Imbalanced data become an obstacle in data mining nowadays, minority class sometimes are more important than majority class, just like in medical diagnosis, credit card fraud and etc. This paper focuses on the imbalanced data problem that adaboost…
The feed, temperature, pressure and other conditions of the catalytic cracking main fractionator will have an impact on the output of gasoline and diesel. From the perspective of economic efficiency and technology, it is so necessary to establish a…
In a shifting energy landscape, organizations are incorporating energy impacts into strategic decision making. Conventional approaches such as life-cycle assessment and net present value are useful in this regard but are not without limitations. This…
Lithology recognition is an essential part of reservoir parameter prediction. Compared to conventional algorithms, deep learning that needs a large amount of training data as support can extract features automatically. In the process of real data…
Refineries are giant industrial facilities where tons of crude oil is turned into fuel oil and other chemical by-products through different chemical processes every day. In this article, we discuss big data problems specifically obserbed in…
Petroleum industries' big data characterize heterogeneity and they are often multidimensional in nature. In the recent past, explorers narrate petroleum system, as an ecosystem, in which elements and processes are constantly interacted and…
The development and maturity of the big data technology is a great opportunity for the oil and gas industry. It provides a new way to solve many problems which puzzle the oil and gas exploration. At the same time it is also a huge challenge.…
Petroleum geoscience big data is defined in this paper. CPU/GPU hybrid system is used to try to accelerate computing speed of petroleum geoscience big data using chaotic quantum particle swarm optimization (CQPSO) inversion method as an example, and…
For the detection of cracks and corrosion in pipelines an ultrasonic measuring system (pig) was developed. During the pipeline inspection there is no communication to the outside world, the accumulated data have to be stored on a mass storage device.…
A system to detect the corrosion of submarine oil pipeline is introduced, it got the original data by 3 groups ultrasonic sensors and flux leakage sensors. We made multiscale wavelet transform and frequency analysis to multichannels original data and…
Corrosion detector using an array of planar Cu electrodes is demonstrated. The planar Cu electrodes are patterned from commercially available single-sided printed circuit board (PCB). The ten electrodes exhibit anodic and cathodic characteristics by…
A system to detect the corrosion of submarine oil pipeline is introduced, it got the original data by 3 groups ultrasonic sensors and flux leakage sensors. We made multiscale wavelet transform and frequency analysis to multichannels original data and…
A system to detect the corrosion of submarine oil pipeline is introduced, it got the original data by 3 groups ultrasonic sensors and flux leakage sensors. We made multiscale wavelet transform and frequency analysis to multichannels original data and…
The climate change and various pollutions have been influencing our societies and economies. The environmental assessment, to be discussed in this study, is increasingly important because it serves as an initial step toward pollution prevention.…
Crude oil contamination in soils, freshwater, seawater and sediments may occur during petroleum extraction, transport and processing. Ecosystems are negatively impacted by hydrocarbon pollution. Bioremediation represents an environmentally…
Innovation and Technology go hand in hand within the petroleum and petrochemical industry. Oil price volatility, geopolitics, and economic uncertainty, all contribute towards the continued need to innovate and technologically advance if petroleum and…
To simulate and predict the appropriate indices for algal blooms and petroleum pollution, this study combined remote sensing data and models of Machine Learning ML for the Aqaba Gulf’s condition. For algal blooms indication
Leakage accidents in oil transmission pipelines not only cause loss of material, but also bring about hidden troubles for people's property and the environment. Pipeline leakage accidents occur frequently in recent years, particularly in those…
With the increase of the age of the transport oil pipeline, leakages caused by corruption are often found. The public is paying more and more attention to the problems of environmental pollution and economic loss brought by leakage, so a detection…
In order to put an end to rampancy rob oil, reduce losses and protect normal work of oil management department, it is necessary to detect the occurrence of leak immediately and locate the exact leak position. For negative pressure cause by leak will…
Well casing integrity is vital for the safe operations of oil wells, and also significant to detect well casing defects. Magnetic Flux Leakage (MFL) Detection Technology is widely-used in detecting the defects of various pipelines. Owing to the very…
Modern SCADA systems have many sophisticated features, such as distributed architecture, distributed database, GUI interfaces, intelligent RTUs, etc. that are the results of advances in many technologies. Oil pipeline SCADA systems provide operators…
Because of kinds of regulating commands, Oil and gas pipelines in operation can occasionally generate a series of conditions consisting of stopping transportation, starting transportation, distribution, increment, internal pump regulation of single…
For the method of magnetic flux leakage testing, the evaluation of test results is based on the detected signals. The quality of evaluation is affected by the quality of the signals. The signals of magnetic flux leakage are often influenced by…
The control and managing of pipelines have been assuming a major importance for all kinds of fluids to be conveyed through. When the fluid is like oil, harmful liquid and/or water for human beings necessity, the monitoring of pipelines becomes…
