Special migration and accumulation of heavy oil reservoir in Lukeqin area of Turpan Depression

doi:10.7623/syxb200606003

Editorial office of ACTA PETROLEI SINICA ›› 2006, Vol. 27 ›› Issue (6): 14-18.DOI: 10.7623/syxb200606003

• Petroleum Exploration • Previous Articles Next Articles

Special migration and accumulation of heavy oil reservoir in Lukeqin area of Turpan Depression

Li Wei¹, Liang Shijun², Jiang Junwei³, Fu Jiankui¹, Jiao Lixin²

1. PetroChina Exploration and Development Research Institute, Beijing 100083, China;
2. PetroChina Tuha Oilfield Company, Hami 839009, China;
3. China University of Geosciences, Beijing 100083, China

Received:2006-01-16 Revised:2006-06-05 Online:2006-11-25 Published:2010-05-21

吐鲁番坳陷鲁克沁稠油油藏形成及演化特征

李伟¹, 梁世君², 姜均伟³, 付建奎¹, 焦立新²

1. 中国石油勘探开发研究院北京 100083;
2. 中国石油吐哈油田分公司新疆哈密 839009;
3. 中国地质大学北京 100083

作者简介:李伟,男,1963年2月生,1987年毕业于江汉石油学院,2004年获成都理工大学博士学位,现为中国石油勘探开发研究院石油地质所高级工程师,主要从事石油与天然气地质综合研究.E-mail:lwe@petrochina.com.cn
基金资助:
中国石油天然气股份有限公司科技项目“中小盆地石油预探区带与目标评价”(01021-10)成果

Abstract

Abstract: Lukeqin heavy oil reservoir, located in the central part of Turpan Depression, is an unique heavy oil pool discovered in the Triassic strata up to now, and it is also a bigger petroleum accumulation area in scale in the Turpan-Hami Basin. This reservoir has complex and special oil-gas migration and accumulation regulation. The Late Indosinian movement resulted in the different ancient topography in the Late Triassic, Jurassic, Cretaceous and Teriary periods.The complex variations of the structure and some conditions for petroleum accumulation resulted in the unusual characteristics of petroleum migration and accumulation in Lukeqin heavy oil accumulation area. This area is high in east and low in west, which resulted in the main migration direction of heavy oil from east to west in the uplift area before.Both the two plates of thrust are the thick sandstone with high permeability, and these thrust block traps can accumulated heavy oil.The relationship between oil-saturation and porosity in different part of reservoir is different.The petrolic infusion position is in the mid-east part of the slanting-zone around the Well YD1 instead of in the lowest part of current structural zone.

Key words: Turpan Depression, Lukeqin tectonic zone, heavy oil reservoir, petroleum migration and accumulation, reservoir evolution

摘要： 鲁克沁稠油油藏位于吐哈盆地吐鲁番坳陷的中部,是目前在该盆地三叠系中发现的惟一稠油油藏,也是该盆地中规模较大的石油聚集区,具有复杂而独特的聚集规律。印支末期的构造运动使该构造带在印支末期前后的地势发生了显著变化。这种构造上的复杂变化与某些成藏条件的变化造成了鲁克沁稠油聚集带异常的稠油聚集特点。该稠油聚集带东高西低,说明稠油的运移曾出现过较大规模的自东向西的运聚。高孔隙度厚层砂岩中的断层能形成侧向封堵,并形成厚层断块稠油油藏。稠油聚集带不同部位储层的含油饱和度与孔隙度的关系存在较大差异,石油的注入位置不在现今构造带的最低部位,而在其倾斜构造带中东部的玉东1井区。

关键词: 吐鲁番坳陷, 鲁克沁构造带, 稠油油藏, 油气运移与聚集, 油藏演化特征

CLC Number:

P618.13

Li Wei, Liang Shijun, Jiang Junwei, Fu Jiankui, Jiao Lixin. Special migration and accumulation of heavy oil reservoir in Lukeqin area of Turpan Depression[J]. Editorial office of ACTA PETROLEI SINICA, 2006, 27(6): 14-18.

李伟, 梁世君, 姜均伟, 付建奎, 焦立新. 吐鲁番坳陷鲁克沁稠油油藏形成及演化特征[J]. 石油学报, 2006, 27(6): 14-18.

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Special migration and accumulation of heavy oil reservoir in Lukeqin area of Turpan Depression

吐鲁番坳陷鲁克沁稠油油藏形成及演化特征

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