How does institutional support affect the coalbed methane industry?

Wang, Jie; Chong-huai, Niu

doi:10.3389/fenrg.2022.1087984

Cited by 2 publications

(2 citation statements)

References 26 publications

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“…The further study of this paper aims to explore the impact of investment on electricity price, including the investment scale and structure, and consider the real-time electricity price in the demand response, rather than just peak and valley prices. In addition, the system dynamics method used in this article can also be applied to the risk assessment, efficiency assessment (Hu et al, 2021;Hu et al, 2022), and energy subsidy policy research on industrial systems (Wei and Niu, 2023).…”

Section: Discussionmentioning

confidence: 99%

Process simulation on the planning of wind-PV storage for near-zero carbon emission

2023

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The proposal of the dual carbon policy has put forward new requirements for the planning of wind power photovoltaic energy storage, which should not only meet economic requirements but also consider the timeliness of carbon reduction. Particularly, in recent years, there has been a contradiction between energy waste and power shortage in some regions of China, which needs to be resolved through reasonable planning of the capacity of multi energy systems. Based on the aforementioned background, this paper uses system dynamics simulation to analyze the efforts that should be made to maintain a stable energy balance between wind–solar power generation output and energy storage capacity when considering the cost of the power side and the demand response level of the load side. We assume a development plan for wind and solar energy, and optimize the allocation of energy storage capacity under these conditions to meet the balance requirements of carbon reduction and investment cost reduction. We use system dynamics simulation to simulate the energy storage demand under the demand response. In order to achieve the near-zero carbon goal, this paper discusses the reasonable state of a power energy structure based on different carbon emission reduction goals. Finally, we discovered the relationship between investment costs and carbon reduction targets as increasing carbon reduction targets will greatly increase investment costs and provide some suggestions for planning.

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Section: Discussionmentioning

confidence: 99%

Process simulation on the planning of wind-PV storage for near-zero carbon emission

2023

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“…Coalbed methane (CBM) is a promising alternative to conventional oil and gas resources due to its clean and efficient characteristics [1][2][3]. However, low-porosity and low-permeability coal reservoirs pose a significant challenge to achieving high CBM production [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

Numerical Simulation Study on the Evolution Law of Stress and Crack in Coal Seam Hydraulic Fracturing

Yang

Zhang

2023

Sustainability

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Hydraulic fracturing as a conventional reservoir permeability enhancement technique can effectively increase the production of coalbed methane, and it is important to study the stress and crack evolution law to evaluate the effect of coalbed fracturing and optimize the construction process. To accurately derive the evolution characteristics of stress and the propagation form of cracks during hydraulic fracturing of coal seams, a numerical model of hydraulic fracturing was established based on a three-point bending test of coal samples using the finite-discrete element method (FDEM). Based on a coal seam in a mining area in southwest China, a hydraulic fracturing model was established, and the reliability of the numerical model was verified by comparing the numerical simulation with the analytical expression. The model was used to study the evolution of stress and cracks with time during hydraulic fracturing, and the influence of elastic modulus and permeability on the evolution of stress and cracks was investigated. The results show that stress and cracks in the process of hydraulic fracturing belong to a mutual feeding mechanism during evolution, and the effective permeability range of fracturing is an ellipse with the crack as the long axis enclosed by the effective stress field. The greater the elastic modulus of the coal seam, the greater the crack initiation pressure and the shorter the crack initiation time, and a coal seam with a high elastic modulus is more likely to form complex cracks. The change in coal seam permeability has little effect on the initiation pressure and initiation time, but the crack propagation path is obviously different, and a coal seam with low permeability is more favorable to hydraulic fracturing.

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How does institutional support affect the coalbed methane industry?

Cited by 2 publications

References 26 publications

Process simulation on the planning of wind-PV storage for near-zero carbon emission

Process simulation on the planning of wind-PV storage for near-zero carbon emission

Numerical Simulation Study on the Evolution Law of Stress and Crack in Coal Seam Hydraulic Fracturing

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