哈萨克斯坦南图尔盖盆地油气地质特征及勘探潜力分析

doi:10.3969/j.issn.1673-8926.2007.03.009

岩性油气藏 ›› 2007, Vol. 19 ›› Issue (3): 48–53.doi: 10.3969/j.issn.1673-8926.2007.03.009

哈萨克斯坦南图尔盖盆地油气地质特征及勘探潜力分析

孔祥宇,殷进垠,张发强

中国石化石油勘探开发研究院,北京　100083

出版日期:2007-09-15 发布日期:2007-09-15
第一作者:孔祥宇,女,工程师,现从事海外油气勘探综合研究与评价工作。电话:(010)82312040。E-mail:kxy2003@pepris.com

Oil-gas geological features and its exploration potential in South Turgay Basin , Kazakhstan

KONG Xiangyu,YIN Jinyin,ZHANG Faqiang

Exploration & Production Research Institute , Sinopec , Beijing 100083 , China

Online:2007-09-15 Published:2007-09-15

摘要/Abstract

摘要：

南图尔盖盆地是哈萨克斯坦中南部重要的含油气盆地,为中生代裂谷盆地,具有垒堑相间结构,南部阿尔斯库姆坳陷是盆地的沉积中心和主要的生烃灶,自西向东由4 个北西—南东向展布的地堑组成,已发现的十余个油田均位于地堑间的次级隆起与斜坡部位。盆地主要沉积侏罗系—白垩系地层,由下至上发育了几个大型的区域不整合。直接覆盖在前侏罗系变形基底之上的是下、中侏罗统泥岩为主的生油层系,上侏罗统河道砂体及下白垩统一套广泛发育的席状砂是主要储层,其上一套稳定的湖泊相页岩成为区域盖层,生储盖配置关系合理。该盆地虽然经历了20 多年的勘探历程,大规模的优质储量大部分已被发现,但仍具勘探潜力,除构造圈闭外,斜坡部位的地层岩性圈闭和基底裂缝型风化壳都是未来的勘探方向。

关键词: 天然气, 岩性地层气藏, 分布特点, 勘探前景, 中国

Abstract:

South Turgay Basin is an important oil-bearing basin in central south Kazakhstan, which is a rift basin of Mesozoic. The struct ure character is grabens separating horsts. Aryskum Trough in the south is the main depression and oil kitchen , including four NW-SE direction grabens from west to east. The oil fields found are located in the arches and slopes. The main genetic unit is Jurassic-Cretaceous series , and several regional unconformities exist through the sediments. Lower-Middle Jurassic mudstones are mainly source rocks, the principal reservoirs are the clastics of the Middle-Upper Jurassic and the Lower Cretaceous Formation, and early Cretaceous mudstone is regional seal. Although during more than 20 years exploration course, most large-size reserves have been found , there are many exploration potential fields. Except for the structure traps, the stratigraphic traps of Jurassic-Cretaceous Formations at the graben flanks and the basement weathered crust of Paleozoic are the future exploration directions.

Key words: natural gas, lithostratigraphic gas reservoirs, distribution features, exploration prospect, China

孔祥宇,殷进垠,张发强. 哈萨克斯坦南图尔盖盆地油气地质特征及勘探潜力分析[J]. 岩性油气藏, 2007, 19(3): 48–53.

KONG Xiangyu,YIN Jinyin,ZHANG Faqiang. Oil-gas geological features and its exploration potential in South Turgay Basin , Kazakhstan[J]. Lithologic Reservoirs, 2007, 19(3): 48–53.

参考文献

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[ 5 ] Kuandykov B M ,Nazhmetdinov A Sh ,Sapozhnikov R B. St ructure of the deeply subsided sediments of t he Aryskum Depression of the South Turgay Sub-basin based on seismic stratigraphic data[J ] . Pet roleum Geology ,1993 ,27 (728) :262-266.
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哈萨克斯坦南图尔盖盆地油气地质特征及勘探潜力分析

Oil-gas geological features and its exploration potential in South Turgay Basin , Kazakhstan

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