The evaluation of gas well dynamic reserves is the basis of gas reservoir development potential analysis, technical policy-making, economic benefit evaluation. The low permeability gas reservoir has a small percolation capacity, long pressure…
The evaluation of gas well dynamic reserves is the basis of gas reservoir development potential analysis, technical policy-making, economic benefit evaluation. The low permeability gas reservoir has a small percolation capacity, long pressure…
Performance prediction is one of the important contents of oilfield development. It is also an important content affecting investment decision-making, especially for offshore oilfields with large investment. At present, most oilfields in China have…
The evaluation of gas well dynamic reserves is the basis of gas reservoir development potential analysis, technical policy-making, economic benefit evaluation. The low permeability gas reservoir has a small percolation capacity, long pressure…
Performance prediction is one of the important contents of oilfield development. It is also an important content affecting investment decision-making, especially for offshore oilfields with large investment. At present, most oilfields in China have…
Performance prediction is one of the important contents of oilfield development. It is also an important content affecting investment decision-making, especially for offshore oilfields with large investment. At present, most oilfields in China have…
The evaluation of gas well dynamic reserves is the basis of gas reservoir development potential analysis, technical policy-making, economic benefit evaluation. The low permeability gas reservoir has a small percolation capacity, long pressure…
An overview of classical leak detection systems is given and the engineering basis of a novel type of detector is examined. This system is a flexible hydrocarbon-sensing cable that can be installed along pipelines, in double-containment tanks and…
Some examples of leaks occurring in pipelines are considered, and an overview of classical leak detection systems and the engineering basis of a novel type of detector system are given. The hydrocarbon sensor system consists of an alarm module and…
Heavy oils are sometimes diluted with petroleum solvents for pipeline transportation, and it is necessary to ensure that the selected solvent does not precipitate asphaltenes from the oil. The modified regular solution (MRS) model can predict…
The fluctuations of international crude oil markets have caused significant attention around the world and aroused strong interest in the forecasting of the systemic risk in crude oil trade. Based on the oil imported values data of 34 major…
CO2 removal in raw natural gas is required to meet the sale gas specifications. The chemical solvent absorption method is one of the most commonly used technologies. The absorption-based processes, however, require an enormous amount of energy to…
Storage of cellulose solution can be practically ineluctable before it is manufactured into various regenerated products (e.g., fibers, films), especially in the case of industrial production. Therefore, it is necessary to evaluate the effect of…
The depolymerization of lignin to high value-added aromatic monomers has attracted considerable attention. Nevertheless, an effective separation process is essential for obtaining aromatic monomers from lignin depolymerization products. In this…
In this study, acetone fractionation was used to increase the homogeneity of softwood kraft lignin for product development. The acetone soluble and insoluble fractions were analyzed in terms of elemental composition, chemical structure, and thermal…
The extraction of naphthenic acid from low-grade crudes offers economic and environmental advantages over chemical conversion or other separation processes. The properties of the solvent play critical roles for the successful implementation of the…
The supercritical carbon dioxide extraction of bio-crude, produced by hydrothermal liquefaction of lignocellulosic biomass, was investigated for pressures and temperatures in the range 112400 bar and 40120 C, corresponding to solvent densities in the…
One common method for describing crude oils according to their composition is by grouping their chemical compounds into four categories: Saturates, aromatics, resins, and asphaltenes (SARA). SARA analysis is based on the different degrees of…
Solvent bitumen extraction processes are alternatives to thermal processes with potential for improved economic and environmental performance. However, solvent interaction with bitumen commonly results in in situ asphaltene precipitation and…
Storage of large amounts of carbon dioxide (CO2) within deep underground aquifers has great potential for long‐term mitigation of climate change. The U.S. Gulf Coast is an attractive target for CO2 storage because of the favorable formation…
The removal of CO2 from natural gas will enhance its energy content, decrease the volume to be transported and if coupled with storage technology- it will also contribute to the control of CO2 emissions. Amine-based chemical absorption is the most…
In this work, a mixed absorbent of an ionic liquid (IL) and triethylene glycol (TEG) is first proposed for natural gas (NG) dehydration. The hydrophilic [EMIM][BF4] is selected as an appropriate IL composition from 240 potential candidates by…
This paper analyzes the use of a cyclic solvent injection technique (CSI) as a non-thermal EOR alternative to cyclic steam stimulation (CSS) for increasing the heavy oil recovery in a shallow reservoir located at the middle Magdalena basin in…
Objectives/Scope: Carbon Capture processes have been utilized in various sectors, but limitations in its large parasitic load have been observed in its use in Natural Gas Process Plants, and that is mostly associated with the energy penalty incurred…
The tight sandstone reservoir in He8 member of Sulige gas field is mainly developed economically and efficiently by fracturing technology. In the process of fracturing, the filtration of fracturing fluid will cause damage to the reservoir, which will…
