| 苏北盆地古潜山岩溶储层形成机制探讨 |
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| 引用本文： | 李亚辉, 段宏亮, 邱旭明, 王红伟. 苏北盆地古潜山岩溶储层形成机制探讨[J]. 石油实验地质, 2011, 33(5): 495-498. doi: 10.11781/sysydz201105495 |
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| 作者姓名： | 李亚辉 段宏亮 邱旭明 王红伟 |
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| 作者单位： | 中国石油化工股份有限公司江苏油田分公司 无锡石油地质研究所, 江苏 扬州, 225009 |
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| 基金项目： | 江苏省自然科学基金项目(BK2008584); 中国石化海相前瞻性研究项目(YPH08091)资助 |
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| 摘 要： | 利用岩心观察、薄片鉴定、碳氧同位素分析等手段,从基岩性质和中新生代沉积与构造背景的差异性、岩溶储层缝洞系统的形成时间等方面,分析了苏北盆地兴化古潜山XG1井与XC1井岩溶储层发育差异的原因,探讨了古潜山岩溶储层的形成机制。认为岩溶面出露的岩石类型与结构和印支—中燕山期古风化岩溶地貌是控制本区岩溶储层发育的主要因素,也是导致XG1井与XC1井岩溶储层发育差异的主要原因;三垛期末强烈的翘倾运动在改变古潜山面岩溶格局的同时,引起地下流体活跃,加剧了XC1井处岩溶强度,有利于次生溶蚀孔隙的发育,但却对古潜山油气藏保存不利。古潜山油气勘探应以中新生代凹陷的边界断层(如真武断层)被动盘、低凸起之间的鞍部、斜坡带下的下古生界结晶白云岩古潜山(或断块山)为主。
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| 关 键 词： | 岩溶储层 碳酸盐岩 古潜山 苏北盆地 |
| 收稿时间： | 2010-11-17 |
| 修稿时间： | 2011-08-30 |
Formation mechanism of karst reservoir in buried hill,North Jiangsu Basin |
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| Li Yahui, Duan Hongliang, Qiu Xuming, Wang Hongwei. Formation mechanism of karst reservoir in buried hill, North Jiangsu Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2011, 33(5): 495-498. doi: 10.11781/sysydz201105495 |
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| Authors: | Li Yahui Duan Hongliang Qiu Xuming Wang Hongwei |
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| Affiliation: | Jiangsu Oil field Branch Company, SINOPEC, Yangzhou, Jiangsu 225449, China |
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| Abstract: | By means of core observation,thin-section identification as well as carbon and oxygen isotope analysis,the reason for the differences of karst reservoir generation between well XG1 and well XC1 in buried hill of Xinghua city of the North Jiangsu Basin has been studied,and the formation mechanism of karst reservoir in buried hill has been concluded.The rock fabric exposed on karst surface and the karst landform during Indosinian and the middle Yanshanian are the main controlling factors for karst reservoir g... |
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| Keywords: | karst reservoir carbonate rock buried hill North Jiangsu Basin |
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