The use of minicomputers as part of a product metering system is new and relatively expensive. The use of minicomputers is discussed from the following: 1) its advantage, practical limitations and disadvantages
The risk for accidental leaks of hydrocarbons from pipelines on the seabed is expected to increase due to mainly corrosion effects. To assure uninterrupted hydrocarbon production, and to avoid conflicts with expected more strict environmental…
Through a comprehensive and aggressive research program, the Consolidated Edison Company of New York, Inc. (Con Edison) has designed, developed and installed several new products to address the environmental impact of leaked dielectric fluid from…
Since the pressure fluctuation signals are masked by noise and can not be detected, the oil pipeline leakage detection method is not satisfactory on small leakage problem, without more accurate warning and location. This paper uses discrete wavelet…
Field-pipeline operations are more easily affected by complex environment in comparison of common long-distance pipeline. Its failures such as leakage demand to be dealt with more urgently and efficiently. This paper proposes a leakage detection…
Monitoring oil transporting pipelines is an important task for economical and safe operation, loss prevention, and environmental protection from crude oil emission. The leak detection of oil pipelines, therefore, plays a key role in the overall…
Temperature and pressure variations have important significance in environmental protection and safety operation of oil reservoir in salt caverns. Shrinkage of salt caverns, effect of permeability and fluid thermal pressurization rate were discussed…
As the size of motors being manufactured increases, the issue of motor cooling becomes more and more critical. The high ambient temperature and the severe corrosive environment of many locations in the Chemical, Oil & Gas (COG) industry, in addition…
A pipeline detection & location system with 2% resolution of the total flow was designed and widely applied in long range crude and product oil transmission pipeline in China. It responses to a leak in 3 minutes and its location precision is lower…
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…
In the report the problem leakage detection of petroleum and gas from trunking pipelines is solved. The basic questions for the detection of the fact of occurrence of leakage and definition of a place of its occurrence are presented. Their…
Since the high accuracy of the leakage detection can not be achieved at present, singularity analysis based on wavelet transform is adopted to analyze the pressure signals of the oil pipeline and then get the singularity points. To locate the…
Frequently occurred oil leaking accidents can induce significant damage to the ocean ecosystem and environment. Integrated buoy sensing, which functions as a tool for periodically monitoring oil existence, plays an essential role in oil leakage…
A VLSI implementation of a data acquisition system processor for failure detection and location inside oil pipelines is presented. The DAQP02 prototype is capable of reading and storing information inside pipelines. With support for two analog…
According to the problems of pipeline leak detection existed in oil transport, a testing and positioning method based on wavelet packet and BP neural network is proposed. A Db4 wavelet packet is used to filter the noises of pressure signals, and…
As negative pressure wave is applied to leak detection and location of natural gas pipeline, the key is how to realize accurate measurement of propagation velocity of pressure wave and time difference. However, there exists problem of lower accuracy…
The integrity of oil pipeline is always a major concern to the operators and public, so the supervisory control and data acquisition system have become a essential part of modern long distance oil pipeline operations today. The general framework of…
Leak detection of oil pipelines is an important issue for safe operation of pipelines, reducing oil loss and environmental pollution. A new approach based on principal component analysis (PCA) method to detect leaks of oil pipelines is proposed in…
Leak detection in oil pipelines is important for safe operation of pipelines. Negative Pressure Wave (NPW) in pressure curve can be an indication of leakage of a pipeline. In this paper, we propose to use the support vector machine (SVM) learning to…
This work proposes a leak detection system using sonic technology, wavelet transform and neural networks to decompose and analyze pressure signals from oil pipelines in real time. The similarity between pressure and sound signals makes it possible to…
This paper introduces a practical teleoperated manipulator under nuclear radioactive environments. The system, called RoboSource herein, is designed to perform the leak detection of sealed gamma and neutron radioactive sources used for oil well…
In the case of aerial accident spreading out dangerous gases into the atmosphere, an instrument called electronic nose can warn about the beginning of petroleum derived leaks. In this paper we present the architecture of the neural network for…
The monitoring of oil pipeline is an important task for economical and safe operation, loss prevention and environmental protection from crude oil emission. A leak detection of oil pipeline, therefore, plays a key role in the overall integrity…
This paper describes an automatic oil leak detection system which can detect accidental oil leaks at an early stage by continuously and remotely monitoring the underground tank that stores oil for standby engine generators. The engine generator is a…
A novel sensor-based approach for leak detection of oil pipeline is proposed. The approach uses piezoelectric sensor in dynamic pressure transducer. The key to the detection algorithm is the use of the characteristic of piezoelectric sensor: when…