The non-plane initiation and propagation mechanism of multiple hydraulic fractures in tight reservoirs considering stress shadow effects

L Huang, J Tan, H Fu, J Liu, X Chen, X Liao… - Engineering Fracture …, 2023 - Elsevier
Multi-cluster fracturing in horizontal wells is an important stimulation technology for
unconventional tight reservoirs. The interference among multiple simultaneously growing …

A Preliminary Experimental and Numerical Study on the Applicability of Liquid CO2 Fracturing in Sparse Sandstone

D Ma, Y Wu, X Ma, D Hu, H Zhou, D Li - Rock Mechanics and Rock …, 2023 - Springer
As a potential reservoir stimulation fracturing fluid, carbon dioxide (CO2) offers significant
advantages in enhancing the recovery of hydrocarbon resources and reducing reservoir …

Mechanism of hydraulic fracture vertical propagation in deep shale formation based on elastic–plastic model

S Liao, J Hu, Y Zhang - Engineering Fracture Mechanics, 2024 - Elsevier
Deep shale reservoirs exhibit strong plasticity, and the simulation results from previous
fracturing simulations based on elastic models may not adequately account for the effects of …

On the pressure decline analysis for hydraulic fractures in elasto-plastic materials

M Wrobel, P Papanastasiou, M Dutko - Geomechanics for Energy and the …, 2023 - Elsevier
In this paper the problem of a plane strain hydraulic fracture in elasto-plastic material is
analyzed. The analysis is based on Finite Element Method computations of crack …

On crack propagation in weak geomaterials: Revisiting the superdislocation model in the context of hydraulic fracture

M Wrobel, M Dutko, G Mishuris… - International Journal of …, 2023 - Elsevier
In this paper the problem of hydraulic fracture in elasto-plastic pressure sensitive material is
analyzed. The superdislocation model is used to approximate the plastic deformations in the …

Numerical simulation of hydraulic fracturing: A hybrid FEM‐based algorithm

M Wrobel, P Papanastasiou… - International Journal for …, 2022 - Wiley Online Library
In this paper, a problem of numerical simulation of hydraulic fractures is considered. An
efficient algorithm of solution is proposed for the plain strain model of hydraulic fracturing …

[HTML][HTML] Impact of the tangential traction for radial hydraulic fracture

D Peck, G Da Fies - European Journal of Mechanics-A/Solids, 2023 - Elsevier
The radial (penny-shaped) model of hydraulic fracture is considered. The tangential traction
on the fracture walls is incorporated, including an updated evaluation of the energy release …

Relationship between Shale Hydration and Shale Collapse

W Dong, J Tian, Q Chen, P Wang, T Han, Y Zhai… - ACS …, 2022 - ACS Publications
Shale gas has become the major source of natural gas. However, shale is rich in clay and
easily collapsed by water invasion. This not only causes collapse of the reservoir but also …