X射线荧光元素录井在库车克深区块岩屑岩性识别中的应用

doi:10.3969/j.issn.1672-9803.2021.01.006

录井工程 ›› 2021, Vol. 32 ›› Issue (1): 26-32.doi: 10.3969/j.issn.1672-9803.2021.01.006

X射线荧光元素录井在库车克深区块岩屑岩性识别中的应用

胡书林^①, 王国瓦^②, 陈向辉^①, 胡伟^②, 王艳彬^①, 买振^②, 李建成^①, 曾杰^①

①中国石油西部钻探工程公司地质研究院;
②中国石油塔里木油田公司勘探开发研究院

收稿日期:2021-01-20 发布日期:2021-04-29
作者简介:胡书林高级工程师,1969年生,1992年毕业于新疆石油学院石油地质勘查专业,现在西部钻探地质研究院实验检测中心从事录井油气层解释评价工作。通信地址:834000 新疆克拉玛依市南新路2号。电话:(0990)6840409。E-mail:hushulin2009@cnpc.com.cn
基金资助:
中国石油天然气股份有限公司勘探工程技术攻关项目“复杂油气层录井解释评价方法研究”子课题“库车超深超高压裂缝性砂岩气藏录井评价技术攻关”(编号:Kt2017-14-08)

Application of XRF element logging in lithology identification of cuttings in Keshen block, Kuqa depression

HU Shulin^①, WANG Guowa^②, CHEN Xianghui^①, HU Wei^②, WANG Yanbin^①, MAI Zhen^②, LI Jiancheng^①, ZENG Jie^①

①CNPC XDEC Geological Research Institute(Karamay MudLogging Company), Karamay, Xinjiang 834000, China;
②Exploration and Development Research Institute of PetroChina Tarim Oilfield Company,Korla, Xinjiang 841000,China

Received:2021-01-20 Published:2021-04-29

摘要/Abstract

摘要： 为实现录井现场快速识别岩性,针对XRF录井分析的35种元素,选择库车克深区块17种元素开展敏感元素方差统计分析,确定9种敏感元素为Si、Fe、Al、Ca、Mn、Mg、Zr、Na、K;根据克深区块多口井岩心、岩屑元素分析,建立了基于单井单元素及元素比值的砂岩、砂泥过渡、泥岩的判别标准,并总结出岩屑岩性划分方法(图谱法、单元素及元素比值交会法、三维图板法),其样本数据回判符合率高,在多口井应用剖面符合率达83.5%,可有效解决粉末状岩屑的岩性定名难题。

关键词: 元素录井, 敏感元素, 岩屑, 岩性识别, 二维图板, 三维图板

Abstract: In order to quickly identify lithology in mud logging site, 17 elements in Keshen block were selected for variance statistical analysis of sensitive elements based on 35 elements analyzed in XRF logging, and 9 sensitive elements are determined as Si,Fe,Al,Ca,Mn,Mg,Zr,Na,K.According to the element analysis of cores and cuttings of multiple wells in Keshen block, the paper establishes the discriminant criteria of sandstone, sandstone and mudstone transition and mudstone based on single well single element and element ratio, and concludes that cuttings lithology division methods(spectrum method, single element and element ratio intersection method, 3D chart board method) have high coincidence rate of sample data judgment, and the profile coincidence rate reached 83.5% when applied in multiple wells, which can effectively solve the problem of lithology definition of powdered cuttings.

Key words: element logging, sensitive element, cuttings, lithology identification, 2D chart board, 3D chart board

中图分类号:

TE132.1

胡书林, 王国瓦, 陈向辉, 胡伟, 王艳彬, 买振, 李建成, 曾杰. X射线荧光元素录井在库车克深区块岩屑岩性识别中的应用[J]. 录井工程, 2021, 32(1): 26-32.

HU Shulin, WANG Guowa, CHEN Xianghui, HU Wei, WANG Yanbin, MAI Zhen, LI Jiancheng, ZENG Jie. Application of XRF element logging in lithology identification of cuttings in Keshen block, Kuqa depression[J]. Mud Logging Engineering, 2021, 32(1): 26-32.

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X射线荧光元素录井在库车克深区块岩屑岩性识别中的应用

Application of XRF element logging in lithology identification of cuttings in Keshen block, Kuqa depression

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