A review of the application of data-driven technology in shale gas production evaluation

Niu, Wente; Lu, Jialiang; Sun, Yang; Liu, Hualin; Xu, Chunming; Zhan, Hongming; Zhang, Jianzhong

doi:10.1016/j.egyr.2023.06.026

Cited by 5 publications

(4 citation statements)

References 98 publications

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“…The development of energy-efficient and resource-saving technologies for treating shale gas hydraulic fracturing flowback fluid is crucial for reducing carbon emissions (Niu et al, 2023). Flowback fluid treatment technologies, while reducing the total emissions of pollutants, can achieve energy savings and reduced consumption through the following three measures.…”

Section: Developing Energy-efficient and Emission-reduction Treatment...mentioning

confidence: 99%

Treatment technology of shale gas fracturing flowback fluid: a mini review

Zhao

2023

Front. Energy Res.

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Shale gas fracturing flowback fluid, characterized by its large volume, complex composition, and potential adverse environmental impacts, has gradually become one of the problems affecting the large-scale development of shale gas resources. Failure to effectively address the treatment of fracturing flowback fluid will severely constrain shale gas development. This paper focuses on the treatment technologies for shale gas fracturing flowback fluid, discussing its water quality characteristics and summarizing the research progress in physical technology, chemical technology, biological technology, and combined technology. Development recommendations are also provided. The results show that shale gas fracturing flowback fluid exhibits characteristics such as complex composition, high viscosity, and high emulsification, and difficult to treat. Individual physical technology, chemical technology, or biological technology is effective in removing certain pollutants from the flowback fluid. Moreover, the combined use of these treatment technologies prove more effective in achieving reuse or discharge standards. With the continuous expansion of shale gas development and increasingly stringent environmental protection requirements worldwide, the volume of flowback fluid requiring treatment is continuously rising. By developing energy-efficient and emission-reduction treatment technologies, and actively recycling and utilizing resources and energy, and adopting clean fracturing fluid system, efficient, energy-saving, environmentally friendly, and economically viable treatment for shale gas fracturing flowback fluid can be achieved.

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Section: Developing Energy-efficient and Emission-reduction Treatment...mentioning

confidence: 99%

Treatment technology of shale gas fracturing flowback fluid: a mini review

Zhao

2023

Front. Energy Res.

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“…As natural gas generates the least carbon emissions among the fossil energies, it may play an increasingly significant role during the carbon neutrality process. Especially for the coalbed methane, shale gas resource due to its huge reserves, high calorific value and low carbon emission intensity [1][2][3]. However, owing to the low porosity and permeability of the reservoir and the short effective percolation distance, it is necessary to use the horizontal well volumetric fracturing technology to produce a large induced fracture network, known as stimulated reservoir volume [4][5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Study on the Influence of Perforating Parameters on the Flow Rate and Stress Distribution of Multi-Fracture Competitive Propagation

Zhao,

Wang

et al. 2024

Processes

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It is of great significance to investigate the flow rate and stress distribution of multi-fracture propagation for the optimization of perforation parameters and fracture parameters. Considering the coupling of rock deformation, fracture direction and fluid flow in multi-fracture scenarios, a mathematical model and solution program for the flow and stress distribution of multiple fractures are established, and the analytical model is used for comparison and verification. The effects of perforation cluster number, cluster spacing, perforation diameter on fracture extension trajectory, fracture width, flow rate of each fracture and stress field are studied by the model. The results show that, as the number of perforating clusters increases, the inner fracture is inhibited more severely with less width, length and flow distribution, as well as lower bottom hole pressure. With the increase in cluster spacing, the stress interference between whole fractures is weakened and the flow distribution of the inner fracture is increased with lower bottom hole pressure. With the decrease in perforation diameter, the inhibition effect of inside fractures is weakened, while the inhibition effect of outside fractures, the flow distribution of inside fractures and the bottom hole pressure are increased. The uniform propagation of multiple fractures can be promoted by decreasing the perforation clusters’ number and perforation diameter or increasing fracture spacing.

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“…According to the evaluation results of the Energy Information Administration (EIA), the worldwide recoverable shale gas resources constitute approximately 206.68 × 10 12 m 3 , which have great potential for exploitation [2]. And as a low-carbon energy and clean source, increasing the use of shale gas contributes to reducing greenhouse gas emissions and air pollution [3,4]. However, due to the low permeability and porosity of shale reservoirs, the recovery of shale gas remains challenging [5,6].…”

Section: Introductionmentioning

confidence: 99%

Multi-Fracture Propagation Considering Perforation Erosion with Respect to Multi-Stage Fracturing in Shale Reservoirs

Tan,

Xie,

et al. 2024

Energies

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Shale gas is considered a crucial global energy source. Hydraulic fracturing with multiple fractures in horizontal wells has been a crucial method for stimulating shale gas. During multi-stage fracturing, the fracture propagation is non-uniform, and fractures cannot be induced in some clusters due to the influence of stress shadow. To improve the multi-fracture propagation performance, technologies such as limited-entry fracturing are employed. However, perforation erosion limits the effect of the application of these technologies. In this paper, a two-dimensional numerical model that considers perforation erosion is established based on the finite element method. Then, the multi-fracture propagation, taking into account the impact of perforation erosion, is studied under different parameters. The results suggest that perforation erosion leads to a reduction in the perforation friction and exacerbates the uneven propagation of the fractures. The effects of erosion on multi-fracture propagation are heightened with a small perforation diameter and perforation number. However, reducing the perforation number and perforation diameter remains an effective method for promoting uniform fracture propagation. As the cluster spacing is increased, the effects of erosion on multi-fracture propagation are aggravated because of the weakened stress shadow effect. Furthermore, for a given volume of fracturing fluid, although a higher injection rate is associated with a shorter injection time, the effects of erosion on the multi-fracture propagation are more severe at a high injection rate.

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A review of the application of data-driven technology in shale gas production evaluation

Cited by 5 publications

References 98 publications

Treatment technology of shale gas fracturing flowback fluid: a mini review

Treatment technology of shale gas fracturing flowback fluid: a mini review

Study on the Influence of Perforating Parameters on the Flow Rate and Stress Distribution of Multi-Fracture Competitive Propagation

Multi-Fracture Propagation Considering Perforation Erosion with Respect to Multi-Stage Fracturing in Shale Reservoirs

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