A review of laboratory study on enhancing coal seam permeability via chemical stimulation

H Li, J He, J Lu, B Lin, Y Lu, S Shi, Q Ye - Fuel, 2022 - Elsevier
Chemical stimulation is a potential technology for coal permeability enhancement.
Developing chemical stimulation techniques and understanding its mechanism are …

Development of gelled acid system in high-temperature carbonate reservoirs

Y Sui, G Cao, T Guo, Z Li, Y Bai, D Li… - Journal of Petroleum …, 2022 - Elsevier
Acid fracturing technology is an effective way to reconstruct carbonate reservoirs. However,
considering the characteristics such as strong heterogeneity, deep burial, and high …

[HTML][HTML] Experimental investigation on the reformation and strength weakening of hard limestone by acidizing

B Huang, M Hou, X Zhao, Y Xing - International Journal of Mining Science …, 2022 - Elsevier
Several derivative disasters such as ground pressure disasters and methane explosions can
be caused by the hard roof in coal mines. For limestone roofs with fine integrity and extreme …

Experimental study of fracture conductivity in dolomite reservoirs treated with different acid fracturing technologies

N Zhang, X Chen, Z Luo, B Yan, Y Jia, M Lv, J Li… - Geoenergy Science and …, 2023 - Elsevier
The acid fracturing stimulation mechanism of dolomite reservoirs is entirely different from
that of limestone. Most existing research on dolomite acid fracturing still uses the research …

Investigation of Mechanical Properties Evolution and Crack Initiation Mechanisms of Deep Carbonate Rocks Affected by Acid Erosion

W Chen, J Yang, L Li, H Wang, L Huang, Y Jia, Q Hu… - Sustainability, 2023 - mdpi.com
Deep tight-gas carbonate reservoirs have huge reserves, with the advantages of having
clean and low-carbon characteristics in addition to being a sustainable and stable supply …

Acid system and stimulation efficiency of multistage acid fracturing in porous carbonate reservoirs

D Zhu, Y Wang, M Cui, F Zhou, Y Wang, C Liang… - Processes, 2022 - mdpi.com
With little to no natural fracture development and the high calcite content in porous
carbonate reservoirs, for multistage acid fracturing, different fluids are used to form a viscous …

A new compound staged gelling acid fracturing method for ultra-deep horizontal wells

Y Wang, Y Fan, T Wang, J Ye, Z Luo - Gels, 2022 - mdpi.com
Carbonate gas reservoirs in Sichuan are deeply buried, high temperature and strong
heterogeneity. Staged acid fracturing is an effective means to improve production. Staged …

Simulation study of acid fracturing initiation with consideration of rock mechanics parameter variations

Y Li, X Jiang, J Tang, B Liu - Rock Mechanics and Rock Engineering, 2024 - Springer
Deep carbonates hydrocarbon resources are abundant and hold significant potential for
sustainable energy development in future. Acid fracturing is an effective technology for …

Investigation of Nonlinear Flow Behavior Along a Rough-Walled Limestone Fracture With Acid Dissolution

Y Chen, H Mao, W Nie, G Ma - Rock Mechanics and Rock Engineering, 2024 - Springer
Understanding the complex flow behavior along a rough-walled fracture under complex
chemical conditions is of great significance to deep rock engineering in carbonate rocks …

Enhancing fracture conductivity in soft chalk formations with diammonium phosphate treatment: A study at high temperature, pressure, and stresses

M Desouky, MS Aljawad, A Abduljamiu, T Solling… - SPE Journal, 2023 - onepetro.org
This study aims to address the problem of fracture hydraulic conductivity decline in soft
formations using a diammonium hydrogen phosphate (DAP) solution. A naturally weak …