Research on 3D geological modeling method of complex geological body and application of geological engineering combined fracturing

Ying Du

doi:10.1117/12.2668088

23 February 2023 Research on 3D geological modeling method of complex geological body and application of geological engineering combined fracturing

Ying Du

Author Affiliations +

Proceedings Volume 12551, Fourth International Conference on Geoscience and Remote Sensing Mapping (GRSM 2022); 1255122 (2023) https://doi.org/10.1117/12.2668088
Event: Fourth International Conference on Geoscience and Remote Sensing Mapping (GRSM 2022), 2022, Changchun, China

Abstract

The Shahezi formation in Xujiaweizi fault depression is one of the key strata for exploration in Songliao Basin, which is characterized by various sedimentary types, strong reservoir heterogeneity, complex geological conditions and difficult benefit development, the conventional two-dimensional method is difficult to realize the fine and efficient utilization of this kind of reservoir. In order to fully tap the deep natural gas resources, based on Petrel software, on the basis of structural modeling, select the main factors that affect the reservoir in the area and use sequential Gauss simulation method to build a 3D geological model of the high-quality reservoir with shale content and reservoir convergence, in this paper, the authors describe the geological characteristics of frequent interbeds and complex lithology of sand and mud in the target zone and establish a multi-parameter mechanical model by using the GPA software and the data of geology, earthquake, logging and laboratory rock mechanics and physics experiments, based on the above geological model and stress model, the fracture propagation pattern is simulated, and the fracture parameters of each layer are optimized to realize the optimization of reconstruction scale and cost control. The well A in Xujiaweizi fault depression is designed by using 3D geological modeling method of complex geological body. The field application shows that the 3D geological modeling method of complex geological body has important guidance and reference significance for reservoir fine characterization, fracturing optimization and post-reconstruction of complex geological body.

Citation Download Citation

Ying Du "Research on 3D geological modeling method of complex geological body and application of geological engineering combined fracturing", Proc. SPIE 12551, Fourth International Conference on Geoscience and Remote Sensing Mapping (GRSM 2022), 1255122 (23 February 2023); https://doi.org/10.1117/12.2668088

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KEYWORDS

3D modeling

Data modeling

Modeling

Engineering

Sand

Design and modelling

Mathematical optimization

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