A review of liquid nitrogen fracturing technology

Z Huang, S Zhang, R Yang, X Wu, R Li, H Zhang… - Fuel, 2020 - Elsevier
Hydraulic fracturing is an efficient stimulation means for the exploitation of unconventional
oil/gas resources as well as geothermal energy. However, there are several issues for …

[HTML][HTML] Insights into controlling factors of pore structure and hydraulic properties of broken rock mass in a geothermal reservoir

Q Li, D Ma, Y Zhang, Y Liu, Y Ma, D Hu - Lithosphere, 2021 - pubs.geoscienceworld.org
The filled broken rock mass in a geothermal reservoir under high-pressure work fluid and
overburden stress is of great significance to the efficient operation of the geothermal system …

Discrete element method simulation of rice grains impact fracture characteristics

H Tang, G Zhu, W Xu, C Xu, J Wang - Biosystems Engineering, 2024 - Elsevier
The fracture of rice grains and other cereals is a common phenomenon during various
processes such as seeding, harvesting, and processing. With the objective of elucidating the …

Mechanical compaction of crustal analogs made of sintered glass beads: the influence of porosity and grain size

L Carbillet, MJ Heap, P Baud… - Journal of …, 2021 - Wiley Online Library
The fundamentals of our understanding of the mechanical compaction of porous rocks stem
from experimental studies. Yet, many of these studies use natural materials for which …

Fabrication and mechanism of microspheres with tunable and control-released hydrophobicity: Ultra-low-density proppants

Y Zhou, H Chen, J Wang, W Qin, J Yin, Z Zeng, Z Li… - Fuel, 2023 - Elsevier
Ultra-low-density proppants with tunable and control-released hydrophobicity can meet
different requirements of different fracture environments, thus playing an important role in …

Investigating the pressure characteristics and production performance of liquid-loaded horizontal wells in unconventional gas reservoirs

H Tang, Z Sun, Y He, Z Chai, AR Hasan… - Journal of Petroleum …, 2019 - Elsevier
The increasing exploiting activities in unconventional gas reservoirs renew the interests of
investigating liquid loading phenomenon, a common production issue for gas wells. Most …

Coarse-graining of CFD-DEM for simulation of sand production in the modified cohesive contact model

D Kazidenov, F Khamitov, Y Amanbek - Gas Science and Engineering, 2023 - Elsevier
Sand production is an important issue for many hydrocarbon recovery applications in
unconsolidated reservoirs. The model using the computational fluid dynamics coupled with …

Experimental and numerical investigations of particle plugging in fracture-vuggy reservoir: A case study

Z Baiyu, T Hongming, Y Senlin, C Gongyang… - Journal of Petroleum …, 2022 - Elsevier
Fracture-vuggy reservoirs commonly occur in carbonate rock and volcanic rock, leading to a
significant loss of circulation. With both vugs and fractures, a fracture-vuggy reservoir is …

Experimental study on the rock-breaking characteristics of abrasive liquid nitrogen jet for hot dry rock

S Zhang, Z Huang, H Wang, G Li, K Sepehrnoori… - Journal of Petroleum …, 2019 - Elsevier
Abrasive liquid nitrogen (LN2) jet is regarded as one of the most efficient methods to break
hard rock, such as hot dry rock (HDR), due to its unite low-temperature property. In this …

Investigation of the permeability anisotropy of porous sandstone induced by complex stress conditions

X Li, K Duan, Q Zhang, J Li, R Jiang, L Wang - Computers and Geotechnics, 2023 - Elsevier
The permeability of hydrocarbon reservoirs composed of porous rock is anisotropic under
asymmetrical stress configuration. A proper understanding of this characteristic is essential …