Results 21 to 30 of about 533,861 (287)

Numeric simulation of the pulsation bottle for a reciprocating compressor in dynamic regime [PDF]

open access: yesMATEC Web of Conferences, 2021
The pulsation bottles are mounted at the inlet and outlet of / from the reciprocating compressor cylinders to even out the gas parameters (pressure and temperature). They ensure stable working conditions in the compressor cylinders and eliminate / reduce
Pana Ion, Dinu Florinel
doaj   +1 more source

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

open access: yes, 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   +7 more
core   +2 more sources

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

open access: yesPetroleum, 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

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

open access: yesSensors, 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   +4 more
doaj   +1 more source

IUPAC-NIST solubility data series. 81. Hydrocarbons with water and seawater - Revised and updated. Part 8. C9 hydrocarbons with water [PDF]

open access: yes, 2005
The mutual solubility and related liquid-liquid equilibria of C9 hydrocarbons with water are exhaustively and critically reviewed. Reports of the experimental determination of solubility in 18 chemically distinct binary systems that appeared in the ...
Blazej, K.   +11 more
core   +2 more sources

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

open access: yes, 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   +3 more
core   +2 more sources

Specialized odorant receptors in social insects that detect cuticular hydrocarbon cues and candidate pheromones. [PDF]

open access: yes, 2017
Eusocial insects use cuticular hydrocarbons as components of pheromones that mediate social behaviours, such as caste and nestmate recognition, and regulation of reproduction.
Bello, Jan   +13 more
core   +2 more sources

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

open access: yesApplied 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   +8 more
doaj   +1 more source

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

open access: yesPetroleum, 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   +2 more
doaj   +1 more source

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

open access: yesEnergies, 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   +6 more
doaj   +1 more source

Home - About - Disclaimer - Privacy