extremely severe. To look for new exploration targets become an austere task based on an detailed re-investigation of structures and sedimentations. In this study, an intergraded method was applied to focus on the investigation of structures, sedimentations, reservoirs, traps and exploration targets. The following achievements and knowledge have been obtained:(1). The regional strata framework of the Jinquan Basin was re-established, and the depositional models for the sub-depressions were established. Using these models, the combination patterns of the source -reservoir-cap rocks were evaluated, which will provide a guide for the exploration of no-structure traps.(2). Based on the seismic, non- seismic and well data as well as outcrop investigation, the modeling of the front hill trust belt at the south edge in the Jiuquan Basin was perfected. The further understanding on the structural features of the front hill trust belt at south edge was achieved. The petroleum geological conditions of the Jingnan and Dahong sub-depressions were re-evaluated and it is believed that the two areas have petroleum prospective.(3) Some favorable blocks for prospecting were suggested, such as the Kuloushan structure, Qingxi deep strata, the Jinfusi hidden structure and Changsalin structure belt.(4). Through many rounds of structural interpretations, 10 traps were newly discovered with a total area of single layer traps about 149. 28km~2. This has provided a basis for further exploration.These results are of great significance for further exploration and development in the Jinquan Basin.更多还原