珠江口盆地礁灰岩储层特征精细表征

doi:10.11885/j.issn.1674-5086.2019.12.18.01

西南石油大学学报(自然科学版) ›› 2021, Vol. 43 ›› Issue (2): 23-35.DOI: 10.11885/j.issn.1674-5086.2019.12.18.01

珠江口盆地礁灰岩储层特征精细表征

谢日彬^1,2, 李海涛¹, 杨勇², 刘远志², 曲长伟³

1. 油气藏地质及开发工程国家重点实验室·西南石油大学, 四川成都 610500;
2. 中海石油(中国)有限公司深圳分公司, 深圳南山 518000;
3. 斯伦贝谢中国公司, 北京朝阳 100015

收稿日期:2019-12-18 出版日期:2021-04-10 发布日期:2021-04-23
通讯作者: 谢日彬,E-mail:ribin_xie@cnooc.com.cn
作者简介:谢日彬,1979年生,男,汉族,黑龙江大庆人,高级工程师,主要从事采油技术研究与油田管理工作。E-mail:ribin_xie@cnooc.com.cn
李海涛,1965年生,男,汉族,湖北仙桃人,教授,博士生导师,主要从事油气开采方向的教学与科研工作。E-mail:lihaitao@swpu.edu.cn
杨勇,1983年生,男,汉族,湖北襄阳人,工程师,主要从事油气田开发方面的研究工作。E-mail:yangyong7@cnooc.com.cn
刘远志,1987年生,男,汉族,山东临沂人,工程师,主要从事油气田调整井及测试方面的研究工作。E-mail:liuyzh4@cnooc.com.cn
曲长伟,1990年生,男,汉族,山东聊城人,工程师,主要从事测井解释及地质研究工作。E-mail:cqu2@slb.com
基金资助:
中海石油（中国）有限公司综合科研课题（YXKY-2015-SZ-01）

Fine Characterization of Reef Limestone Reservoirs in Pearl River Mouth Basin, South China Sea

XIE Ribin^1,2, LI Haitao¹, YANG Yong², LIU Yuanzhi², QU Changwei³

1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, China;
2. CNOOC China Limited, Shenzhen Branch, Nanshan, Shenzhen 518000, China;
3. Schlumberger China, Chaoyang, Beijing 100015, China

Received:2019-12-18 Online:2021-04-10 Published:2021-04-23

摘要/Abstract

摘要： 珠江口盆地L油田礁灰岩储层中裂缝及溶孔发育，储层非均质性强，给储层评价及油田生产带来了极大困难。随钻电阻率成像测井能够提供高分辨率电阻率图像，能够准确把握储层沉积和构造特征。将随钻高分辨率电阻率成像测井引入对礁灰岩岩石类型判别、裂缝精细评价、次生溶蚀综合分析及产能主控因素研究中。结果表明，高分辨电阻率成像技术能够准确分辨礁灰岩储层的岩石类型，精确评价储层裂缝类型及裂缝特征，并对次生溶蚀进行了定性及定量精细分析。最后综合所有电阻率成像解释成果探讨了礁灰岩储层产能的主控因素，相关评价结果与油田的生产和控水技术的作业认识吻合。随钻高分辨率电阻率成像的综合分析应用，既能够达到储层精细表征的目的，又为L油田调整井控水设计提供了强有力的依据，并对同类油藏储层精细描述具有较大的推广价值。

关键词: 礁灰岩, 随钻成像测井, 储层特征, 精细表征, 珠江口盆地

Abstract: The reef limestone reservoir of L Oilfield is characterized by strong heterogeneity with the development of fractures and dissolution pores, which brought out big challenge for reservoir evaluation and production. Logging while drilling (LWD) image logging can provide resistivity images with high resolution, which can give decision-makers an in-depth understanding on the sedimentary and structural characteristics of reservoirs. The high-resolution resistivity image is utilized for the first time to identify reef limestone category, evaluate fracture, analyze secondary dissolution porosity and investigate productivity controlling factors. The results show that rock types of reef limestone can be distinguished accurately by high-resolution resistivity image data. Moreover, fracture types and characteristics can be evaluated precisely by LWD image. Furthermore, qualitive and quantitative analysis of dissolution pores are carried out based on LWD image logging. In addition, the main control factors of reef limestone reservoir productivity are discussed based on all the interpretation results. All related evaluation results are consistent with the operation output of oilfield production and water control technology. The comprehensive analysis of highresolution resistivity imaging not only achieve the objective of fine characterization of reef limestone reservoir, but also provide a strong reference for the design of reef limestone reservoir completion plan and give decision-makers a specific interpretation model for similar oil/gas field.

Key words: reef limestone, LWD borehole image log, reservoir characteristics, detailed characterization, Pearl River Mouth Basin

中图分类号:

TE122

谢日彬, 李海涛, 杨勇, 刘远志, 曲长伟. 珠江口盆地礁灰岩储层特征精细表征[J]. 西南石油大学学报(自然科学版), 2021, 43(2): 23-35.

XIE Ribin, LI Haitao, YANG Yong, LIU Yuanzhi, QU Changwei. Fine Characterization of Reef Limestone Reservoirs in Pearl River Mouth Basin, South China Sea[J]. Journal of Southwest Petroleum University(Science & Technology Edition), 2021, 43(2): 23-35.

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珠江口盆地礁灰岩储层特征精细表征

Fine Characterization of Reef Limestone Reservoirs in Pearl River Mouth Basin, South China Sea

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