川中蓬莱地区须家河组须二段储层成岩相与优质储集层预测

吉林大学学报(地球科学版)

川中蓬莱地区须家河组须二段储层成岩相与优质储集层预测

赖锦¹，王贵文^1,2，陈阳阳³，黄龙兴⁴，张莉莉⁴，王迪¹，孙艳慧¹，李梅¹

1．中国石油大学（北京）地球科学学院，北京102249;
2．中国石油大学（北京）油气资源与探测国家重点实验室，北京102249;
3．中石油测井有限公司塔里木事业部，新疆库尔勒841000;
4．中石油测井有限公司国际事业部，北京102206

收稿日期:2013-11-15 出版日期:2014-03-26 发布日期:2014-03-26
作者简介:赖锦(1988-)，男，博士研究生，主要从事沉积学、储层地质学与测井地质学研究，E-mail:sisylaijin@163.com
基金资助:
国家大型油气田及煤层气开发科技重大专项（2011ZX05020-008）

Diagenetic Facies and Prediction of High Quality Reservoir of Member 2 of Xujiahe Formation in Penglai Area, Central Sichuan Basin

Lai Jin¹, Wang Guiwen^1,2, Chen Yangyang³, Huang Longxing⁴, Zhang Lili⁴, Wang Di¹, Sun Yanhui¹, Li Mei¹

1.College of Geosciences, China University of Petroleum, Beijing102249，China;
2.State Key Laboratory of Petroleum Resource and Prospecting, China University of Petroleum, Beijing102249，China;
3.Tarim Department,China Petroleum Logging Co. Ltd, Korla841000, Xinjiang，China;
4.International Department,China Petroleum Logging Co. Ltd, Beijing102206，China

Received:2013-11-15 Online:2014-03-26 Published:2014-03-26

摘要/Abstract

摘要：

通过岩心观察并综合利用普通薄片、铸体薄片和扫描电镜分析等资料，对须二段储层岩石学特征、物性及孔隙结构特征、成岩作用、成岩矿物、成岩环境、所处成岩阶段和成岩演化序列等进行了研究。结果表明，须二段储层经历压实压溶、胶结、溶蚀和破裂等成岩作用，现今处于中成岩A 期。根据成岩作用类型和强度、成岩矿物及其对储层物性的影响划分出3种成岩相：强压实自生矿物胶结相、强压实不稳定组分溶蚀相和破碎裂缝相。选取了对成岩相较敏感的声波时差、电阻率、自然伽马、密度和中子5条常规测井曲线和成像测井资料，通过岩心资料刻度测井建立了各成岩相的测井识别标准，将成岩相进行剖面展开和平面成图。再根据有利成岩相的平面展布规律，对蓬莱地区须二段优质储层发育带进行了预测,认为平面上的斜坡中部为主要的优质储集层发育区。

关键词: 成岩相, 川中蓬莱地区, 须二段, 测井识别方法, 优质储集层

Abstract:

In order to find out distribution zones of high-quality reservoirs in Penglai area, based normal thin sections, casting thin sections, scanning electron microscope analysis data and core data, the reservoirs have been worked on lithological characteristics, reservoir property and pore structure, diagenesis, diagenetic minerals, diagenetic environment, diagenetic stage and diagenetic evolution sequence in Member 2 of Xujiahe Formation. The results show that the reservoirs have experienced diagenesis such as compaction, cementation, corrosion, and fracture, it is now in the stage A of middle diagenetic stage. Three types of diagenetic facies are divided based on diagenesis, diagenetic minerals and their effect on the reservoir quality, these facies include high compactionauthentic minerals cementation facies, high compactioncorrosion of unstable components facies, and tectonic fracture facies. According to various well logging response characteristics, five normal logging curves and imaging logging data which are sensitive to the diagenetic facies are chosen to characterize diagenetic facies, which include compensated neutron logging(CNL), density logging(DEN), acoustic slowness(AC), natural gamma ray(GR), resistivity log(R_t) and EMI, different types of diagenetic facies has various response characteristics on various logging curve and their combination, and the vertical and plane distribution of diagenetic facies can be figured out with well logging data. The favorable diagenetic facies are used to optimize favorable regions of oil and gas bearing zones. The high quality reservoir distributed in the middle part of the slope on the plane surface.

Key words: diagenetic facies, Penglai area in central Sichuan basin, Member 2 of Upper Triassic Xujiahe Formation, logging recognition methods, high quality reservoirs

中图分类号:

P618.3

赖锦，王贵文，陈阳阳，黄龙兴，张莉莉，王迪，孙艳慧，李梅. 川中蓬莱地区须家河组须二段储层成岩相与优质储集层预测[J]. 吉林大学学报(地球科学版), 2014, 44(2): 432-445.

Lai Jin, Wang Guiwen, Chen Yangyang, Huang Longxing, Zhang Lili, Wang Di, Sun Yanhui, Li Mei. Diagenetic Facies and Prediction of High Quality Reservoir of Member 2 of Xujiahe Formation in Penglai Area, Central Sichuan Basin[J]. Journal of Jilin University(Earth Science Edition), 2014, 44(2): 432-445.

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