This article addresses the stabilization of chaotic characteristics in abnormal data by proposing chaotic correlation feature extraction of big data clustering based on the Internet of things. The chaotic features in big data usually show complex…
State of health estimation of power batteries is one of the key algorithms of the battery management systems, which is of great significance for improving power battery energy utilization efficiency, reducing thermal runaway risk, as well as power…
This article addresses the stabilization of chaotic characteristics in abnormal data by proposing chaotic correlation feature extraction of big data clustering based on the Internet of things. The chaotic features in big data usually show complex…
One comparative analysis method of English comparative literature based on big data Bayesian method has been proposed to improve the calculation accuracy of comparative analysis process of English comparative literature. Firstly, one multilayer…
State of health estimation of power batteries is one of the key algorithms of the battery management systems, which is of great significance for improving power battery energy utilization efficiency, reducing thermal runaway risk, as well as power…
One comparative analysis method of English comparative literature based on big data Bayesian method has been proposed to improve the calculation accuracy of comparative analysis process of English comparative literature. Firstly, one multilayer…
This article addresses the stabilization of chaotic characteristics in abnormal data by proposing chaotic correlation feature extraction of big data clustering based on the Internet of things. The chaotic features in big data usually show complex…
State of health estimation of power batteries is one of the key algorithms of the battery management systems, which is of great significance for improving power battery energy utilization efficiency, reducing thermal runaway risk, as well as power…
Locating underground pipeline leaks can be challenging due to their hidden nature and variable terrain conditions. To sample soil gas, solid-phase microextraction (SPME) was employed, and a portable gas chromatography/mass spectrometry (GC/MS) was…
Due to the lack of samples and concealed features, petroleum pipeline small leak detection is still a great challenge. In this paper, a method based on virtual sample generation (VSG) and unified feature extraction (UFE) techniques is proposed to…
One comparative analysis method of English comparative literature based on big data Bayesian method has been proposed to improve the calculation accuracy of comparative analysis process of English comparative literature. Firstly, one multilayer…
Locating underground pipeline leaks can be challenging due to their hidden nature and variable terrain conditions. To sample soil gas, solid-phase microextraction (SPME) was employed, and a portable gas chromatography/mass spectrometry (GC/MS) was…
Due to the lack of samples and concealed features, petroleum pipeline small leak detection is still a great challenge. In this paper, a method based on virtual sample generation (VSG) and unified feature extraction (UFE) techniques is proposed to…
A method for leak monitoring of metallic pipelines operating in the highly noisy environment of an oil refinery is proposed in this work, that can be utilized in industrial applications of similar nature. This method is based on evaluating a set of…
Natural gas pipeline leaks can cause serious hazards to natural gas transportation and pose considerable risks to the environment and the safety of residents. Therefore, feature extraction of pipeline signals is crucial in natural gas pipeline leak…
A method for leak monitoring of metallic pipelines operating in the highly noisy environment of an oil refinery is proposed in this work, that can be utilized in industrial applications of similar nature. This method is based on evaluating a set of…
Natural gas pipeline leaks can cause serious hazards to natural gas transportation and pose considerable risks to the environment and the safety of residents. Therefore, feature extraction of pipeline signals is crucial in natural gas pipeline leak…
Locating underground pipeline leaks can be challenging due to their hidden nature and variable terrain conditions. To sample soil gas, solid-phase microextraction (SPME) was employed, and a portable gas chromatography/mass spectrometry (GC/MS) was…
Due to the lack of samples and concealed features, petroleum pipeline small leak detection is still a great challenge. In this paper, a method based on virtual sample generation (VSG) and unified feature extraction (UFE) techniques is proposed to…
This article addresses the stabilization of chaotic characteristics in abnormal data by proposing chaotic correlation feature extraction of big data clustering based on the Internet of things. The chaotic features in big data usually show complex…
State of health estimation of power batteries is one of the key algorithms of the battery management systems, which is of great significance for improving power battery energy utilization efficiency, reducing thermal runaway risk, as well as power…
One comparative analysis method of English comparative literature based on big data Bayesian method has been proposed to improve the calculation accuracy of comparative analysis process of English comparative literature. Firstly, one multilayer…
This article addresses the stabilization of chaotic characteristics in abnormal data by proposing chaotic correlation feature extraction of big data clustering based on the Internet of things. The chaotic features in big data usually show complex…
