全直径油气储层岩心三维可视化信息采集方法及应用前景

张守鹏; 方正伟; 杨诗棣; 麦文; 张铜耀

doi:10.11781/sysydz201705706

全直径油气储层岩心三维可视化信息采集方法及应用前景

doi: 10.11781/sysydz201705706

1.
中国石化胜利油田分公司勘探开发研究院, 山东东营 257015
2. 东营三英精密仪器研发中心, 山东东营 257000
3. 中国海洋石油能源发展股份有限公司工程技术分公司, 天津 300451

基金项目: 国家重大专项（2017ZX05049004）、中国石化股份有限公司科研计划项目（P15081）和国家能源页岩油研发中心、页岩油气富集机理与有效开发国家重点实验室联合资助。

详细信息

作者简介:
张守鹏(1963—),男,博士,教授级高级工程师,从事油气实验地质工作.E-mail:zhangshoupeng_ff@163.com.

中图分类号: TE122.2
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- 被引次数: 0
出版历程
- 收稿日期: 2017-02-06
- 修回日期: 2017-07-20
- 刊出日期: 2017-09-28

Technique and application of three-dimensional visualized information collection of full diameter oil and gas reservoir cores

1.
Research Institute of Exploration and Development of SINOPEC Shengli Oilfield Company, Dongying, Shandong 257015, China
2. Dongying Sanying Precision Instrument Development Center, Dongying, Shandong 257000, China
3. Engineering Branch, CNOOC Energy Development Co., Ltd., Tianjin 300451, China

摘要

摘要: 在微米X-CT基础上，通过对X射线强度的调整和扫描方式的更新，建立了Geoscan系列，并相应将样品室改装成了平放式加长扫描区，实现了对全直径岩心进行三维扫描成像。测试结果显示，以往难以描述的岩心断面构造、层理结构、非均态构型、孔—缝展布等全直径三维参数信息均能得到清晰的三维图像，有效拓宽了地学领域微观分析的视野。通过对石油钻井岩心全直径扫描，可以实现在一个较为宽泛的深度段内，观察分析不同矿物组分的含量变化、油气运移轨迹以及缝隙的延展性等重要参数信息，通过对储层物性参数数字化处理的图像可直接反映油气聚集的有效性及储集空间展布规律。这项技术将通过提供储集岩孔—渗架构三维可视化网格图和给予的储层品质定性结论来指导优化油区勘探部署。
- 全直径岩心 /
- 三维 /
- 可视化 /
- 成像原理 /
- 信息采集 /
- X-CT扫描
Abstract: Geoscan series was established by means of X-ray intensity adjustment and scanning way update based on the micro X-ray computed tomography (CT). Sample room was converted to a flat type to extend scanning area, which realized the 3D scanning imaging of full diameter cores. Test results showed that the 3D parameters of full diameter, including core section structure, bedding structure, heterogeneous configuration and hole-seam distribution, could be used to get clear 3D images, which was difficult to describe in the past. Through the full diameter scanning of drilling cores, we analyzed the mineral content, hydrocarbon migration pathway and aperture ductility in a more extensive depth. The digital processing images of reservoir property parameters can reflect the effectiveness of hydrocarbon accumulation and the reservoir distribution rules. This technology provides a 3D visual image for the porosity and permeability of reservoir rocks and a qualitative evaluation of reservoir quality, which may optimize hydrocarbon explorations.
- full diameter core /
- three dimensional /
- visualization /
- imaging principle /
- information collection /
- X-CT scanning

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