【摘要】 根据库车坳陷典型构造天然气成藏条件研究,总结出库车坳陷断裂输导天然气具有4种成藏模式。即由盐下断裂和穿盐断裂(不连接圈闭)构成的输导天然气成藏模式、仅由盐下断裂构成的输导天然气成藏模式、由盐下断裂和圈闭顶部突破断裂构成的输导天然气成藏模式和仅由穿盐断裂构成的输导天然气成藏模式。前二种输导天然气成藏模式对库车坳陷天然气成藏的作用相对较大,有利于天然气的大规模聚集成藏。而后二种输导天然气成藏模式对成藏的作用相对较低,不利于天然气的大规模聚集,只能形成一些小型气藏。更多还原

【Abstract】 According to study on gas reservoir forming conditions in typical structure in Kuche Depression,this paper summarizes 4 types of gas reservoir patterns conducted by fractures: pattern formed by subsalt fracture and trans-salt fracture(discontinuous trap),pattern formed by subsalt fracture,pattern formed by subsalt fracture and sudden fracture on the top of trap,and pattern formed by trans-salt fracture.The first two patterns have more effect on gas reservoir formation in Kuche Depression,being favorable for large scale accumulation of gas to form reservoirs.The last two patterns have little effect on reservoir formation,and only can form small reservoirs.更多还原