三维远场声波成像在碳酸盐岩井旁反射体识别中的应用

doi:10.11885/j.issn.1674-5086.2024.05.22.01

西南石油大学学报(自然科学版) ›› 2025, Vol. 47 ›› Issue (5): 13-23.DOI: 10.11885/j.issn.1674-5086.2024.05.22.01

三维远场声波成像在碳酸盐岩井旁反射体识别中的应用

赵艾琳¹, 程路¹, 唐玉林², 吴煜宇¹, 黄宏³

1. 中国石油西南油气田公司勘探开发研究院, 四川成都 610041;
2. 中国石油西南油气田公司, 四川成都 610051;
3. 中国石油集团测井有限公司西南分公司, 重庆渝北 400021

收稿日期:2024-05-22 发布日期:2025-11-04
通讯作者: 程路，E-mail:chenglu1905@petrochina.com.cn
作者简介:赵艾琳，1986年生，女，汉族，四川成都人，高级工程师，硕士，主要从事测井评价研究工作。E-mail:zhaoailin@petrochina.com.cn
程路，1995年生，男，汉族，四川广元人，工程师，博士，主要从事测井资料综合处理解释、声波远探测方法研究及资料处理解释工作。E-mail: chenglu19-05@petrochina.com.cn
唐玉林，1967年生，男，汉族，四川成都人，髙级工程师，主要从事油气勘探等方面的工作。E-mail:tangyulin@petrochina.com.cn
吴煜宇，1988年生，男，汉族，湖北仙桃人，高级工程师，主要从事测井资料处理解释、方法研究及测井新技术推广应用等方面研究。E-mail: wuyuyu01@petrochina.com.cn
黄宏，1973年生，男，汉族，重庆人，高级工程师，主要从事测井解释评价等方面的工作。E-mail:hhuang_cj@cnpc.com.cn

Application of 3D Far-field Sonic Service in the Identification of Carbonate Reservoir Borehole-side Reflector

ZHAO Ailin¹, CHENG Lu¹, TANG Yulin², WU Yuyu¹, HUANG Hong³

1. Research Institute of Exploration and Development, Southwest Oil and Gas Field Company, PetroChina, Chengdu, Sichuan 610041, China;
2. Southwest Oil and Gas Field Company, PetroChina, Chengdu, Sichuan 610051, China;
3. Southwest Branch, China National Logging Corporation, PetroChina, Yubei, Chongqing 400021, China

Received:2024-05-22 Published:2025-11-04

摘要/Abstract

摘要： 四川盆地二叠系茅口组碳酸盐岩储层具有很强的非均质性，其储集空间以裂缝和孔洞为主，常规测井方法和传统的偶极横波声波远探测受探测深度不足、分辨率低和方位测量存在180?不确定性等缺点的限制。为了实现对井旁构造的精细刻画，基于Sonic Scanner测井仪的三维远场声波成像测井技术在井下同时采集全方位单极子和偶极子波场数据，在保证探测深度的前提下，通过结合单极子和偶极子数据处理结果获得井旁构造高分辨率探测结果，利用3D-STC和射线追踪技术得到井旁构造真实方位和倾角，克服了传统声波远探测技术的局限性。将三维远场声波成像测井技术应用于川中茅口组水平井开发，现场应用效果表明，该技术在川中茅口组碳酸盐岩储层中可对井筒周围60 m范围内裂缝和地层界面进行有效评价，为茅口组增储上产提供了有力的技术保障。

关键词: 三维远场声波远探测, 井旁地质体识别, 茅口组, 碳酸盐岩储层, 水平井

Abstract: The carbonate reservoir of Permian Maokou Formation in the Sichuan Basin has strong heterogeneity, and its reservoir space is mainly cracks and holes. It is difficult to evaluate the fractures and caves near the borehole by conventional logging methods due to the limitation of detection depth. The conventional dipole acoustic reflection imaging can evaluate the fractures and caves in the range of several meters to tens of meters around the borehole to a certain extent, but it has the disadvantages of low resolution and 180° ambiguity in azimuth measurement. The 3D Far-field sonic service based on Sonic Scanner can simultaneously record multi-azimuth monopole and dipole wave field data. By combining the processing results of monopole and dipole data, the high-resolution detection results of the borehole-side structure can be obtained and the remote detection depth can be realized at the same time. The true azimuth and dip of the well-side structure can be obtained by using ray tracing and 3D STC technology, which overcomes the limitations of traditional acoustic remote detection technology. This paper introduces the 3D Far-field sonic service technology and the field application case of a horizontal well in Maokou Formation in central Sichuan Basin. The field application results show that the technology can effectively evaluate the fractures and formation interfaces within 60 m near the borehole in the carbonate reservoir of Maokou Formation in central Sichuan Basin, which provides a strong technical guarantee for the increase of reserves and production in Maokou Formation.

Key words: 3D Far-field acoustic reflection imaging, borehole-side geological reflector identification, Maokou Formation, carbonate reservoir, horizontal well

中图分类号:

TE121

赵艾琳, 程路, 唐玉林, 吴煜宇, 黄宏. 三维远场声波成像在碳酸盐岩井旁反射体识别中的应用[J]. 西南石油大学学报(自然科学版), 2025, 47(5): 13-23.

ZHAO Ailin, CHENG Lu, TANG Yulin, WU Yuyu, HUANG Hong. Application of 3D Far-field Sonic Service in the Identification of Carbonate Reservoir Borehole-side Reflector[J]. Journal of Southwest Petroleum University(Science & Technology Edition), 2025, 47(5): 13-23.

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三维远场声波成像在碳酸盐岩井旁反射体识别中的应用

Application of 3D Far-field Sonic Service in the Identification of Carbonate Reservoir Borehole-side Reflector

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