[1]杨智,付金华,刘新社,等.苏里格气田上古生界连续型致密气形成过程[J].深圳大学学报理工版,2016,33(3):221-233.[doi:10.3724/SP.J.1249.2016.03221]
 Yang Zhi,Fu Jinhua,Liu Xinshe,et al.Formation process of upper paleozoic continuous tight sandstone gas reservoir in the Sulige gas field[J].Journal of Shenzhen University Science and Engineering,2016,33(3):221-233.[doi:10.3724/SP.J.1249.2016.03221]
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苏里格气田上古生界连续型致密气形成过程()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第33卷
期数:
2016年第3期
页码:
221-233
栏目:
环境与能源
出版日期:
2016-05-20

文章信息/Info

Title:
Formation process of upper paleozoic continuous tight sandstone gas reservoir in the Sulige gas field
文章编号:
201603001
作者:
杨智1付金华2刘新社2吴松涛1林森虎1王岚1王怀厂2
1) 中国石油勘探开发研究院,北京 100083
2)中国石油长庆油田勘探开发研究院,陕西西安 710021
Author(s):
Yang Zhi1 Fu Jinhua2 Liu Xinshe2 Wu Songtao1 Lin Senhu1 Wang Lan1 and Wang Huaichang2
1) Research Institute of Petroleum Exploration & Development, PetroChina, Beijing 100083, P.R.China
2) Research Institute of Exploration and Development, PetroChina Changqing Oilfield Company, Xi’an 710021, Shaanxi Province, P.R.China
关键词:
致密砂岩气致密储层生气强度非常规油气同位素煤成气苏里格气田
Keywords:
tight sandstone gas tight reservoir gas generation intensity unconventional continuous gas isotope coal measures generated gas sulige gas field
分类号:
TE 311
DOI:
10.3724/SP.J.1249.2016.03221
文献标志码:
A
摘要:
苏里格气田上古生界致密砂岩储层叠置连片分布、多层位普遍含气,是典型的连续型致密砂岩大气区.利用生排烃物理模拟、数值模拟、岩矿观察、流体包裹体和碳氧同位素等手段,共同约束验证,综合分析相关成藏要素,探索恢复盆地大面积致密砂岩气形成的动态过程.研究发现,苏里格气田具有稳定平缓构造面貌(晚侏罗世至今,苏里格地区古构造坡降速一般为3~6 m/km)、高成熟煤系源岩广布式生排烃气和大面积致密砂岩储层叠置分布的成藏地质背景(生气强度大于1 600 kg/m2、砂体厚度大于15 m的源储接触面积可达2.35×104 km2,占苏里格气田面积的78%);在晚侏罗世至早白垩世早期,苏里格气田具有规模充注和连续聚集的成藏特征;早白垩世晚期以后,其成藏特征缓慢调整,最终形成大面积连续型致密砂岩大气区.成岩成藏耦合关系和源储共生紧密接触,共同决定了苏里格气田近源连续聚集的成藏模式.近生气中心区的致密储集砂体是天然气勘探开发的有利区.
Abstract:
Sulige gas field in Ordos basin, north-central China, is a typical large unconventional continuous tight gas reservoir characterized by continuous distribution of super-imposed gas layers with rich gas in large dimensions. This paper introduces an integrated analysis approach to study the formation process of target gas reservoir by combining several analytic measures, i.e., generation-expulsion physical simulation, numerical basin modeling, micro-photographic observation, fluid inclusion test, and carbon-oxygen isotopic etc. The dynamic formation process of this large-scale gas reservoir is discussed. It is found that Sugli gas field has such reservoir formation characteristics as stable and gentle paleo-tectonic slope from late Jurassic to the present, as well as highly maturated coal measures with generally large hydrocarbon gas generation intensity (more than 1 600 kg/m2), and large-scale closely contacted tight sandstones with over 15 meters in thickness and area of 2.35×104 km2 (about 78% of the whole Sulige zone). The gas was charged and accumulated continuously and massively in tight reservoirs from late Jurassic to early Early-Cretaceous, and the large gas reservoir was finally formed after reconstruction after early Late-Cretaceous. This paper concludes two elements to determine the present distribution and accumulation of Sulige natural gas i.e. the coupled relationship between reservoir diagenesis and gas accumulation process, and the close contact between the gas generation source and tight sandstone reserves. The regions close to the center of gas generation could be the potential favorable areas for exploration and development of natural gas.

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备注/Memo

备注/Memo:
Received:2015-05-31;Accepted:2015-09-29
Foundation:National Basic Research Program of China(2014CB239000); National Science and Technology Major Special Project of China(2016ZX05046)
Corresponding author:Senior engineer Yang Zhi. E-mail: yangzhi2009@petrochina.com.cn
Citation: Yang Zhi, Fu Jinhua, Liu Xinshe, et al. Formation process of upper paleozoic continuous tight sandstone gas reservoir in the Sulige gas field[J]. Journal of Shenzhen University Science and Engineering, 2016, 33(3): 221-233.(in Chinese)
基金项目:国家重点基础研究发展计划资助项目(2014CB239000);国家科技重大专项基金资助项目(2016ZX05046)
作者简介:杨智(1980—),男,中国石油勘探开发研究院高级工程师、博士.研究方向:非常规油气地质和常规油气风险勘探.E-mail: yangzhi2009@petrochina.com.cn
引文:杨智,付金华,刘新社,等. 苏里格气田上古生界连续型致密砂岩气形成过程研究[J]. 深圳大学学报理工版,2016,33(3):221-233.
更新日期/Last Update: 2016-05-08