Corrosion Control in the Oil and Gas Industry Using Nodal Analysis and Two-Phase Flow Modeling Techniques

1996 ◽  
Author(s):  
Carlos A. Palacios ◽  
Valoy Chaudary
Keyword(s):  
Oil And Gas ◽  
Two Phase Flow ◽  
Oil And Gas Industry ◽  
Phase Flow ◽  
Flow Modeling ◽  
Corrosion Control ◽  
Two Phase ◽  
Gas Industry ◽  
Nodal Analysis ◽  
Modeling Techniques

scholarly journals Effects of Fluid Viscosity and Two-Phase Flow on Performance of ESP

Energies ◽  
2020 ◽  
Vol 13 (20) ◽  
pp. 5486
Author(s):  
Peng Liu ◽  
Yumo Wang ◽  
Feng Yan ◽  
Chaofei Nie ◽  
Xin Ouyang ◽  
...  
Keyword(s):  
Oil And Gas ◽  
Two Phase Flow ◽  
Economic Cost ◽  
Oil And Gas Industry ◽  
Fluid Viscosity ◽  
Phase Flow ◽  
Viscous Effects ◽  
Two Phase ◽  
Gas Industry ◽  
Efficient Operation

Electric submersible pumps (ESPs) are widely used in the oil and gas industry for crude-oil lifting, especially in subsea oil fields or underground storage caverns. The failure of ESPs causes a large economic cost mainly attributed to a break in production continuity, as the ESP cannot be easily replaced. Therefore, the assurance of safe and efficient operation of ESPs has attracted high attention in recent years, although the problem still remains challenging given the complexity of carrying fluid and the mechanical structure of the ESP. In this article, we systematically review both the high-impact, classic contributions and the most up-to-date, current opinions in experimental and numerical advances of viscous effects and two-phase flow in ESPs. We specifically focus on the applications in the oil and gas industry and point out a few current challenges in the operation of ESPs. We aim to guide the audience which is new to the area of ESPs to the correct articles related to their interests, including classic work and recent advances.

scholarly journals Multiple Wire-Mesh Sensors Applied to the Characterization of Two-Phase Flow inside a Cyclonic Flow Distribution System

Sensors ◽  
2019 ◽  
Vol 19 (1) ◽  
pp. 193 ◽  
Author(s):  
César Y. Ofuchi ◽  
Henrique K. Eidt ◽  
Carolina C. Rodrigues ◽  
Eduardo N. Dos Santos ◽  
Paulo H. D. Dos Santos ◽  
...  
Keyword(s):  
Distribution System ◽  
Oil And Gas ◽  
Flow Distribution ◽  
Oil And Gas Industry ◽  
Wire Mesh ◽  
Phase Flow ◽  
Two Phase ◽  
Gas Industry ◽  
Offshore Oil And Gas ◽  
Offshore Oil

Wire-mesh sensors are used to determine the phase fraction of gas–liquid two-phase flow in many industrial applications. In this paper, we report the use of the sensor to study the flow behavior inside an offshore oil and gas industry device for subsea phase separation. The study focused on the behavior of gas–liquid slug flow inside a flow distribution device with four outlets, which is part of the subsea phase separator system. The void fraction profile and the flow symmetry across the outlets were investigated using tomographic wire-mesh sensors and a camera. Results showed an ascendant liquid film in the cyclonic chamber with the gas phase at the center of the pipe generating a symmetrical flow. Dispersed bubbles coalesced into a gas vortex due to the centrifugal force inside the cyclonic chamber. The behavior favored the separation of smaller bubbles from the liquid bulk, which was an important parameter for gas-liquid separator sizing. The void fraction analysis of the outlets showed an even flow distribution with less than 10% difference, which was a satisfactorily result that may contribute to a reduction on the subsea gas–liquid separators size. From the outcomes of this study, detailed information regarding this type of flow distribution system was extracted. Thereby, wire-mesh sensors were successfully applied to investigate a new type of equipment for the offshore oil and gas industry.

Numerical Simulation of Non-Isothermal Two-Phase Flow in a Pipeline Using the Flux-Corrected Transport Method

2016 ◽  
Author(s):  
Carina N. Sondermann ◽  
Rodrigo A. C. Patricio ◽  
Aline B. Figueiredo ◽  
Renan M. Baptista ◽  
Felipe B. F. Rachid ◽  
...  
Keyword(s):  
Oil And Gas ◽  
Two Phase Flow ◽  
Hyperbolic Equations ◽  
Oil And Gas Industry ◽  
Heat Transfer Process ◽  
Design Stage ◽  
Phase Flow ◽  
Offshore Platforms ◽  
Two Phase ◽  
Flux Corrected Transport