Post-combustion solvent-based carbon capture is a promising technology that potentially can offset the greenhouse gas emissions from fossil-driven power generation systems. The challenge is that CO2 absorption (similar to other CCS technologies)…
The use of NiO nanoparticles as asphaltene co-precipitant additives is studied to improve the upgraded oil's properties and potentially reduce the solvent-to-oil ratio for the in-situ upgrading of heavy oils via solvent deasphalting. Asphaltene…
The study proposes a novel integrated process in which ionic liquid is utilized to control carbon dioxide (CO2) emissions from the natural gas combined with a single mixed refrigerant-based liquefaction process to assist safe transportation over long…
As natural gas demand increases through the energy transition, due to shifts away from coal-fired power generation and increased hydrogen utilization, production and processing of high CO2 natural gas sources, such as the Horn River Basin in Northern…
Synthesis of Compound Esters based on Acid Chloride of Low-Molecular Petroleum Acids of Baku Marine Oil Fields and Chiral Unsaturated Alcohols. The physicochemical properties of the compound naphthenic acid esters are determined, and the…
In this work, a mixed absorbent of an ionic liquid (IL) and triethylene glycol (TEG) is first proposed for natural gas (NG) dehydration. The hydrophilic [EMIM][BF4] is selected as an appropriate IL composition from 240 potential candidates by…
Lloydminster area that straddles Alberta and Saskatchewan border contains vast amounts of heavy oil deposits in thin unconsolidated formations. It is believed that the heavy oil resource volume is in the 50 to 70 billion bbl range which makes it a…
Physical and numerical simulations of subsurface upgrading by use of solvent deasphalting (SSU-SDA) at laboratory conditions will be presented with a heavy crude oil and propane as a solvent. In this work, 1D propane-flood experiments were performed…
We measured different sub-fractions of an asphaltene sample with a THz-TDS system. The results demonstrate good correlation between the terahertz absorption coefficient and the polarity of different sub-fractions.
Pinus armandi franch is a special local plant in China and its seed oil is a nice resource of linoleic acid (LA) with a content of 63% of the total fatty acid. LA is an essential fatty acid and it exerts a variety of physiological functions. The…
The indigenous hydrocarbons in samples of zooplankton, shrimp (Penaeus aztecus) and sediment are extracted by refluxing with a series of organic solvents fractionated by column chromatography and then resolved by high resolution gas chromatography.…
Carbon dioxide (CO2) is perhaps the most important greenhouse gas and it has been directly implicated in global warming. Fossil fuel-based power plants are one of the most important sources of CO2 and their sustainable operation requires mitigation…
The use of NiO nanoparticles as asphaltene co-precipitant additives is studied to improve the upgraded oil's properties and potentially reduce the solvent-to-oil ratio for the in-situ upgrading of heavy oils via solvent deasphalting. Asphaltene…
The study proposes a novel integrated process in which ionic liquid is utilized to control carbon dioxide (CO2) emissions from the natural gas combined with a single mixed refrigerant-based liquefaction process to assist safe transportation over long…
CO2 removal in raw natural gas is required to meet the sale gas specifications. The chemical solvent absorption method is one of the most commonly used technologies. The absorption-based processes, however, require an enormous amount of energy to…
Some examples of leaks occurring in pipelines are considered, and an overview of classical leak detection systems and the engineering basis of a novel type of detector system are given. The hydrocarbon sensor system consists of an alarm module and…
LNG FPSO (LNG Floating Production Storage and Offloading Unit), is a new exploitation technology of offshore gas field. Acid gas removal process is the key link of pretreatment process which is foremost to FLNG technology, and directly affects the…
Pinus armandi franch is a special local plant in China and its seed oil is a nice resource of linoleic acid (LA) with a content of 63% of the total fatty acid. LA is an essential fatty acid and it exerts a variety of physiological functions. The…
The indigenous hydrocarbons in samples of zooplankton, shrimp (Penaeus aztecus) and sediment are extracted by refluxing with a series of organic solvents fractionated by column chromatography and then resolved by high resolution gas chromatography.…
The natural gas sweetening process by using chemical solvents may consider one of the most common and commercial processes that adopted to reduce or remove the hydrogen sulfide and carbon dioxide from the sour gas stream that cause health an…
LNG FPSO (LNG Floating Production Storage and Offloading Unit), is a new exploitation technology of offshore gas field. Acid gas removal process is the key link of pretreatment process which is foremost to FLNG technology, and directly affects the…
LNG FPSO (LNG Floating Production Storage and Offloading Unit), is a new exploitation technology of offshore gas field. Acid gas removal process is the key link of pretreatment process which is foremost to FLNG technology, and directly affects the…
Physical and numerical simulations of subsurface upgrading using solvent deasphalting (SSU-SDA) at laboratory conditions will be presented using a heavy crude oil and propane as solvent. In this work, propane flood experiments were carried out in a…
Physical and numerical simulations of subsurface upgrading by use of solvent deasphalting (SSU-SDA) at laboratory conditions will be presented with a heavy crude oil and propane as a solvent. In this work, 1D propane-flood experiments were performed…
Physical and numerical simulations of subsurface upgrading using solvent deasphalting (SSU-SDA) at laboratory conditions will be presented using a heavy crude oil and propane as solvent. In this work, propane flood experiments were carried out in a…