滇黔北坳陷灯影组岩溶地层测井响应特征

doi:10.3969/j.issn.1672-9803.2022.04.019

录井工程 ›› 2022, Vol. 33 ›› Issue (4): 112-117.doi: 10.3969/j.issn.1672-9803.2022.04.019

滇黔北坳陷灯影组岩溶地层测井响应特征

艾笛^①, 姚亚彬^②, 芮昀^②, 魏宝军^③, 郭宁^①, 丁邦春^④

①中国石油测井有限公司地质研究院;
②中国石油浙江油田公司勘探开发一体化中心;
③中国石油测井有限公司长庆分公司;
④中国石油测井有限公司西南分公司

收稿日期:2022-07-01 出版日期:2022-12-25 发布日期:2023-01-11
作者简介:艾笛助理工程师,1993年生, 2019年硕士毕业于长江大学矿物学、岩石学、矿床学专业,现在中国石油测井有限公司地质研究院从事测井储层综合评价研究工作。通信地址：710000 陕西省西安市高新技术开发区锦业二路丈八五路50号。电话：15271935992。E-mail：1325785858@qq.com
基金资助:
国家科技重大专项“大型油气田及煤层气开发”（编号：2017ZX05063）; 中国石油集团测井有限公司项目“昭通-长宁区块页岩储层纵横向甜点测井综合评价”（编号：CPL2021-B05）

Logging response characteristics of karst strata Dengying Formation in Dianqianbei depression

AI Di^①, YAO Yabin^①, RUI Yun^②, WEI Baojun^③, GUO Ning^①, DING Bangchun^④

①Geological Research Institute, China National Logging Corporation, Xi'an, Shaanxi 710077,China;
②Exploration and Development Integration Center of PetroChina Zhejiang Oilfield Company,Hangzhou, Zhejiang 310023, China;
③Changqing Branch, China National Logging Corporation,Xi'an, Shaanxi 710200, China;
④Southwest Branch, National Logging Corporation,Chongqing 400021,China

Received:2022-07-01 Online:2022-12-25 Published:2023-01-11

摘要/Abstract

摘要： 溶蚀孔洞是滇黔北坳陷灯影组碳酸盐岩的主要储集空间,为了研究碳酸盐岩的岩溶发育规律及测井响应特征,综合利用岩心、薄片、常规测井和电成像资料分析了区内岩溶的地质特征和测井响应特征,在此基础上自上而下将岩溶层划分为垂直渗流岩溶带和水平潜流岩溶带,并对其分布规律进行了研究。结果表明,滇黔北坳陷岩溶发育受古地貌影响大,岩溶坡地岩溶发育程度高,其中溶缝、溶洞、溶孔发育,可作为有效储集空间,进而通过在横向上与川中高石梯-磨溪地区加以对比,揭示了该区岩溶地层勘探潜力,为精细评价该区储层奠定了基础,对下一步油气勘探决策具有良好的指导意义。

关键词: 碳酸盐岩, 岩溶, 地层特征, 测井响应, 滇黔北坳陷, 灯影组

Abstract: Dissolution pores and cavities are the main reservoir space of the carbonate rocks of Dengying Formation in Dianqianbei depression. In order to study the karst development law and logging response characteristics of carbonate rocks, the geological characteristics and logging response characteristics of the karst in the area are comprehensively analyzed by using core, thin section, conventional logging and electrical imaging logging data, and then the karst sections in the study area are divided, in descending order, into vertical infiltration karst zone and horizontal subsurface flow karst zone, and their distribution law are studied. The results show that the karst development in the Dianqianbei depression is greatly influenced by the paleokarst geomorphology, and the karst slope zone has a high degree of karst development, in which fractures, dissolution caves, and pores are developed to be used as effective reservoir space. The horizontal comparison with Gaoshiti-Moxi area in central Sichuan reveals the exploration potential of karst strata in this area. It has laid a foundation for the fine evaluation of reservoirs in this area and has good guiding significance for the next decision-making of oil and gas exploration.

Key words: carbonate rock, karst, formation characteristics, logging response, Dianqianbei depression, Dengying Formation

中图分类号:

TE132.1

艾笛, 姚亚彬, 芮昀, 魏宝军, 郭宁, 丁邦春. 滇黔北坳陷灯影组岩溶地层测井响应特征[J]. 录井工程, 2022, 33(4): 112-117.

AI Di, YAO Yabin, RUI Yun, WEI Baojun, GUO Ning, DING Bangchun. Logging response characteristics of karst strata Dengying Formation in Dianqianbei depression[J]. Mud Logging Engineering, 2022, 33(4): 112-117.

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滇黔北坳陷灯影组岩溶地层测井响应特征

Logging response characteristics of karst strata Dengying Formation in Dianqianbei depression

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