海拉尔盆地乌南次凹南屯组有效储集层形成条件

新疆石油地质 ›› 2011, Vol. 32 ›› Issue (5): 461-463.

海拉尔盆地乌南次凹南屯组有效储集层形成条件

鲍园^1a,1b, 罗群², 韦重韬^1a,1b, 王超勇^1a,1b, 邹明俊^1a,1b

1.中国矿业大学a.资源与地球科学学院;b.煤层气资源与成藏过程教育部重点实验室,江苏徐州 221008;
2.中国石油大学盆地与油藏研究中心,北京 102200

收稿日期:2011-01-27 出版日期:2011-10-01 发布日期:2020-08-19
作者简介:鲍园（1983-）,男,江苏徐州人,在读博士研究生,油气地质,（Tel）18796218313（E-mail）baoyuan8384@163.com.

Forming Conditions of Effective Reservoir of Nantun Formation in Wunan Sub-Sag of Hailaer Basin

BAO Yuan^1a,1b, LUO Qun², WEI Chong-tao^1a,1b, WANG Chao-yong^1a,1b, ZOU Ming-jun^1a,1b

1. China University of Mining and Technology, a. School of Resources and Geosciences, b. MOE Key Laboratory of CBM Resource and Reservoir-Generating Process, Xuzhou, Jiangsu 221008, China;
2. Research Center of Basin and Reservoir, China University of Petroleum, Beijing 102200, China

Received:2011-01-27 Online:2011-10-01 Published:2020-08-19

摘要/Abstract

摘要： 对研究区南屯组有效储集层特征及其控制因素进行了研究。乌南次凹南屯组有效储集层以正常陆源碎屑岩为主,含较少凝灰质沉积岩类;南屯组有效储集层发育层段与次生孔隙发育层段具良好的对应关系,而南屯组储集层次生孔隙发育程度受众多因素影响,不整合面风化淋滤作用和有机酸溶蚀作用是控制有效储集层次生孔隙发育的主要因素,高结构成熟度的颗粒支撑作用是控制有效储集层原生孔隙发育的主要因素;自生黏土矿物包壳使弱压实作用对有效储集层未产生明显的不利影响;三角洲前缘沉积相带控制南屯组有效储集层的分布。

关键词: 海拉尔盆地, 乌南次凹, 南屯组, 有效储集层, 控制因素, 深层次生孔隙

Abstract: The results from laboratory study and comprehensive analysis show that the effective reservoir of Nantun formation in Wunan sub-sag of Hailaer basin is dominated by normal terrigenous clastic reservoir with some tuff sedimentary rocks. The developed sections and secondary porosity developed sections in this reservoir are of good corresponding relations. The development of secondary porosity is affected by many factors, for example, the weathering leaching on unconformity and organic acid dissolution are main control factors for the secondary porosity; the particle propping effect of high structural maturity is major control factors for the primary porosity; weak compaction and authigenic clay mineral shell are also favorable effects on the formation of effective reservoir, and the sedimentary facies of delta front controls the distribution of the Nantun effective reservoir.

Key words: Hailaer basin, Wunan sub-sag, Nantun formation, effective reservoir, controlling factor, deep secondary porosity

中图分类号:

TE112.221

鲍园, 罗群, 韦重韬, 王超勇, 邹明俊. 海拉尔盆地乌南次凹南屯组有效储集层形成条件[J]. 新疆石油地质, 2011, 32(5): 461-463.

BAO Yuan, LUO Qun, WEI Chong-tao, WANG Chao-yong, ZOU Ming-jun. Forming Conditions of Effective Reservoir of Nantun Formation in Wunan Sub-Sag of Hailaer Basin[J]. Xinjiang Petroleum Geology, 2011, 32(5): 461-463.

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