[1]黄芸,梁舒艺,任江玲,等.滴北凸起早石炭世复理石相发现及油气地质意义[J].新疆石油地质,2019,(04):422.[doi:10.7657/XJPG20190405]
 HUANG Yun,LIANG Shuyi,REN Jiangling,et al.Discovery of Flysch Facies and Its Oil-Gas Geology Implication of Early Carboniferous Strata in Dibei Swell, Junggar Basin[J].Xinjiang Petroleum Geology,2019,(04):422.[doi:10.7657/XJPG20190405]
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滴北凸起早石炭世复理石相发现及油气地质意义()
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《新疆石油地质》[ISSN:1001-3873/CN:65-1107/TE]

卷:
期数:
2019年04期
页码:
422
栏目:
出版日期:
2019-07-23

文章信息/Info

Title:
Discovery of Flysch Facies and Its Oil-Gas Geology Implication of Early Carboniferous Strata in Dibei Swell, Junggar Basin
文章编号:
1001-3873(2019)04-0422-08
作者:
黄芸1梁舒艺2任江玲3李艳平1谷新萍1伏小鹏1
(1.中国石油 新疆油田分公司 勘探开发研究院 地球物理研究所,乌鲁木齐 830013; 2.中国石油大学(华东) 地球科学与技术学院,山东 青岛 2665803.中国石油 新疆油田分公司 实验检测研究院,新疆 克拉玛依 834000
Author(s):
HUANG Yun1 LIANG Shuyi2 REN Jiangling3 LI Yanping1 GU Xinping1 FU Xiaopeng1
(1.Geophysics Institute, Research Institute of Exploration and Development, Xinjiang Oilfield Company, PetroChina, Urumqi, Xinjiang 830013, China; 2.School of Geosciences, China University of Petroleum, Qingdao, Shandong 266580, China; 3.Research Institute of Experiment and Detection, Xinjiang Oilfield Company, PetroChina, Karamay, Xinjiang 834000, China)
关键词:
准噶尔盆地滴北凸起早石炭世复理石建造烃源岩油气地质意义
Keywords:
Junggar basin Dibei swell Early Carboniferous flysch facies source rock oil-gas geological significance
分类号:
TE111.3;TE112.113
DOI:
10.7657/XJPG20190405
文献标志码:
A
摘要:
结合准噶尔盆地石炭系原型盆地研究成果,根据钻井、测井、地震、古生物和薄片分析资料,并与滴南凸起早石炭世海相沉积特征对比,明确早石炭世是卡拉麦里洋俯冲后的伸展时期,滴北凸起在洋盆关闭的残留海背景下,发育以泉5井为代表的厚层复理石建造并伴随海底火山间歇喷发,近千米厚的复理石建造中,鲍马序列E段的海相暗色泥岩与A段和B段的砂岩形成纵向上的源储互层结构。泉5井地化分析结果表明,复理石建造中的暗色泥岩规模发育且成熟度高,为较好—好烃源岩,该认识改变了前人“滴北凸起石炭系烃源岩成熟度低、无勘探潜力”的观点,丰富了克拉美丽气田已有的近源隆控成藏模式,提出滴北凸起下石炭统可探索源储一体致密砂岩气成藏模式的观点,对石炭系天然气勘探有现实意义。
Abstract:
Combining the related study of the Carboniferous prototype basin in Junggar basin, based on the analysis on the data of drilling, logging, seismic, fossil and thin section, and comparing with the characteristcs of the Early Carboniferous marine sediments in Dinan swell, the paper identifies that the Early Carboniferous was the extension period of the Kalamaili Ocean after its subduction. Under the background of the remain ocean after the closing of ocean basin, thick flysch formations which are typical in Well Quan-5 were developed and submarine volcano erupted intermittently. In the massive flysch formation with the thickness about 1 000 m, marine dark shale of the Bouma sequence E and sandstones of Bouma sequence A and B constituted the structures of source rocks interbedded with reservoirs vertically. The geochemical analysis results show that the dark shales are widely developed and has high maturity in the flysch formation and can be considered as relatively good-good source rocks. The understanding not only changes the previous opinion that the low-maturity Carboniferous source rocks in Dibei swell have no exploration potential, but expands the existing hydrocarbon accumulation pattern of near source rocks and controlled by uplifts in Kelameili gas field. A new gas accumulation pattern of source-reservoir integration in tight sandstones is proposed for the Lower Carboniferous strata in Dibei swell, which will be of practical significance for the natural gas exploration in the Carboniferous formation

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更新日期/Last Update: 2019-07-23