A review of mathematical models for geothermal wellbore simulation
A wellbore simulator is an important tool for understanding flow in geothermal wells,
however, the literature on the topic is confusing because previous wellbore simulators have …
however, the literature on the topic is confusing because previous wellbore simulators have …
Review of wellbore flow modelling in CO2-bearing geothermal reservoirs
Geothermal energy is a reliable, environmentally friendly resource efficiently transformed to
other energy forms without any storage. Therefore, it has taken the attention of many …
other energy forms without any storage. Therefore, it has taken the attention of many …
Comparison of CO2 and water as working fluids for an enhanced geothermal system in the Gonghe Basin, northwest China
C Zhong, T Xu, F Gherardi, Y Yuan - Gondwana research, 2023 - Elsevier
Because of the additional benefit of geological storage and the self-sustaining thermosiphon
effect, CO 2 instead of water as a working fluid for geothermal energy production has …
effect, CO 2 instead of water as a working fluid for geothermal energy production has …
A data-driven approach for lithology identification based on parameter-optimized ensemble learning
Z Sun, B Jiang, X Li, J Li, K Xiao - Energies, 2020 - mdpi.com
The identification of underground formation lithology can serve as a basis for petroleum
exploration and development. This study integrates Extreme Gradient Boosting (XGBoost) …
exploration and development. This study integrates Extreme Gradient Boosting (XGBoost) …
The impacts of geothermal gradients on compressed carbon dioxide energy storage in aquifers
Y Li, J Cui, H Yu, D Tang, G Zhang, Y Liu - Renewable Energy, 2024 - Elsevier
Compressed CO 2 energy storage in aquifers (CCESA) is new low-cost large scale energy
storage technology. To further improve the energy efficiency of CCESA, we propose to …
storage technology. To further improve the energy efficiency of CCESA, we propose to …
A lithology identification approach based on machine learning with evolutionary parameter tuning
CM Saporetti, LG da Fonseca… - IEEE Geoscience and …, 2019 - ieeexplore.ieee.org
Identification of underground formation lithology from well-log data is an important task in
petroleum exploration and engineering. Due to the cost or imprecision of some methods …
petroleum exploration and engineering. Due to the cost or imprecision of some methods …
Thermal and fluid processes in a closed-loop geothermal system using CO2 as a working fluid
Z Hu, T Xu, B Feng, Y Yuan, F Li, G Feng, Z Jiang - Renewable Energy, 2020 - Elsevier
A co-axial closed-loop geothermal system is a new method to extract geothermal energy. It
uses a continuously closed wellbore and the closed system can avoid many problems of …
uses a continuously closed wellbore and the closed system can avoid many problems of …
Neural network boosted with differential evolution for lithology identification based on well logs information
Lithology identification of geological beds in the subsurface is fundamental in reservoir
characterization. Recently, automated log analysis has an increasing demand in reservoir …
characterization. Recently, automated log analysis has an increasing demand in reservoir …
Heat Production Performance from an Enhanced Geothermal System (EGS) Using CO2 as the Working Fluid
W Zhao, Y Yuan, T Jing, C Zhong, S Wei, Y Yin, D Zhao… - Energies, 2023 - mdpi.com
CO2-based enhanced geothermal systems (CO2-EGS) are greatly attractive in geothermal
energy production due to their high flow rates and the additional benefit of CO2 geological …
energy production due to their high flow rates and the additional benefit of CO2 geological …
A transient geothermal wellbore simulator
A new transient geothermal wellbore simulator is presented. It is based on a mathematical
model consisting of three conservation equations (mass, momentum and energy) and a slip …
model consisting of three conservation equations (mass, momentum and energy) and a slip …