Hydrogen sulfide (h2s) leakage and dispersion from a sulfide recycle installation in different wind speeds are simulated by implementing a 3D Computational Fluid Dynamics (CFD) model. h2s concentrations of monitor points which represent dispersion…
Monitoring of natural gas (NG) pipelines is an important task for economical/safety operation, loss prevention and environmental protection. Timely and reliable leak detection of gas pipeline, therefore, plays a key role in the overall integrity…
The technology has been developed for the production of low-carbon and microalloyed steel for the production of strips in order to manufacture small and medium-diameter pipes for the extraction and transportation of petroleum products. The developed…
Natural gas, as a very important source of energy and chemical feedstock, can be used in place of coal to lower net carbon dioxide emissions. Membrane separation technology is an attractive alternative for natural gas purification where the…
Hydrodesulfurization (HDS) of sour crude oil is an effective way to address the corrosion problems in refineries and is an economic way to process sour crude oil in an existing refinery built for sweet oil. Siberian crude oil transported through the…
A commercial Fe-C material (P265GH) used for natural gas delivery and transportation systems was analyzed in H2S atmosphere in order to establish the corrosion resistance. In most of the industrial processes for gas purification the corrosion rate is…
The article discusses the results of biomonitoring research at the Underground Gas Storage (UGS). Hydrogen sulphide, as one of the products of microbiological reaction and transformation, as well as a product of chemical reactions in rocks, is a…
Sulfur compounds have significant geochemical information, and the removal of sulfur from petroleum products is one of the most important tasks in petroleum refining. However, it is a challenging task to reveal the chemical composition of sulfide at…
When CO2 is injected into hydrocarbon reservoirs for enhanced oil recovery (EOR), the minimum miscibility pressure (MMP), which defines as the lowest pressure of generating a miscible phase, is an important parameter to determine whether the…
As the use of hydrogen gas (H2) as a renewable energy carrier experiences a major boost, one of the key challenges for a constant supply is safe and cost-efficient storage of surplus H2 to bridge periods with low energy demand. For this purpose,…
Scope: This document specifies a method for the determination of hydrogen sulfide content in working field natural gas of upstream area by laser absorption spectroscopy. The analytical range expressed as mole fraction is 10 10-6 to 20 %. The…
Evaluation of maximum content of water in natural gas before water condenses out at a given temperature and pressure is the initial step in hydrate risk analysis during pipeline transport of natural gas. The impacts of CO2 and H2S in natural gas on…
To understand the isotope fractionation of methane (CH4) during thermochemical sulfate reduction (TSR), isothermal pyrolysis of CH4/N2 gas involving gypsum + MgCl2 and MgSO4 solutions were conducted in a gold-tube system. CH4 was oxidized to generate…
Natural gas sweetening is an essential process within hydrocarbon processing operations, enabling compliance with product quality specifications, avoiding corrosion problems, and enabling environmental care. This process aims to remove hydrogen…
A new homopolymer, 6FDA-CARDO(t-Bu), was prepared from 6FDA-CARDO through one-step chemical modification by adding bulky tert-butyl groups, using Friedel-Crafts alkylation. The incorporation of the bulky groups led to a significant increase in the…
With depletion and natural decline of the sour gas fields in Germany, many conventional gas sweetening plants have been abandoned for economic reasons. A study and a concept selection were conducted to identify technical and economical competitive…
Deepwater oil and gas exploitation has become an important field in the petroleum industry development. However, there are still no mature methods for hydrate prevention in the deepwater wells cleanup stage, and the excessive use of inhibitors has…
This study reports a comprehensive approach for analysis of increasing hydrogen sulfide (H2S) concentration after 10 years of sweet gas production from Kangan and Dalan formations (Khuff) in a gas field. Increasing H2S concentration as a toxic and…
A new method was proposed for hydrogen sulfide removal from natural gas through the utilization of supersonic flow in a Laval nozzle. For this purpose, a mathematical model was established for the supersonic non-equilibrium condensation flow of the…
Hydrogen sulfide (H2S) is an undesirable compound in oil and gas reservoirs, which reduces the economic value of gas reservoirs and has toxic and corrosive effects on reservoir operation equipment. Albeit initial generation mechanisms of hydrogen…
Kashagan oil field has been under production since September 2016. The produced oil is associated with considerable amounts of sour gas that must be processed or disposed of while minimizing flaring. This paper will focus on the methodology for field…
As a complex mixture, high-hydrogen-sulfide natural gas has a high risk of poisoning and explosions after leakage. This study combined wind tunnel experiments, computational fluid dynamics (CFD) technology, and risk theory to explore the dispersion…
The role of natural gas in mitigating greenhouse gas emissions and advancing renewable energy resource integration is undoubtedly critical. With the progress of hydrocarbons exploration and production, the target zones become deeper and the…
Approximately 40% of current global natural gas resources have high H2S and CO2 concentrations. The H2S concentration in Middle East gas reservoirs can potentially reach up to 30 mol%. H2S is toxic
Diffusion coefficients of hydrogen sulfide in water and brine are critical in geology and chemical industries for hydrogen sulfide geological storage and hydrogen sulfide separation from natural gas. However, previous studies have mostly measured the…
Gas hydrates, or clathrate hydrates, formation can dramatically damage the transmission lines and operational equipment of the natural gas dominated system, which in turn to ruptured pipeline or destruction equipment. To prevent these problems,…
In this work, the absorption capacity of four 1-butyl-3-methylimidazolium ([C4mim]+) ionic liquids containing tetrafluoroborate ([BF4]–), hexafluorophosphate ([PF6]–), trifluoromethanesulfonate ([OTf]–), and bis(trifluoromethyl)sulfonylimide…
Improved understanding of the hydrogen sulfide (H2S) origins is of significant importance for petroleum exploration, exploitation and refinement due to it being highly toxic and corrosive. H2S was discovered from the Qianjiang Formation (Eq) in the…
In the process of removing hydrogen sulfide from natural gas, it is easy to form an accumulation of hydrogen sulfide in the gas phase space of the liquid sulfur tank, which can lead to an explosion accident. In order to avoid an explosion accident in…
Raw natural gas contains a significant range of impurities, i.e. H2S, CO2, C2, C3, C6+ etc. The acidic H2S and CO2 are especially highly corrosive to processing and transporting equipment and cause serious environmental issues. In the current study,…
In this article, we propose a novel system to effectively deploy an integrated fuel processing system for hydrogen sulfide and natural gas resources available in the Black Sea to be used for a quick transition to the hydrogen economy. In this regard,…
A cleaner approach was proposed for removing CO2 and H2S from highly acid natural gas by supersonic separation technology. For this purpose, different structures of Laval nozzles and supersonic swirling separation devices were designed. The…
Hydrodesulfurization (HDS) of sour crude oil is an effective way to address the corrosion problems in refineries and is an economic way to process sour crude oil in an existing refinery built for sweet oil. Siberian crude oil transported through the…