State of health estimation of power batteries is one of the key algorithms of the battery management systems, which is of great significance for improving power battery energy utilization efficiency, reducing thermal runaway risk, as well as power…
Shengli lignite, a low-rank coal, was pretreated and oxidized with aqueous H2O2 and NaClO, respectively, to obtain an oxidation product. Both pretreated and un-pretreated oxidation products were sequentially extracted with diethyl ether and ethyl…
1 Scope This document specifies minimum requirements for materials exposed to sour environments as defined in ISO 15156 (all parts). It does not provide guidelines for material selection. The selection of suitable materials for a specific service…
1 Scope This document specifies requirements and provides recommendations and guidance for the design, construction, transportation, installation and decommissioning of offshore structures related to the activities of the petroleum and natural gas…
Volatile organic compounds (VOCs) are abundant in nature and can occur in various forms in a wide variety of sources. Petroleum is one of the major sources of VOCs. Petroleum being the most widely used energy resources of the world, often released to…
In this paper, the research progress on the extraction and analysis methods of petroleum hydrocarbon in water and sediment were reviewed. The principle, application scope, advantages, disadvantages and applications of various extraction methods and…
1 Scope This document specifies requirements for and gives guidance on the application of life cycle costing to create value for the development activities and operations associated with drilling, exploitation, processing and transport of petroleum,…
A technology has been developed for the production of low-carbon and microalloyed steel for the production of strips in order to manufacture medium-diameter pipes for the extraction and transportation of petroleum products, and it allows stable…
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…
A technology has been developed for the production of low-carbon and microalloyed steel for the production of strips in order to manufacture medium-diameter pipes for the extraction and transportation of petroleum products, and it allows stable…
CO2 flooding is now widely used as an enhanced oil recovery (EOR) technology and is also one of the most valuable CCUS processes. The interface characteristics of CO2 with crude oil and the rock matrix dynamically change during CO2 flooding. In this…
In this study, experimental and mathematical studies were carried out to investigate heavy oil production performance using the carbon dioxide (CO2) huff-n-puff process, as well as the potential of CO2 storage in abundant reservoirs. Five experiments…
Photoproducts can be formed rapidly in the initial phase of a marine oil spill. However, their toxicity is not well understood. In this study, oil was irradiated, chemically characterized, and tested for toxicity in three copepod species (Acartia…
Investigation on the use of diamondoids to assess the extent of thermal maturity, depositional environment, and origin of Niger Delta source rocks was carried out. This was done to evaluate the significant of diamondoids in petroleum exploration in…
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…
Abstract: The paper reports the results of the fractional extraction of petroleumasphaltenes using a toluene/acetone mixture. This method was shown to beeffective in extracting polyaromatic structures with various properties and inpredicting a number…
In this work, Huadian oil shale was extracted by water at 350, 365, and 385 C with a time series (2-100 h) under a closed system to better investigate the carbon isotope fractionation character and its use in predicting the oil recovery rate (ORR).…
This work describes the surface coating of wooden toothpicks with amino groups (NH2) for electrospray ionization mass spectrometry (MS) analysis of naphthenic acids (NAs) in produced water samples and crude oil fractions. NH2 was introduced into the…
Developing and deploying commercial-scale carbon dioxide (CO2) storage at a site requires operational strategies to manage pressure and CO2 plume distribution. In the natural gas storage and oil and gas industries, fluid extraction has been…
The extraction process of crude oil by supercritical CO2 was simulated in a high pressure extractor at 40, 50, 60 and 70 C, and at 20, 40 and 60 MPa in order to investigate the effect of temperature on oil recovery. The total recovery of oil…
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…
A method combining ultracentrifugation and cloud point extraction is proposed for the separation and determination of Fe, Ni and V porphyrins in crude oil. An emulsion containing about 200 mg of crude oil, 6% (w v1) of Triton X-100, 1.6% (v v1) of…
It is generally believed that asphaltenes and resins as the polar components in crude oil can get adsorbed at the oil/water interface and act as a surface active agents. However, due to the complex behavior of asphaltenes and resins, the…
In this study, the atomization blending property for heavy crude oil extraction was systematically investigated both numerically and experimentally. In the experiment conducted, the blending behavior was simulated using hydraulic oil and spray with…
It is generally accepted that asphaltenes are the main stabilizing agents of water-in-crude-oil emulsions. However, the phenomenon of formation and stabilization of the colloid is complex and requires further studies. In this work, interfacially…