Results 21 to 30 of about 1,489,748 (289)

Effect of Water Content, Temperature and NaCl on CO2 Corrosion of Carbon Steel (A106B) in Iraqi Crude Oil

open access: yesTikrit Journal of Engineering Sciences, 2017
An investigation was carried out to determine the corrosion rate of carbon steel (A 106 GradeB) as flow line in crude oil production with CO2 content employing three Iraqi crude oil (Kirkuk crude oil, Halfaya crude oil, and Rumalia crude oil) with ...
Saad Ahmed Jafar, Enaam Y. Abdel-Rahman
doaj   +1 more source

Utilizing Attapulgite as Anti-Spill Liners of Crude Oil

open access: yesمجلة بغداد للعلوم, 2022
The efficiency of attapulgite liners as anti-seepage for crude oil is examined. Consideration is given to the potential use of raw attapulgite and mixture attapulgite with prairie hay and coconut husk as liners to prevent crude oil seepage.
Mayssaa Ali AL-Bidry, Ramzy. S. Hamied
doaj   +1 more source

An Optimized Gradient Boosting Model by Genetic Algorithm for Forecasting Crude Oil Production

open access: yesEnergies, 2022
The forecasting of crude oil production is essential to economic plans and decision-making in the oil and gas industry. Several techniques have been applied to forecast crude oil production.
Eman H. Alkhammash
doaj   +1 more source

Effect of Water Content, Temperature and NaCl on CO2 Corrosion of Carbon Steel (A106B) in Iraqi Crude Oil

open access: yesTikrit Journal of Engineering Sciences, 2018
An investigation was carried out to determine the corrosion rate of carbon steel (A 106 GradeB) as flow line in crude oil production with CO2 content employing three Iraqi crude oil (Kirkuk crude oil, Halfaya crude oil, and Rumalia crude oil) with ...
Saad Ahmed Jafar, Enaam Y. Abdel-Rahman
doaj   +1 more source

Crude Oil Hedging Strategies Using Dynamic Multivariate GARCH [PDF]

open access: yes
The paper examines the performance of four multivariate volatility models, namely CCC, VARMA-GARCH, DCC and BEKK, for the crude oil spot and futures returns of two major benchmark international crude oil markets, Brent and WTI, to calculate optimal ...
Tansuchat, R.   +2 more
core   +4 more sources

Prioritization of Factors Affecting Exporting Crude Oil Price of Iran (1979-2005) [PDF]

open access: yesپژوهشهای اقتصادی, 2008
After the success of the revolution in the Islamic Republic of Iran, all polices regarding crude oil production and marketing have been revised and changed.
Firoozeh Azizi, Sara Vakhshouri
doaj  

Development and evaluation of graphene nanosheets as a novel micro-nano plugging agent for oil-based muds

open access: yesPetroleum
Although there are abundant shale gas resources in China, shale gas is generally buried much deeper than foreign countries. For large-scale development, there are still many core technologies that have not yet been solved. In this paper, we have analyzed
Fan Yu   +3 more
doaj   +1 more source

Quantitative effects of different factors on the thermal characteristics of waxy crude oil pipeline during its shutdown

open access: yesCase Studies in Thermal Engineering, 2020
By means of momentum source term method and additional specific heat capacity method, the thermal characteristics of waxy crude oil pipeline during its shutdown are investigated by the numerical simulation. The quantitative effects of crude oil viscosity,
Jian Zhao   +4 more
doaj   +1 more source

Effect of pipe diameter on heat transfer characteristics of waxy crude oil pipeline during shutdown

open access: yesCase Studies in Thermal Engineering, 2020
Additional specific heat capacity method and momentum source term method are used to establish the mathematical model of the heat transfer process in different diameter waxy crude oil pipeline, and the finite volume method is used to solve the ...
Yue Zhao
doaj   +1 more source

Chiral separation of chloroalkanes with the chromatographic column onboard Martian rovers

open access: yesFEBS Letters, EarlyView.
Computer image of the Rosalind Franklin Rover of ESA's ExoMars mission. ExoMars is scheduled to land on planet Mars in Oxia Planum in 2029. This area represents an interesting spot to look for biosignatures. Investigations of ExoMars include measurement on molecular chirality. We show that chiral chloroalkanes, that have been identified on Mars, can be
Asma Merzougui   +4 more
wiley   +1 more source

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