吐鲁番坳陷地下水动力环境与油气分布

新疆石油地质 ›› 2003, Vol. 24 ›› Issue (6): 540-542.

吐鲁番坳陷地下水动力环境与油气分布

张代生, 高成全, 张李明, 胡袁丽

1.中国矿业大学,北京 100083;
2.中国石油吐哈油田分公司勘探开发研究院,新疆哈密 839009

收稿日期:2003-03-01 出版日期:2003-12-01 发布日期:2020-08-24
作者简介:张代生(1963-),男,甘肃白银人,高级工程师，在读博士研究生,石油地质。联系电话:0995-8371749

The Groundwater Dynamic Environment and Hydrocarbon Distribution in Turpan Depression

ZHANG Dai-sheng¹, GAO Cheng-quan², ZHANG Li-ming², HU Yuan-li²

1. Chinese Mining University, Beijing 100083, China;
2. Research Institute of Exploration and Development, Tu-Ha Oilfield Company, PetroChina, Hami, Xinjiang 839009, China

Received:2003-03-01 Online:2003-12-01 Published:2020-08-24

摘要/Abstract

摘要： 吐哈盆地水动力类型为重力流盆地,主要供水区是盆地北部博格达山,区域水压头高程呈现北高南低、地层水水势梯度东弱西强的特点,最小水压头高程与白垩纪至第四纪沉降中心的迁移相一致,从东向西由红台地区的洼陷中央逐渐过渡到西部的艾丁湖南斜坡。油气富集规律受控于水动力势场及地层水与地表水的交替区带,油气富集区与水动力低势区完全吻合:小草湖洼陷分布于东南斜坡区,丘东洼陷富集于南斜坡,胜北洼陷则分布于南部和西南部。油气藏形成后同样受水动力场的影响,使油气分布进行调整、再分配,或被地表水驱替而遭破坏。坳陷西南部艾丁湖斜坡区(鲁西低凸起)是水动力低势区,可能是形成岩性地层油气藏的有利场所。

关键词: 吐鲁番盆地, 水动力条件, 油气运移, 油气聚集, 远景预测

Abstract: Tu-Ha basin belongs to a gravity flow-type basin in hydrodynamics. The main water supply comes from Bogoda mountain of northern Tu-Ha basin, characterized by the high in north and low in south for regional elevation head, the weak in east and strong in west for water level gradient. The minimum elevation head is consistant with the transported elemation of subsiding center from Cretaceous to Quaternary period, i.e., from central seg of Hongtai area in east gradually transiting to south slope of Aiding lake in west. The hydrocarbon enrichment is controlled the hydrodynamic potential field and alternating zone between formation water and surface water, with complete matching to the area of low hydrodynamic potential. Also, the petroleum reservoir formed is affected by hydrodynamic field, causing oil-gas distribution to have been modulated and re-distributed, even displaced by surface water and damaged. It is concluded that Aiding lake slope area in southwestern Turpan depression (Luxi low salient) as low hydrodynamic potential area could be favorable place for forming lithologic/stratigraphic hydrocarbon reservoirs.

Key words: Turpan basin, hydrodynamic condition, hydrocarbon migration, hydrocarbon accumulation, potential prediction

中图分类号:

TE112.422

张代生, 高成全, 张李明, 胡袁丽. 吐鲁番坳陷地下水动力环境与油气分布[J]. 新疆石油地质, 2003, 24(6): 540-542.

ZHANG Dai-sheng, GAO Cheng-quan, ZHANG Li-ming, HU Yuan-li. The Groundwater Dynamic Environment and Hydrocarbon Distribution in Turpan Depression[J]. Xinjiang Petroleum Geology, 2003, 24(6): 540-542.

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