| 摘要: |
| 利用薄片、岩石元素全分析、扫描电镜等多种分析测试手段,结合测井资料分析,开展准西北缘哈拉阿拉特山(哈山)造山带火山岩发育背景、岩性组合、储层成因及控制因素研究。结果表明:研究区上石炭统火山岩形成于陆缘岛弧及大洋岛弧背景,发育火山角砾岩、凝灰岩、玄武岩、安山岩及流纹岩组合;主要储集空间类型为构造裂缝及溶蚀孔缝;岩性岩相是成储基础,成岩作用控制了储层演化,构造演化是火山岩成储的主控因素和关键;在推覆体前翼、构造转折端和多期次断层交汇处的凝灰岩、火山角砾岩发育区以及受长期风化淋滤作用改造的火山角砾岩及火山熔岩发育带,为火山岩储层有利发育区。 |
| 关键词: 哈拉阿拉特山 山前构造带 火山岩 储层 石炭系 构造演化 |
| DOI：10.3969/j.issn.1673-5005.2015.02.003 |
| 分类号::TE 122.2 |
| 基金项目:中国石化股份公司重点科技攻关项目(P12035);胜利油田分公司博士后科研课题(YKB1206) |
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| Characteristics and controlling factors of volcanic reservoirs of Hala 'alate mountains tectonic belt |
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ZHANG Kuihua1,2, LIN Huixi1,2, ZHANG Guanlong2, XU Wenguo2
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(1.College of Geosciences in China University of Petroleum, Qingdao 266580, China;2.Research Institute of New District in West China in Shengli Oilfield Company, SINOPEC, Dongying 257000, China)
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| Abstract: |
| Based on multiple measurement methods such as slices, rock element analysis and scanning electron microscope, combined with logging data analysis, the formation geological background, lithological association, reservoir genesis and controlling factors of volcanic rock in Hala 'alate tectonic belt in northwest margin of Junggar Basin were studied. The results show that the volcanic rock of Upper Carboniferous in this region was formed under the background of epicontinental arc and oceanic island arc, and which are composed of volcanic breccia, tuff, basalt, andesite and rhyolite. The main types of the volcanic reservoir space are tectonic fissures, solution pores and fissures. In the course of reservoir formation, lithology and lithofacies are the basis, diagenesis controls reservoir evolution, tectonic evolution is main controlling factor.The development zones of tuff and volcanic breccia in the frontal wing and transition of nappes, multi-phases faults convergence belt and the development zones of volcanic breccia and volcanic lava reconstructed by long period weathering-leaching processes are the favorable areas of volcanic rock reservoir in Hala 'alate tectonic belt. |
| Key words: Hala 'alate mountains sub-mountain tectonic belt volcanic rock reservoir Carboniferous tectonic evolution |
