Multi-scale intelligent fusion and dynamic validation for high-resolution seismic data processing in drilling

IF 8 Q1 ENERGY & FUELS
Sanyi YUAN , Yanwu XU , Renjun XIE , Shuai CHEN , Junliang YUAN
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引用次数: 0

Abstract

During drilling operations, the low resolution of seismic data often limit the accurate characterization of small-scale geological bodies near the borehole and ahead of the drill bit. This study investigates high-resolution seismic data processing technologies and methods tailored for drilling scenarios. The high-resolution processing of seismic data is divided into three stages: pre-drilling processing, post-drilling correction, and while-drilling updating. By integrating seismic data from different stages, spatial ranges, and frequencies, together with information from drilled wells and while-drilling data, and applying artificial intelligence modeling techniques, a progressive high-resolution processing technology of seismic data based on multi-source information fusion is developed, which performs simple and efficient seismic information updates during drilling. Case studies show that, with the gradual integration of multi-source information, the resolution and accuracy of seismic data are significantly improved, and thin-bed weak reflections are more clearly imaged. The updated seismic information while-drilling demonstrates high value in predicting geological bodies ahead of the drill bit. Validation using logging, mud logging, and drilling engineering data ensures the fidelity of the processing results of high-resolution seismic data. This provides clearer and more accurate stratigraphic information for drilling operations, enhancing both drilling safety and efficiency.
钻井高分辨率地震数据处理的多尺度智能融合与动态验证
在钻井作业中,地震数据的低分辨率往往限制了对井眼附近和钻头前方小型地质体的准确描述。本研究探讨了适合钻井场景的高分辨率地震数据处理技术和方法。地震资料的高分辨率处理分为钻前处理、钻后校正和钻中更新三个阶段。通过将不同阶段、不同空间范围、不同频率的地震数据与钻井和钻中数据相结合,应用人工智能建模技术,开发了一种基于多源信息融合的渐进式高分辨率地震数据处理技术,实现了简单高效的钻井过程中地震信息更新。实例研究表明,随着多源信息的逐步整合,地震资料的分辨率和精度显著提高,薄层弱反射成像更加清晰。随钻更新的地震信息对超前预测地质体具有较高的应用价值。利用测井、录井和钻井工程数据进行验证,确保了高分辨率地震数据处理结果的保真度。这为钻井作业提供了更清晰、更准确的地层信息,提高了钻井安全性和效率。
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CiteScore
11.50
自引率
0.00%
发文量
473
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