With the continuous improvement of big data technology, my country's coal liquefaction technology has also continued to mature, maintaining a stable industrial development. Traditional coal pyrolysis technology for tar production with the purpose of…
With the continuous improvement of big data technology, my country's coal liquefaction technology has also continued to mature, maintaining a stable industrial development. Traditional coal pyrolysis technology for tar production with the purpose of…
This document describes the process of planning and the execution of the production tubing micro-leak's location detection with the use of Spectral Noise-High Precision Temperature Logging and globally novel technology of multi-set bridge plug…
With the continuous improvement of big data technology, my country's coal liquefaction technology has also continued to mature, maintaining a stable industrial development. Traditional coal pyrolysis technology for tar production with the purpose of…
This document describes the process of planning and the execution of the production tubing micro-leak's location detection with the use of Spectral Noise-High Precision Temperature Logging and globally novel technology of multi-set bridge plug…
This document describes the process of planning and the execution of the production tubing micro-leak's location detection with the use of Spectral Noise-High Precision Temperature Logging and globally novel technology of multi-set bridge plug…
The casing corrosion problem in Changqing Oil Region has long troubled oilfield development which caused a serious loss of production capacity. For a large number of corroded perforated wells, the accurate identification of the water outlet has…
With the continuous improvement of big data technology, my country's coal liquefaction technology has also continued to mature, maintaining a stable industrial development. Traditional coal pyrolysis technology for tar production with the purpose of…
This document describes the process of planning and the execution of the production tubing micro-leak's location detection with the use of Spectral Noise-High Precision Temperature Logging and globally novel technology of multi-set bridge plug…
With the continuous improvement of big data technology, my country's coal liquefaction technology has also continued to mature, maintaining a stable industrial development. Traditional coal pyrolysis technology for tar production with the purpose of…
During the storage and transportation of large power transformers, nitrogen filling is needed to prevent moisture inside the oil tank. The traditional nitrogen pressure monitoring method is to install mechanical pressure gauges on the oil tank. The…
The most important objective that pipeline operators/owners strive to meet daily is transporting oil and gas products safely, while protecting people, environment and integrity of their assets. How this is accomplished requires extensive planning,…
Considering the temperature rises caused by the friction loss and heat leakage, long-distance and high-capacity transportation of liquefied natural gas (LNG) is currently not very feasible by using a cryogenic pipeline. As a fire-proof and…
N-doping can endow carbon materials with high electrochemical activity. Besides the widely validated sp2-hybridized nitrogen doping, sp-hybridized nitrogen (sp-N) atoms are also expected to be new active sites. However, both sp-N atoms and cyano (CN)…
Activated carbon (AC) was treated with ammonia for nitrogen doping and then was further anchored with platinum nanoparticles through ultrasound-assisted impregnation method. Methane (CH4) and carbon dioxide (CO2) storage of the pristine and modified…
This study investigates the ability of hydrogen (H2) to wet clay surfaces in the presence of brine, with implications for underground hydrogen storage in clay-containing reservoirs. Rather than measuring contact angles directly with hydrogen gas, a…
3D carbon-based materials with multiscale hierarchy are promising electrode materials for electrochemical energy storage and conversion applications, but the synthesis in an efficient and large-scale way is still a great challenge. Herein, a carbon…
Nitrogen-doped carbon materials with abundant defects and strong potassium adsorption ability have been recognized as potential anodes for potassium ion batteries (PIBs). However, the limited content and uncontrolled type of nitrogen-doped sites…
Rational design and sustainable preparation of high-performance carbonaceous electrode materials are important to the practical application of supercapacitors. In this work, a cost-effective synthesis strategy for nitrogen and oxygen co-doped porous…
As the commercial development of shallow shale gas reservoirs has been successfully achieved in Sichuan Basin, the deep shale gas reservoirs become the key development target in the next step. The accurate quantitative characterization of the fluid…
The Vanishing Interfacial Tension (VIT) technique is used to determine the Minimum Miscibility Pressure (MMP) of 5 dead crude oil samples using pure Nitrogen as injected gas. This technique is used to measure the Interfacial Tension for each oil…
In-situ combustion is considered as one of the most effective ways to enhance recovery of heavy crude oils and bitumens. The oxygen from injected air reacts with the heavy components of the crude oil, forming a hot zone in which the cracking and…
One of the approaches to sustainable energy supply is underground natural gas storage (UGS). In UGS, the gas in the underground storage is made up of two fractions, namely base gas (cushion gas) and working gas. The base gas is injected into the…
Using nitrogen as the blanket for the construction of a gas storage salt cavern by the solution mining under gas (SMUG) method has many advantages, such as improved safety, enhanced environmental protection and better economy. A critical issue for…
