ABAQUS Numerical Simulation Study on the Shear Instability of a Wellbore Induced by a Slip of the Natural Gas Hydrate Layer

• Published in: Journal of marine science and engineering Vol. 11; no. 4; p. 837
• Main Authors: Jiang, Yujing, Li, Baocheng, Wang, Changsheng, Luan, Hengjie, Zhang, Sunhao, Shan, Qinglin, Cheng, Xianzhen
• Format: Journal Article
• Language: English
• Published: Basel MDPI AG 01.04.2023
• Subjects: Acoustics; Analysis; Axial forces; Bending moments; Computer simulation; Decomposition; Deformation; Direction; Dissipation; Drilling; Energy; energy dissipation; Equilibrium; Experiments; Finite element method; Forces (mechanics); Gas hydrates; Global warming; Hydrates; Kelvin-Helmholtz instability; Laboratories; Laboratory experimentation; layer slip; Mathematical models; Mechanical properties; Natural gas; natural gas hydrate; Necking; Numerical analysis; Numerical models; numerical simulation; Permafrost; Plastic deformation; Plastics; Rocks; Sediments; Shape; Shear; Shear deformation; Shear forces; shear instability; Shear strength; Simulation; Simulation methods; Slip; Strain energy; Technology application; South China Sea

To study the shear deformation and failure characteristics of a wellbore and the interaction mechanism with its surrounding rocks induced by a layer slip during natural gas hydrates (NGHs) extraction, this paper conducted a numerical simulation study of wellbore shear induced by a layer slip using A...