Results 1 to 10 of about 690,893 (337)

Application of hybrid support vector regression artificial bee colony for prediction of MMP in CO2-EOR process

Petroleum, 2020
Minimum miscibility pressure (MMP) is a key parameter in the successful design of miscible gases injection such as CO2 flooding for enhanced oil recovery process (EOR).
Menad Nait Amar, Noureddine Zeraibi
doaj   +1 more source

Spatial and temporal variablity of nonmethane hydrocarbon mixing ratios and their relation to photochemical lifetime [PDF]

, 1998
The relationship between temporal and spatial variability of C2-C8 nonmethane hydrocarbon mixing ratios and their HO lifetimes (τ) is presented for samples collected during the 1993 North Atlantic Regional Experiment (NARE) and from other urban and ...
Blake, DR, Blake, NJ, Fehsenfeld, FC, Goldan, P, Jobson, BT, Kuster, W, Niki, H, Parrish, DD   +7 more
core   +2 more sources

Stick-Slip Vibration Suppression in Drill String Using Observer-Based LQG Controller

Sensors, 2022
Hydrocarbon exploration and production activities are guaranteed through various operations including the drilling process, which is realized by using rotary drilling systems. The process involves crushing the rock by rotating the drill bit along a drill
Rami Riane, Mohamed Zinelabidine Doghmane, Madjid Kidouche, Kong Fah Tee, Sofiane Djezzar   +4 more
doaj   +1 more source

Bioassays with terrestrial and aquatic species as monitoring tools of hydrocarbon degradation [PDF]

, 2016
In this study chemical analyses and ecotoxicity tests were applied for the assessment of a heavily hydrocarbon-contaminated soil prior and after the application of a remediation procedure that consisted in the stimulation of soil autochthonous ...
Bori Dols, Jaume, Ortega, Lina, Riva Juan, Mª del Carmen, Valles Malet, Bettina   +3 more
core   +2 more sources

Bottom hole pressure estimation using hybridization neural networks and grey wolves optimization

Petroleum, 2018
An effective design and optimum production strategies of a well depend on the accurate prediction of its bottom hole pressure (BHP) which may be calculated or determined by several methods.
Menad Nait Amar, Nourddine Zeraibi, Kheireddine Redouane   +2 more
doaj   +1 more source

Hydrogen–Natural Gas Mix—A Viable Perspective for Environment and Society

Energies, 2023
The increase in demand, and thus the need to lower its price, has kept C-based fuels as the main source. In this context, the use of oil and gas has led to increased climate change, resulting in greenhouse gases. The high percentage of eissions, over 40%,
Adrian Neacsa, Cristian Nicolae Eparu, Cașen Panaitescu, Doru Bogdan Stoica, Bogdan Ionete, Alina Prundurel, Sorin Gal   +6 more
doaj   +1 more source

Effect of Cu(NO₃)₂ and Cu(CH₃COO)₂ Activating Additives on Combustion Characteristics of Anthracite and Its Semi-Coke

Energies, 2020
The process of anthracite and its semi-coke combustion in the presence of 5 wt.% (in terms of dry salt) additives of copper salts Cu(NO3)2 and Cu(CH3COO)2 was studied. The activating additives were introduced by an incipient wetness procedure.
Kirill Larionov, Konstantin Slyusarskiy, Svyatoslav Tsibulskiy, Anton Tolokolnikov, Ilya Mishakov, Yury Bauman, Aleksey Vedyagin, Alexander Gromov   +7 more
doaj   +1 more source

Correlation of Gas Quality with Hydrodynamic Parameters in Transmission Networks [PDF]

MATEC Web of Conferences, 2019
Natural gases are a mixture of hydrocarbons. Their composition determines the basic variables that need to be taken into account in the calculation of transport or gathering systems.
Eparu Cristian Nicolae, Neacsu Sorin, Neacsa Adrian   +2 more
doaj   +1 more source

3D Geomechanical Model Construction for Wellbore Stability Analysis in Algerian Southeastern Petroleum Field

Energies, 2022
The main objective of this research work was the wellbore stability evaluation of oil and gas wells based on a 3D geomechanical model, which as constructed using seismic inversion in a southeastern Algerian petroleum field.
Said Eladj, Mohamed Zinelabidine Doghmane, Tanina Kenza Lounissi, Mabrouk Djeddi, Kong Fah Tee, Sofiane Djezzar   +5 more
doaj   +1 more source

Imidazoline-Based Fatty Acid Derivatives as Novel Shale Inhibitors for Water-Based Drilling Fluids

Applied Sciences
Water-based drilling fluids (WBMs) are widely applied in petroleum engineering due to their lower cost and reduced environmental impact compared to oil-based muds.
Ioana Gabriela Stan, Mihail Tudose, Alina Petronela Prundurel, Gheorghe Branoiu, Liviu Dumitrache, Silvian Suditu, Doru Bogdan Stoica, Emil Zaharia, Rami Doukeh   +8 more
doaj   +1 more source