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 …
Experimental and theoretical studies on Taylor bubbles rising in stagnant non-Newtonian fluids in inclined non-concentric annuli
Experiments have been conducted measuring the drift velocity (U d) of single Taylor bubbles
rising in stagnant Bingham plastic fluids in an inclined (4°≤ θ≤ 45° from vertical) and fully …
rising in stagnant Bingham plastic fluids in an inclined (4°≤ θ≤ 45° from vertical) and fully …
[HTML][HTML] High-precision nonisothermal transient wellbore drift flow model suitable for the full flow pattern domain and full dip range
A reliable multiphase flow simulator is an important tool to improve wellbore integrity and
production decision-making. To develop a multiphase flow model with high adaptability and …
production decision-making. To develop a multiphase flow model with high adaptability and …
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 …
Experimental study of single taylor bubble rising in stagnant and downward flowing non-newtonian fluids in inclined pipes
An experimental investigation of single Taylor bubbles rising in stagnant and downward
flowing non-Newtonian fluids was carried out in an 80 ft long inclined pipe (4°, 15°, 30°, 45° …
flowing non-Newtonian fluids was carried out in an 80 ft long inclined pipe (4°, 15°, 30°, 45° …
Wellbore drift flow relation suitable for full flow pattern domain and full dip range
LOU Wenqiang, W Zhiyuan, LI Pengfei… - Petroleum Exploration …, 2022 - Elsevier
Aiming at the simulation of multi-phase flow in the wellbore during the processes of gas kick
and well killing of complex-structure wells (eg, directional wells, extended reach wells, etc.) …
and well killing of complex-structure wells (eg, directional wells, extended reach wells, etc.) …
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 …
The modeling of two-way coupled transient multiphase flow and heat transfer during gas influx management using fiber optic distributed temperature sensing …
Effective management of gas influxes during drilling for either oil-gas or geothermal wells is
crucial for ensuring operational safety and minimizing non-productive times, especially for …
crucial for ensuring operational safety and minimizing non-productive times, especially for …
Experimental and modeling investigation on gas-liquid two-phase flow in horizontal gas wells
C Luo, Y Cao, Y Liu, S Zhong… - Journal of …, 2023 - asmedigitalcollection.asme.org
Wellbore pressure gradient in gas wells is significant in designing deliquification
technologies and optimizing production. At present, no model has yet to be established …
technologies and optimizing production. At present, no model has yet to be established …