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Browsing by Author "Baba, Yahaya D."

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Comparative analysis of riser base and flowline gas injection on vertical gas-liquid two-phase flow

Brini Ahmed, Salem K.; Aliyu, Aliyu M.; Baba, Yahaya D.; Abdulkadir, Mukhtar; Abdulhadi, Rahil Omar; Lao, Liyun; Yeung, Hoi (MDPI, 2022-10-10)

Gas injection is a frequently used method for artificial lift and flow regime rectification in offshore production and transportation flowlines. The flow behaviour in such flowlines is complex and a better understanding ...
Estimating slug liquid holdup in high viscosity oil-gas two-phase flow

Archibong-Eso, Archibong; Okeke, Nonso Evaristus; Baba, Yahaya D.; Aliyu, Abdulkabir; Lao, Liyun; Yeung, H. (Elsevier, 2018-10-29)

Slug flow is one of the most critical and often encountered flow patterns in the oil and gas industry. It is characterised by intermittency which results in large fluctuations in liquid holdup and pressure gradient. A ...
Experimental investigation of high viscous multiphase flow in horizontal pipelines

Baba, Yahaya D. (2016)

Diminishing reserves of “conventional” light crude oil, increased production costs amidst increased world energy demand over the last decade has spurred industrial interest in the production of the significantly and more ...
Interfacial friction in upward annular gas–liquid two-phase flow in pipes

Aliyu, A. M.; Baba, Yahaya D.; Lao, Liyun; Yeung, H.; Kim, K. C. (Elsevier, 2017-02-17)

Accurate prediction of interfacial friction between the gas and liquid in annular two-phase flow in pipes is essential for the proper modelling of pressure drop and heat transfer coefficient in pipeline systems. Many ...
Prediction of entrained droplet fraction in co-current annular gas–liquid flow in vertical pipes

Aliyu, A. M.; Almabrok, Almabrok Abushanaf; Baba, Yahaya D.; Archibong-Eso, Archibong; Lao, Liyun; Yeung, Hoi; Kim, K. C. (Elsevier, 2017-03-07)

The entrained droplet fraction is an important parameter in annular two-phase flow, as its correlations are key inputs in flow simulation codes for the prediction of pressure drop and critical heat flux or dryout. Investigators ...
Sand minimum transport conditions in gas–solid–liquid three-phase stratified flow in a horizontal pipe at low particle concentrations

Fajemidupe, Olawale T.; Aliyu, Aliyu M.; Baba, Yahaya D.; Archibong-Eso, Archibong; Yeung, Hoi (Elsevier, 2019-01-15)

Sand production in the life of oil and gas reservoirs is inevitable, as it is co-produced from reservoirs. Its deposition in petroleum pipelines poses considerable risk to production and can lead to pipe corrosion and flow ...
Slug length for high viscosity oil-gas flow in horizontal pipes: experiments and prediction

Baba, Yahaya D.; Aliyu, Aliyu M.; Archibong-Eso, Archibong; Abdulkadir, Mukhtar; Lao, Liyun; Yeung, Hoi (Elsevier, 2018-02-08)

An experimental investigation was carried out on the effects of high liquid viscosities on slug length in a 0.0762-m ID horizontal pipe using air-water and air-oil systems with nominal viscosities ranging from 1.0 to ...
Slug translational velocity for highly viscous oil and gas flows in horizontal pipes

Baba, Yahaya D.; Archibong-Eso, Archibong; Aliyu, Aliyu M.; Fajemidupe, Olawale T.; Ribeiro, Joseph X. F.; Lao, Liyun; Yeung, Hoi (MDPI, 2019-09-12)

Slug translational velocity, described as the velocity of slug units, is the summation of the maximum mixture velocity in the slug body and the drift velocity. Existing prediction models in literature were developed based ...
Upward gas–liquid two-phase flow after a U-bend in a large-diameter serpentine pipe

Aliyu, A. M.; Almabrok, Almabrok Abushanaf; Baba, Yahaya D.; Lao, Liyun; Yeung, Hoi; Kim, Kyung Chun (Elsevier, 2017-01-02)

We present an experimental study on the flow behaviour of gas and liquid in the upward section of a vertical pipe system with an internal diameter of 101.6 mm and a serpentine geometry. The experimental matrix consists of ...
Void fraction development in gas-liquid flow after a U-bend in a vertically upwards serpentine-configuration large-diameter pipe

Almabrok, Almabrok Abushanaf; Aliyu, Aliyu M.; Baba, Yahaya D.; Lao, Liyun; Yeung, Hoi (Springer, 2017-08-01)

We investigate the effect of a return U-bend on flow behaviour in the vertical upward section of a large-diameter pipe. A wire mesh sensor was employed to study the void fraction distributions at axial distances of 5, 28 ...

Browsing by Author "Baba, Yahaya D."

Browsing by Author "Baba, Yahaya D."

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