地面阵列式微地震监测关键技术研究

doi:10.3969/j.issn.1673-8926.2017.01.013

岩性油气藏 ›› 2017, Vol. 29 ›› Issue (1): 104–109.doi: 10.3969/j.issn.1673-8926.2017.01.013

地面阵列式微地震监测关键技术研究

刁瑞^1,2, 吴国忱¹, 崔庆辉², 尚新民², 芮拥军²

1. 中国石油大学(华东)地球科学与技术学院, 山东青岛 266555;
2. 中国石化胜利油田分公司物探研究院, 山东东营 257022

收稿日期:2016-07-25 修回日期:2016-09-18 出版日期:2017-01-21 发布日期:2017-01-21
作者简介:刁瑞(1985-),男,中国石油大学(华东)在读博士研究生,研究方向为地震资料处理方法和微地震监测技术。地址:(257022)山东省东营市东营区北一路210号物探研究院西部处理室。Email:diaorui1985@163.com。
基金资助:
国家高技术研究发展计划（863计划）项目“陆上非一致性时延地震、微地震油藏监测方法研究”（编号:2011AA060303）资助

Key techniques for surface array microseismic monitoring

DIAO Rui^1,2, WU Guochen¹, CUI Qinghui², SHANG Xinmin², RUI Yongjun²

1. School of Geosciences, China University of Petroleum, Qingdao 266555, Shandong, China;
2. Geophysical Research Institute, Shengli Oilfield Company, Sinopec, Dongying 257022, Shandong, China

Received:2016-07-25 Revised:2016-09-18 Online:2017-01-21 Published:2017-01-21

摘要/Abstract

摘要： 微地震监测技术通过对储层压裂改造引发的震源点进行成像，可实现压裂过程监控和井网布局优化等。相对井中微地震监测而言，地面微地震监测数据具有信号能量弱、噪音干扰强及事件定位困难等特点，严重制约着微地震事件定位精度和监测结果的可靠性。针对地面微地震数据特征，利用微地震数据联合去噪、能量聚焦精确定位和压裂裂缝联合解释等关键技术，考虑不同噪音特征进行噪音压制，基于能量聚焦叠加原理确保微地震事件定位精度，并采用多类信息联合解释提高裂缝预测的可靠性，从而为储层压裂改造提供依据。在实际地面微地震监测应用中，监测结果与压裂井油藏开发数据吻合程度较高，证实了联合解释等关键技术的有效性和实用性。地面阵列式微地震监测技术在致密油气藏储层压裂改造中具有广阔的应用前景。

关键词: 凝灰岩, 脱玻化, 储层特征, 形成条件, 致密油, 条湖组, 马朗凹陷

Abstract: Based on shot points imaging of reservoir hydraulic fracturing, the microseismic monitoring technology can be used for hydraulic fracturing monitoring and well network layout optimization. The signal of surface microseismic monitoring is weaker than borehole, and the noise is widely distributed, which leads to locating errors and interpretation uncertainty. According to the characteristics of surface microseismic data, key techniques can be used to provide a basis of reservoir hydraulic fracturing. The microseismic joint denoising technique is used for noise attenuation, the energy focusing location technique can be used to improve the location precision, and the fracture integrated interpretation technique is conducive to improve the certainty of fracture prediction. In field application of microseismic monitoring, monitoring results are identical with reservoir development data of hydraulic fracturing wells, which confirms the validity and practicability of these key techniques. The surface array microseismic monitoring techniques have broad application prospects in tight reservoir exploration and development.

Key words: tuff, devitrification, reservoir characteristics, formation conditions, tight oil, Tiaohu Formation, Malang Depression

中图分类号:

P631.4

刁瑞, 吴国忱, 崔庆辉, 尚新民, 芮拥军. 地面阵列式微地震监测关键技术研究[J]. 岩性油气藏, 2017, 29(1): 104–109.

DIAO Rui, WU Guochen, CUI Qinghui, SHANG Xinmin, RUI Yongjun. Key techniques for surface array microseismic monitoring[J]. Lithologic Reservoirs, 2017, 29(1): 104–109.

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地面阵列式微地震监测关键技术研究

Key techniques for surface array microseismic monitoring

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