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 …
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.) …
Numerical analysis of velocity field and energy transformation, and prediction model for Taylor bubbles in annular slug flow of static power law fluid
W Lou, Z Wang, B Guo, S Pan, Y Liu, B Sun - Chemical Engineering …, 2022 - Elsevier
Considering the rheological constitutive model and flow-control equation of the fluid around
a Taylor bubble in an annulus, a prediction model of the flow field around the Taylor bubble …
a Taylor bubble in an annulus, a prediction model of the flow field around the Taylor bubble …
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 …
Rheological and filtration control performance of water-based drilling muds at different temperatures and salt contaminants using surfactant-assisted novel …
Today, the high-performance rheological and filtration properties of nanosized particles
(NPs) in water-based muds (WBMs) are continuously reported. Nevertheless, NP's …
(NPs) in water-based muds (WBMs) are continuously reported. Nevertheless, NP's …
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 …