Adiabatic air–water two-phase flow in circular microchannels

A Sur, D Liu - International Journal of Thermal Sciences, 2012 - Elsevier
Gas–liquid two-phase flow in microchannels with hydraulic diameters of 100–500μm
exhibits drastically different flow behaviors from its counterpart in conventional macroscopic …

Numerical simulation of two phase flow in wellbores by means of drift flux model and pressure based method

N Wang, B Sun, Z Wang, J Wang, C Yang - Journal of Natural Gas Science …, 2016 - Elsevier
This paper presents a drift flux correlation and a pressure based method to overcome
convergence problems of two phase flow simulation in wellbores. The drift flux correlation is …

Two-phase flow

MM Awad, SN Kazi - An overview of heat transfer phenomena, 2012 - books.google.com
A phase is defined as one of the states of the matter. It can be a solid, a liquid, or a gas.
Multiphase flow is the simultaneous flow of several phases. The study of multiphase flow is …

Multiphase flow modeling of gas intrusion in oil-based drilling mud

B Sun, W Fu, N Wang, Z Wang, Y Gao - Journal of Petroleum Science and …, 2019 - Elsevier
As the oil-based drilling mud is widely used in the development of oil and gas in deep water,
how to model gas intrusion in the oil-based drilling mud accurately becomes a key issue for …

A new method for early gas kick detection based on the consistencies and differences of bottomhole pressures at two measured points

H Yang, J Li, G Liu, C Wang, H Jiang, K Luo… - Journal of Petroleum …, 2019 - Elsevier
Early gas kick detection is an important measure to ensure well control safety. In accordance
with the fluctuation of the bottomhole pressure during early gas kick, the gas kick can be …

Numerical prediction of non-boiling heat transfer in horizontal stratified and slug flow by the Two-Fluid Model

EF Simões, JNE Carneiro, AO Nieckele - … Journal of Heat and Fluid Flow, 2014 - Elsevier
Gas–liquid two-phase flow in pipes is frequently encountered in many applications, such as
nuclear and oil industries. In the present work non-isothermal intermittent air–water two …

Experimental Study on Friction Coefficient of Gas–Oil Two-Phase Flow in a Large Annulus

Z Wang, J Hu, S Pan, J Zhang, K Chen, B Sun - SPE Journal, 2024 - onepetro.org
The friction coefficient is an important factor that affects the accurate calculation of wellbore
annular pressure distribution and is of great significance for the safety of drilling operations …

[HTML][HTML] Friction pressure drop model of gas-liquid two-phase flow in an inclined pipe with high gas and liquid velocities

Z Liu, R Liao, W Luo, JXF Ribeiro, Y Su - AIP Advances, 2019 - pubs.aip.org
The calculations of friction pressure drop is the most complicated in multiphase flow.
Understanding of the friction pressure drop in pipes are of great importance for many …

Modeling the effects of hydrate wall deposition on slug flow hydrodynamics and heat transfer

CL Bassani, FAA Barbuto, AK Sum… - Applied Thermal …, 2017 - Elsevier
Offshore oil and gas exploitation is usually accompanied of water (brine) and sand. High
water cuts at high pressure scenarios (deep waters) and low temperature (cold waters) favor …

On instantaneous pressure surges and time averaged pressure drop in intermittent regime of two-phase flow

J Thaker, S Saini, J Banerjee - Journal of Petroleum Science and …, 2021 - Elsevier
Vigorous aeration and instantaneous pressure fluctuations associated with intermittent flow
cause severe erosion-corrosion in the piping systems which lead to material degradation or …