Two phase flows occur in many engineering problems, especially in the nuclear, gas and petroleum industries. In oil and gas applications, specifically, a mixture of oil and natural gas is transported in pipelines from offshore platforms to the continent. The prediction of how the flow behaves in time as it moves along the pipe is extremely important, mainly during the pipeline design stage or regular operation. This paper presents simulations for stratified gas-liquid two-phase flow in a horizontal pipeline that is subject to the temperature gradients that exist in the bottom of the ocean, and the resulting heat transfer process that may lead to wax formation and deposition. A one-dimensional two-fluid mathematical model was employed that includes conservation equations of mass and momentum for each fluid and one energy equation for the mixture of liquid and gas. The problem was formulated as an initial-boundary value problem of the hyperbolic type and it was solved using the Flux Corrected Transport (FCT) numerical method, which is second-order accurate in space, coupled with an explicit discretization in time that is first-order accurate. The FCT method is appropriate to solve problems characterized by hyperbolic equations that may contain discontinuities and shock waves, and it presents small dispersive effects. The results showed excellent accuracy results when compared to commercial software widely used in the oil and gas industry.

Two-Phase Flow Modeling in Oil and Gas Applications

2015 ◽  
Author(s):  
M. M. Awad ◽  
S. D. Butt
Keyword(s):  
Experimental Data ◽  
Asymptotic Analysis ◽  
Liquid Flow ◽  
Oil And Gas ◽  
Two Phase Flow ◽  
Phase Flow ◽  
Flow Modeling ◽  
Two Phase ◽  
New Model ◽  
Gas Liquid Flow

In the current study, two-phase flow modeling in oil and gas applications using asymptotic analysis is presented. Examples of two-phase liquid-liquid flow in pipes, two-phase gas-liquid flow in fractures, and two-phase gas-liquid flow in porous media are presented. In the present study, a simple semi-theoretical method for calculating the two-phase frictional pressure gradient in oil and gas applications using asymptotic analysis is presented. The proposed model can be transformed into two-phase frictional multiplier as a function of the Lockhart-Martinelli parameter, X. The advantage of the new model is that it has only one fitting parameter (p). Therefore, calibration of the new model to experimental data is greatly simplified. The new model is able to model the existing multi parameters correlations by fitting the single parameter p. Comparison with experimental data for two-phase frictional multiplier versus the Lockhart-Martinelli parameter (X) is presented.

FUNDAMENTALS OF TWO-PHASE FLOW MODELING

1994 ◽  
Vol 8 (1-4) ◽  
pp. 1-67 ◽  
Author(s):  
Graham B. Wallis ◽  
Donald A. Drew
Keyword(s):  
Two Phase Flow ◽  
Phase Flow ◽  
Flow Modeling ◽  
Two Phase

Simulation of Two Phase Flow Dynamics in Flexible Riser Exit Geometries for Oil and Gas Applications

2018 ◽  
Vol 39 ◽  
pp. 1-13
Author(s):  
Ikpe E. Aniekan ◽  
Owunna Ikechukwu ◽  
Satope Paul
Keyword(s):  
Oil And Gas ◽  
Two Phase Flow ◽  
Flow Analysis ◽  
Computational Cost ◽  
Maximum Velocity ◽  
Oil Well ◽  
Phase Flow ◽  
Two Phase ◽  
The Third ◽  
Riser Pipe

Four different riser pipe exit configurations were modelled and the flow across them analysed using STAR CCM+ CFD codes. The analysis was limited to exit configurations because of the length to diameter ratio of riser pipes and the limitations of CFD codes available. Two phase flow analysis of the flow through each of the exit configurations was attempted. The various parameters required for detailed study of the flow were computed. The maximum velocity within the pipe in a two phase flow were determined to 3.42 m/s for an 8 (eight) inch riser pipe. After thorough analysis of the two phase flow regime in each of the individual exit configurations, the third and the fourth exit configurations were seen to have flow properties that ensures easy flow within the production system as well as ensure lower computational cost. Convergence (Iterations), total pressure, static pressure, velocity and pressure drop were used as criteria matrix for selecting ideal riser exit geometry, and the third exit geometry was adjudged the ideal exit geometry of all the geometries. The flow in the third riser exit configuration was modelled as a two phase flow. From the results of the two phase flow analysis, it was concluded that the third riser configuration be used in industrial applications to ensure free flow of crude oil and gas from the oil well during oil production.

Two-Phase Flow Modeling of Copper Electrorefining Involving Impurity Particles

2017 ◽  
Vol 164 (9) ◽  
pp. E233-E241 ◽  
Author(s):  
Weizhi Zeng ◽  
Shijie Wang ◽  
Michael L. Free
Keyword(s):  
Two Phase Flow ◽  
Phase Flow ◽  
Flow Modeling ◽  
Two Phase ◽  
Copper Electrorefining
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