| 川中地区震旦系灯影组优质储层的形成条件研究 |
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| 引用本文： | 周正, 李大华, 张烨, 陈洪凯, 王兴志, 廖云平, 祁永爱, 王宝亮. 川中地区震旦系灯影组优质储层的形成条件研究[J]. 中国岩溶, 2023, 42(4): 853-862. doi: 10.11932/karst20230415 |
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| 作者姓名： | 周正 李大华 张烨 陈洪凯 王兴志 廖云平 祁永爱 王宝亮 |
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| 作者单位： | 1.页岩气勘探开发国家地方联合工程研究中心(重庆地质矿产研究院), 重庆 401120;;2.自然资源部页岩气资源勘查重点实验室(重庆地质矿产研究院), 重庆 401120;;3.重庆市教委山区公路水路地质灾害防治重点实验室, 重庆 400074;;4.重庆交通大学河海学院地质工程系, 重庆 400074;;5.枣庄学院城市与建筑工程学院, 山东 枣庄 277160;;6.西南石油大学国家油气勘探开发重点实验室,四川 成都 610500;;7.青海省有色地质第一勘查院, 青海 西宁 810006;;8.核工业西南勘察设计研究院有限公司, 四川 成都 610061 |
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| 基金项目： | 重庆市教委资助项目（KJQN202000748） |
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| 摘 要： | 为了弄清川中地区震旦系灯影组优质储层的形成条件，为该区油气的后期勘探和开发布署提供理论支持。以岩心观察、铸体薄片观察、地球化学测试资料、钻井资料和测井资料等生产测试资料为基础，对优质储层的形成条件进行综合分析，发现储集空间是由次生的孔、洞和缝组成，其中，沿藻纹层分布的溶孔、溶洞和溶缝是优质储层。研究表明优质储层是在沉积、成岩和构造共同作用下形成的，藻坪微相是基础，桐湾构造运动提供了必要的有利条件，表生岩溶作用是储层形成的关键。
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| 关 键 词： | 川中地区 震旦系 灯影组 优质储层 形成条件 |
| 收稿时间： | 2023-01-01 |
Study on formation conditions of high-quality reservoir of Sinian Dengying Formation in central Sichuan |
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| ZHOU Zheng, LI Dahua, ZHANG Ye, CHEN Hongkai, WANG Xingzhi, LIAO Yunping, QI Yongai, WANG Baoliang. Study on formation conditions of high-quality reservoir of Sinian Dengying Formation in central Sichuan[J]. Carsologica Sinica, 2023, 42(4): 853-862. doi: 10.11932/karst20230415 |
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| Authors: | ZHOU Zheng LI Dahua ZHANG Ye CHEN Hongkai WANG Xingzhi LIAO Yunping QI Yongai WANG Baoliang |
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| Affiliation: | 1. National and Local Joint Engineering Research Center of Shale Gas Exploration and Development (Chongqing Institute of Geology and Mineral Resources), Chongqing 401120, China;;2. Key Laboratory of Shale Gas Exploration, Ministry of Natural Resources (Chongqing Institute of Geology and Mineral Resources), Chongqing 401120, China;;3. Key Laboratory of Geological Hazards Mitigation on Mountain Highway and Waterway, Chongqing Municipal Education Commission, Chongqing 400074, China;;4. Department of Geotechnical and Geological Engineering, Hehai College, Chongqing Jiaotong University, Chongqing 400074, China;;5. College of City and Architectural Engineering, Zaozhuang University, Zaozhuang, Shandong 277160, China;;6. State Key Laboratory of Oil and Gas Geology and Exploration, Southwest Petroleum University, Chengdu, Sichuan 610500, China;;7. No. 1 Non-ferrous Geological Exploration Institute of Qinghai Province, Xining, Qinghai 810006, China;;8. Southwest Geotechnical & Design Institute of China Nuclear Industry, Chengdu, Sichuan 610061, China |
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| Abstract: | Central Sichuan is located at the eastern high point of the Leshan-Longnvsi ancient uplift axis. With a large amount of oil and gas resources, the Sinian Dengying Formation has a good exploration prospect. Since 2011 when CNPC deployed Well GS1 to explore Dengying Formation in the study area and then succeeded in discovering the oil and gas reservoirs, many scholars have done much research in this area and achieved a lot. But their opinions are similar only in terms of the understanding of lithology. In fact, multiple tectonic movements, the variable diagenetic environment and complex diagenesis of the Dengying Formation make it difficult for scholars to study the formation conditions of high-quality reservoirs in the Dengying Formation of the study area, which has resulted in a great controversy about the formation conditions of high-quality reservoirs. Therefore, taking the existing drilling cores and field profiles in central Sichuan and its adjacent areas as the main research objects, we studied the formation conditions of high-quality reservoirs in this paper, based on previous research as well as the testing data such as data from surveying wells and logging, and geochemical and physical properties. |
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| Keywords: | central Sichuan Sinian Dengying Formation high-quality reservoir forming conditions |
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