Application of multifracture horizontal well stimulation in tight geological reservoir

Li Li; Hewen Ruan; Guanghui Du; Lu Yang; Huimin Zheng; Changkun Li

doi:10.1117/12.3035541

10 July 2024 Application of multifracture horizontal well stimulation in tight geological reservoir

Li Li, Hewen Ruan, Guanghui Du, Lu Yang, Huimin Zheng, Changkun Li

Proceedings Volume 13223, Fifth International Conference on Geology, Mapping, and Remote Sensing (ICGMRS 2024); 132230N (2024) https://doi.org/10.1117/12.3035541
Event: 2024 5th International Conference on Geology, Mapping and Remote Sensing (ICGMRS 2024), 2024, Wuhan, China

Abstract

The fractures produced by hydraulic fracturing will close to a certain extent under the action of formation stress, which will significantly affect the testing and productivity prediction of tight reservoirs. It is necessary to build an accurate model considering the fracture closure to predict the production characteristic of tight reservoirs. In this study, we propose a method to predict the productivity of staged fractured horizontal wells considering fracture closure. To address the research objectives, In most cases, there are many methods to solve the model, such as Stehfest numerical calculation, Pederosa algorithm, etc., which can realize the analysis and application of the model from different angles. These methods facilitate the analysis of the closing pressure's impact on fracture conductivity and the evaluation of fracture parameters' influence on well productivity. The results show that in the actual production process, the value of hydraulic fracturing parameters is not very high, but has a reasonable value range. Among the measures to increase the production of tight reservoirs, the most important ones are the preparation of fracturing method and fracturing design. One of the most important indicators to affect the fracturing effect is the fracture pressure in the fracturing system and the fitting curve of closed fracturing. If the fracture closure pressure increases, the fracture conductivity decreases more obviously. The key parameters of artificial fractures, especially the conductivity, will be a critical point. Of course, it is necessary to fully improve reservoir productivity and optimize various parameters of fractures.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Li Li, Hewen Ruan, Guanghui Du, Lu Yang, Huimin Zheng, and Changkun Li "Application of multifracture horizontal well stimulation in tight geological reservoir", Proc. SPIE 13223, Fifth International Conference on Geology, Mapping, and Remote Sensing (ICGMRS 2024), 132230N (10 July 2024); https://doi.org/10.1117/12.3035541

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KEYWORDS

Permeability

Elastic modulus

Lithium

Analytical research

Systems modeling

Nozzles

Porosity

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