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喜马拉雅运动对吐哈盆地油气藏的影响
石油与天然气地质
2001年 22卷 第No.4期
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Title
INFLUENCE OF HIMALAYAN MOVEMENT ON HYDROCARBON FORMATION IN TURPAN-HAMI BASIN
Authors
Zeng Jianhui
Zuo Shengjie
摘要
吐哈盆地喜马拉雅运动强烈,对油气运移和聚集构成重要的影响,主要表现在:(1)产生构造挤压应力驱动煤成油的初次运移;(2)改变油气二次运移的流体动力条件,从而影响油气二次运移的方向、方式及聚集场所,因水动力场由压实水流向重力水流变化,使流体垂向连通性增加,油气发生穿层运移;(3)导致构造高位的油水界面、油气藏充满度下降,低部位的升高;(4)对古油藏进行调整和改造,使其遭受破坏或形成次生油气藏.
Abstract
The strong Himalayan movement significantly affected hydrocarbon migration and accumulation of Turpan Hami Basin.Its influences include:1.resulting in compressional stress drived primary migration of coal formed oil;2.changing the fluid dynamic conditions,the pathways and the manners of hydrocarbon secondary migration,resulting in hydrocarbon interlayer cross migration;3.causing the fall of oil water boundary,filling degrees of traps;4.adjusting and reforming paleo pools to form secondary hydrocarbon pools.
关键词：
喜马拉雅运动;
油气运移;
油水界面;
次生油气藏;
吐哈盆地;
Keywords:
Himalayan movement;
hydrocarbon migration;
Turpan-Hami Basin;
oil water boundary;
secondary oil and gas pool;
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