Computational fluid dynamics simulations of Taylor bubbles rising in vertical and inclined concentric annuli
Motivated by a dearth of research on the dynamics of single Taylor bubbles in annular
conduits, a computational study of Taylor bubbles rising in vertical and inclined annuli is …
conduits, a computational study of Taylor bubbles rising in vertical and inclined annuli is …
Investigation of Taylor bubble dynamics in annular conduits with counter-current flow
This study numerically investigates counter-current slug flow by considering the motion of a
Taylor bubble in annular conduits with downward-flowing liquids using the Volume-of-Fluid …
Taylor bubble in annular conduits with downward-flowing liquids using the Volume-of-Fluid …
Gas migration model for non-Newtonian fluids under shut-in well conditions
Addressing gas migration in a static mud column during the shut-in period is a major
concern in Pressurized Mud Cap Drilling (PMCD). Significant discrepancies have been …
concern in Pressurized Mud Cap Drilling (PMCD). Significant discrepancies have been …
Design and calculation of process parameters in bullheading and pressurized mud cap drilling
This study aims to provide the design and calculation method of key parameters in
bullheading/PMCD operations. An improved gas migration velocity model in closed well …
bullheading/PMCD operations. An improved gas migration velocity model in closed well …
Experimental Study on the Performance of Frictional Drag Reducer with Low Gravity Solids
Y Jia, J Lei - Innovations in Applied Engineering and Technology, 2024 - ojs.sgsci.org
Reducing energy consumption during drilling operations is beneficial to both the
environment and economy. Frictional drag reducers (FDR) are widely used to reduce the …
environment and economy. Frictional drag reducers (FDR) are widely used to reduce the …
A Numerical Study on Labyrinth Screw Pump (LSP) Performance under Viscous Fluid Flow
In this study, fluid viscosity effects on LSP performance in terms of boosting pressure were
numerically investigated. A water–glycerin mixture with different concentrations …
numerically investigated. A water–glycerin mixture with different concentrations …
The Influence of Casing Eccentricity on Zonal Isolation
Eccentricity of the casing frequently exists in actual drilling process. This is one of the main
reasons responsible for poor mud and cement displacement. In such cases, zonal isolation …
reasons responsible for poor mud and cement displacement. In such cases, zonal isolation …
Experimental study of anisotropic strength properties of shale
Led by new developments of horizontal drilling and hydraulic fracturing techniques, organic
rich shales have been contributing significantly to a gas production in the US. In drilling …
rich shales have been contributing significantly to a gas production in the US. In drilling …
Analysis, Comparison, and Discussion on the Utilization of the Existing Slug Liquid Holdup Models to Predict the Horizontal Gas-Liquid Plug-to-Slug Flow Transition
A Boutaghane, A Arabi… - Journal of …, 2023 - asmedigitalcollection.asme.org
In horizontal configuration, the gas-liquid intermittent flow can be plug flow or slug flow.
Different works have demonstrated that the two flow patterns, despite their similarity, are …
Different works have demonstrated that the two flow patterns, despite their similarity, are …
Coupled drillstring dynamics modeling using 3D field-consistent corotational beam elements
Drilling is essential to extract subsurface hydrocarbons and geothermal energy, or store
waste fluids/gases underground. Drilling efficiency directly affects the economics of well …
waste fluids/gases underground. Drilling efficiency directly affects the economics of well …