准噶尔盆地石西凸起风化型火山岩储层相态发育模式

张啸; 陈国军; 李俊飞; 张帆

doi:10.3969/j.issn.1006-6535.2023.03.006

特种油气藏 >

2023 , Vol. 30 >Issue 3: 47 - 55

DOI: https://doi.org/10.3969/j.issn.1006-6535.2023.03.006

地质勘探

准噶尔盆地石西凸起风化型火山岩储层相态发育模式

张啸 ,
陈国军 ,
李俊飞 ,
张帆

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中国石油新疆油田分公司,新疆乌鲁木齐 830013

张啸(1987—),男,高级工程师,2010年毕业于东北石油大学信息与计算科学专业,2013年毕业于该校地球探测与信息技术专业,获硕士学位,现主要从事石油地质工作。

收稿日期: 2022-09-09

修回日期: 2023-03-31

网络出版日期: 2023-07-13

基金资助

中国石油科技重大专项“准噶尔盆地南缘下组合重大勘探领域沉积体系与规模有效储层评价研究”(kt2020-04-03)

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Phase Development Pattern of Weathered Volcanic Reservoirs in Shixi High, Junggar Basin

Zhang Xiao ,
Chen Guojun ,
Li Junfei ,
Zhang Fan

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PetroChina Xinjiang Oilfield Company, Urumqi, Xinjiang 830013, China

Received date: 2022-09-09

Revised date: 2023-03-31

Online published: 2023-07-13

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摘要

针对风化型火山岩储层结构特征认识不清,缺乏有效的划分方法等问题。以准噶尔盆地石西凸起风化型火山岩为研究对象,结合岩石物理实验、FMI成像资料及测录井综合资料,自上而下建立和划分出风化型火山岩4种相态模式,分别为强风化黏土相、风化水解相、弱风化淋滤崩解相以及无风化母岩相。利用测井资料构建风化型火山岩储层综合指数、风化综合指数对风化型火山岩相态精细划分,明确弱风化淋滤崩解相为风化型火山岩优势相态。在准噶尔盆地石西凸起应用效果显著,为同类型火山岩储层相态研究提供参考。

关键词： 石西凸起; 风化型火山岩; 相态模式; 储层综合指数; 风化综合指数

本文引用格式

张啸 , 陈国军 , 李俊飞 , 张帆 . 准噶尔盆地石西凸起风化型火山岩储层相态发育模式[J]. 特种油气藏, 2023 , 30(3) : 47 -55 . DOI: 10.3969/j.issn.1006-6535.2023.03.006

Abstract

To address the problem of poorly understood structural characteristics of weathered volcanic reservoirs and lack of effective delineation methods, the four phase patterns of weathered volcanic rocks are established and classified from top to bottom, namely, strongly weathered clay phase, weathered hydrolysis phase, weakly weathered leaching and disintegration phase and unweathered parent rock phase, by taking weathered volcanic rocks in Shixi High, Junggar Basin as a study object and combining petrophysical experiments, FMI imaging data and comprehensive well logging and mud logging data. The weathered volcanic reservoir composite index and weathering composite index were constructed by using well logging data to finely classify the phases of weathered volcanic rocks, and the weakly weathered leaching and disintegration phase was clearly defined as the dominant phase of weathered volcanic rocks. The application in Shixi High, Junggar Basin is remarkable and provides a reference for the study of phases of the same type of volcanic reservoirs.

Key words： Shixi High; weathered volcanic rocks; phase pattern; reservoir composite index; weathering composite index

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