华北S区碳酸盐岩气藏型储气库储渗特征

丁云宏, 张倩, 石磊, 孙军昌, 蒋帅

科技导报 ›› 2014, Vol. 32 ›› Issue (25) : 51-54.

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PDF(2277 KB)
科技导报 ›› 2014, Vol. 32 ›› Issue (25) : 51-54. DOI: 10.3981/j.issn.1000-7857.2014.25.008
研究论文

华北S区碳酸盐岩气藏型储气库储渗特征

作者信息 -
1. 中国石油勘探开发研究院廊坊分院, 廊坊 065007;
2. 中国科学院渗流流体力学研究所, 廊坊 065007;
3. 中国石油天然气集团公司油气地下储库工程重点实验室, 廊坊 065007
作者简介:
丁云宏,教授级高级工程师,研究方向为油气藏增产改造技术,电子信箱:dyhong@petrochina.com.cn

Characteristics of Underground Gas Storage Built on Carbonate Gas Reservoir in S Region, North China

Author information -
1. Langfang Branch of Research Institute of Petroleum Exploration and Development, Langfang 065007, China;
2. Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, Langfang 065007, China;
3. Key Laboratory of Oil & Gas Underground Storage, CNPC, Langfang 065007, China

摘要

华北S 区气藏为裂缝性碳酸盐岩超深底水凝析气藏,储层发育特征及建库渗流机理极为复杂,导致建库库容参数评价难度较大。通过对比分析毛细管压力曲线与核磁共振T2谱分布的相关性,研究了碳酸盐储集空间孔喉发育特征;基于非稳态法多轮次气水相对渗率测试曲线,分析了碳酸盐微裂缝储层气水两相渗流特征。研究结果表明,华北S 区碳酸盐储层微裂缝发育、孔喉细小且分布集中,不同层位气相渗流特征差异较大,影响了碳酸盐气藏型储气库运行效率,是建库方案制定及注采运行优化首先应考虑的因素。

Abstract

The carbonate condensate gas reservoir in North China features great burial depth and medium water invasion. It possesses complex development characteristics and percolation mechanism, leading to difficulties in parameter optimization of the storage capacity. The characteristics of the pore throat structure in the carbonate reservoir were studied based on the comparative analysis of capillary pressure curve and T2 spectrum in nuclear magnetic resonance. The gas-water two-phase percolation law in the micro-crack carbonate reservoir was analyzed by studying the gas-water two-phase relative permeability curve using non-steady state method. The results show that the carbonate condensate gas reservoir in North China has developed micro-fracture, narrow pore throat and concentrated distribution, the gas seepage characteristics vary in different layers, and all the factors have great influence on the construction and injection-production operation efficiency of gas storage. The characteristic evaluation provides theoretical basis for planning for construction and injection-production optimization.

关键词

碳酸盐岩 / 气藏 / 储气库 / 孔喉结构

Key words

carbonate rock / gas reservoir / underground gas storage / pore throat structure

引用本文

导出引用
丁云宏, 张倩, 石磊, 孙军昌, 蒋帅. 华北S区碳酸盐岩气藏型储气库储渗特征[J]. 科技导报, 2014, 32(25): 51-54 https://doi.org/10.3981/j.issn.1000-7857.2014.25.008
DING Yunhong, ZHANG Qian, SHI Lei, SUN Junchang, JIANG Shuai. Characteristics of Underground Gas Storage Built on Carbonate Gas Reservoir in S Region, North China[J]. Science & Technology Review, 2014, 32(25): 51-54 https://doi.org/10.3981/j.issn.1000-7857.2014.25.008
中图分类号: TE312   

参考文献

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基金

中国石油股份公司重大科技项目(2012B-3309)
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