An Interface Parametric Evaluation on Wellbore Integrity during Natural Gas Hydrate Production
Journal of Marine Science and Engineering, 2022 Based on the whole life cycle process of the economic exploitation of natural gas hydrate, this paper proposes the basic problem of stabilizing the wellbore for the basic conditions that must be met to ensure the integrity of the wellbore for ...
Miaozi Zheng +5 more
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Mechanical wellbore stability in anisotropic rock formations [PDF]
, 2021 Wellbore instability in petroleum operations remains a major concern among operators, due to its significant safety-related issues and economic consequences.
Setiawan, I Gusti Ngurah Beni
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Journal of Marine Science and Engineering, 2023 This research explores the geomechanical challenges associated with gas hydrate extraction in submarine slope zones, a setting posing a high risk of significant geological calamities.
Yufa He, Benjian Song, Qingping Li
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Finite element analysis of wellbore stability and optimum drilling direction and applying NYZA method for a safe mud weight window [PDF]
Analytical and Numerical Methods in Mining Engineering, 2022 Wellbore stability analysis, selecting the optimum drilling direction, and determining the safe and stable mud weight windows are among the major geo-mechanical challenges in the oil and gas industries.
محسن حیدری +2 more
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Numerical Simulation Analysis of Wellbore Stability in Weak Interlayer of Igneous Rock
Applied Sciences, 2023 Wellbores drilled in igneous formation with weak interlayers face significant risk of instabilities. This study aims to investigate the underlying mechanisms of these instabilities by employing a combination of rock mechanics tests and numerical ...
Dongyu Su +3 more
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Constitutive Behavior of Wellbore Cement [PDF]
, 2023 Cement is one of the most integral components of a wellbore, yet minimal experimental research has been done to understand the basic processes as to what ensures a cement sheaths’ success.
Cedola, Alexandra
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Numerical Simulation of Drilling Fluid-Wellbore Interactions in Permeable and Fractured Zones
Mathematical and Computational ApplicationsIn well drilling operations, interactions between drilling fluid water-based and the well-bore present significant challenges, often escalating project costs and timelines.
Diego A. Vargas Silva +3 more
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Evolution Law of Wellbore Instability Risk under Fluctuating Pressure
Energies, 2023 The bottom hole fluctuating pressure has a large influence on the wellbore instability. To address this problem, firstly, according to the principle of seepage mechanics, we established a calculation model of the change in pore pressure around the ...
Kai Zhao +4 more
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Thermoporoelastoplastic Wellbore Breakout Modeling by Finite Element Method
Mining, 2022 Drilling a hole into rock results in stress concentration and redistribution close to the hole. When induced stresses exceed the rock strength, wellbore breakouts will happen. Research on wellbore breakout is the fundamental of wellbore stability.
Lijing Zhang +4 more
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Mechanical Stability of Horizontal Wellbore Implementing Mogi-Coulomb Law [PDF]
, 2012 In this paper, a linear elastic constitutive model is described. The model consists of a three dimensional analyses of stress concentration around an arbitrarily oriented borehole, due to anisotropic in situ stress combined with internal wellbore ...
Al-Ajmi, Adel M.
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