Application study of improving the precision of the ant-tracking-based fracture prediction technique

XIE Qing-Hui; JIANG Li-Wei; ZHAO Chun-Duan; WANG Zhong-Da; TANG Xie-Hua; LUO Yu-Feng

doi:10.11720/wtyht.2021.1208

2021 Vol. 45, No. 5

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XIE Qing-Hui, JIANG Li-Wei, ZHAO Chun-Duan, WANG Zhong-Da, TANG Xie-Hua, LUO Yu-Feng. 2021. Application study of improving the precision of the ant-tracking-based fracture prediction technique. Geophysical and Geochemical Exploration, 45(5): 1295-1302. doi: 10.11720/wtyht.2021.1208

Citation:

XIE Qing-Hui, JIANG Li-Wei, ZHAO Chun-Duan, WANG Zhong-Da, TANG Xie-Hua, LUO Yu-Feng. 2021. Application study of improving the precision of the ant-tracking-based fracture prediction technique. Geophysical and Geochemical Exploration, 45(5): 1295-1302. doi: 10.11720/wtyht.2021.1208

Application study of improving the precision of the ant-tracking-based fracture prediction technique

1. Schlumberger China,Beijing 100015,China;
2. PetroChina Zhejiang Oilfield,Hangzhou 310023, China

Received Date: 26 April 2021

Revised Date: 20 October 2021

Publish Date: 15 December 2021

Abstract

Abstract

The YS1 area in Sichuan basin has undergone multiple stages of tectonic evolution.The faults are characterized by multiple stages and multiple strikes,and serious mud losses occurred in the drilled well.It is difficult to finely characterize fracture and analyze structural development when the conventional seismic interpretation method is used.In this study,according to the actual situation,ant tracking technology was used to predict fractures,whose accuracy was improved by noise reduction,continuity enhancement,fault boundaries height,and fake structures elimination.The process is as follows:firstly,the input seismic data volume is pre-processed by structure-oriented filtering and discontinuity detection,then the ant tracking parameter settings are optimized,and finally the ant tracking under the occurrence control is performed.The data can not only be used to assist fault interpretation but also provide a data basis for subsequent fault development analysis and horizontal well location deployment.
- ant tracking /
- fracture prediction /
- structure-oriented filtering /
- discontinuity detection /
- attitude-controlling

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References

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