Injection of supercritical CO2 (SCCO2) causes significant changes in the petrophysical properties of shales and affects the integrity of geological storage sites. The alteration of mineralogy and pore structure plays a major role in defining the…
Scope: This document defines the methods for the generation and testing of foamed cement slurries and their corresponding unfoamed base cement slurries at atmospheric pressure. These methods are developed for foamed cement slurries with air, at…
The aim of this work is to investigate and improve the understanding of the complex processes involved in NOx formation during oxy-fuel combustion of natural gas. In this study, two industrial non-premixed jet burner designs were experimentally and…
Liquefied Natural Gas (LNG) is stored in cryogenic tanks at receiving terminals. During the LNG storage some part of LNG evaporates into gas phase. Evaporated LNG is called Boil off Gas (BOG). Heat flow has an influence on evaporation process. It…
The NHR-200 reactor in China adopts the noncondensable gas self-stabilizing control and the noncondensable gas used for pressure stabilization control can weaken steam condensation heat transfer in the integrated steam-gas pressurizer. A condensation…
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…
The liquefaction process is one of the key technologies of offshore FLNG device and is charged by patent protection of a few companies. Because of special offshore operational environment, the choice of FLNG liquefaction process is different from…
In this research, the influence of the nitrogen concentration in the oxidizer, oxygen/fuel equivalence ratio and temperature of the combustion chamber on the combustion characteristics of a natural gas fired oxy-fuel jet burner was observed. The…
One of the approaches to sustainable energy supply is underground natural gas storage (UGS). In UGS, the gas in the underground storage is made up of two fractions, namely base gas (cushion gas) and working gas. The base gas is injected into the…
Crude oil contamination greatly influence soil bacterial community. Proliferative microbes in the crude oil-contaminated soil are closely related to the living conditions. Oil wells in the Yellow River Delta Natural Reserve (YRDNR) region is an ideal…
Liquefaction and then transportation to the market is one of the promising options for the utilization of associated natural gas resources which are produced in oil fields. However, the flow of such resources is normally unsteady. Additionally, the…
Cusiana and Cupiagua fields represent 51% of Colombia natural gas production. However, some studies predict that in 2023, the reserves of the fields will decrease significantly causing an imbalance between supply and demand of natural gas within the…
Liquefied natural gas (LNG) has an increasingly important role in the global natural gas market. Global demand for natural gas will grow over the coming years. LNG is transported by ships to unloading points at the storage terminals. During the LNG…
Accurate prediction of NOx emission is essential in designing combustion devices and troubleshooting of existing ones. The aim of this work is to investigate the sensitivity of NOx formation during the combustion of natural gas with oxygen using a…
Soil bioelectrochemical systems (BESs) utilize indigenous microorganisms to generate biocurrent/electric fields that stimulate the degradation of organic pollutants, exhibiting great potential in the removal of petroleum hydrocarbons from soils. In…
The exploration activities in the eastern Tarim Basin have been thwarted over the last decade after the discovery of several Jurassic gas condensate fields. In this study, the two-dimensional gas chromatography/time-of-flight mass spectrometry (GC …
This study focuses on the post-recovery effect of Nigerian heavy crude viscosity in microbial enhanced oil recovery process. The technique involves the injection of exogenous hydrocarbon-degrading microbes with the required nutrients to guarantee the…
In this paper, a more efficient way of rainwater harvesting is proposed. Due to vast globalization, urbanization and modernization the quality of our surroundings is degraded, which in turn, affects the natural phenomenon of rains too. The burning of…
ABSTRACT New fluid-fluid and solid-fluid(-fluid) equilibrium measurements at 4 MPa for the N2 + CH4 + CO2 system have been carried out using a static-analytic method in order to investigate the effect of nitrogen on the phase equilibrium behavior of…
Selective capture and separation of methane (CH4) from nitrogen (N2) is a feasible approach to mitigate the effects of global warming and to improve the heating value of low-quality natural gas. However, the efficient separation of CH4/N2 is a…
In this research, the influence of the nitrogen concentration in the oxidizer, oxygen/fuel equivalence ratio and temperature of the combustion chamber on the combustion characteristics of a natural gas fired oxy-fuel jet burner was observed. The…
One of the approaches to sustainable energy supply is underground natural gas storage (UGS). In UGS, the gas in the underground storage is made up of two fractions, namely base gas (cushion gas) and working gas. The base gas is injected into the…
The development of more efficient technology for the production of helium from natural gas is pressing as the current resources are dwindling. In the present work, ultra-thin MFI membranes were evaluated for the separation of an equimolar CH4/N2/He…
Crude oil contamination greatly influence soil bacterial community. Proliferative microbes in the crude oil-contaminated soil are closely related to the living conditions. Oil wells in the Yellow River Delta Natural Reserve (YRDNR) region is an ideal…
Cusiana and Cupiagua fields represent 51% of Colombia natural gas production. However, some studies predict that in 2023, the reserves of the fields will decrease significantly causing an imbalance between supply and demand of natural gas within the…