With the development of pipeline integrity management, testing and evaluation of the oil and gas pipelines inner wall coating receives more and more attention. This system is designed based on the detection of the pipe wall coating, moving car…
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…
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…
Gas pipeline leakage will lead to great economic losses. So, the study of leak detection on gas pipelines is very important. A leak detection method based on Hilbert-Huang transform (HHT) has been proposed. First, the signal is transformed via HHT,…
Work on the UK's first trials of metropolitan area network (MAN) technology, carried out during 1992, is described. The MAN technology is being used to try a new BT high-speed data service offering known as the switched high-speed data service…
In the log interpretation, it is an important task to research difference of the logging signal of different reservoir with mathematics comprehensively and accurately, so as to identify the fluid property of reservoir. The statistical trait of…
Routine dehydration can't be satisfied the practical demand because of the heavier, the higher salinity and the more seriously demulsification of oil. The factors affecting the desalting and dewatering during the ultrasonic pretreatment of crude oil…
Routine dehydration can't be satisfied the practical demand because of the heavier, the higher salinity and the more seriously demulsification of oil. The factors affecting the desalting and dewatering during the ultrasonic pretreatment of crude oil…
In the pipeline leakage detection and location, what we need to know is whether the pipe is leaky and where the leakage point is. In addition, we are very concerned about the extent of leakage, false alarm rate and missing alarm rate. Both…
Pipeline transportation is the main way of crude oil and product oil transportation, pipeline leak detection and positioning in time is very important to safe operation of the pipeline. The currently existing leak detection methods based on negative…
Stratified Tubular Structures (STSs), such as pipeline, are extensively adopted in such engineering fields as nuclear, petroleum, chemical and aerospace, etc. Wall-thinning Defects (WTDs) are usually found within in-service STSs, and taken as…
Buried oil pipe third party damage (TPD) source location affected by the propagation mode characteristic and noise, a method to locate the pipe damaging source based on empirical mode decomposition (EMD) is presented. Through EMD analysis, TPD…
For the complex inter-relationship between the floating bodies relative position and pose in the oil supplies system, a stepwise automated docking system is proposed in this paper. The forward kinematics and inverse kinematics model mechanism for…
The main frame is a part of Marine Tensioner, which is used on the ship of laying oil pipeline in deep sea. The structural strength of the main frame must meet the requirements of Marine Tensioner, because its working load is larger. Analyzing the…
A novel noninvasive approach to the on-line flow regime identification for wet gas flow in a horizontally mounted pipeline is proposed in this paper. Research into the flow-induced vibration response for the wet gas flow with the conditions of pipe…
It is noted that petroleum engineering departments across the country have experienced whiplash in their enrollments in the past decade, going from 10800 undergraduates to 1419 in the span of five years. The industry and student enrollments are…
Based the experiment of gas-liquid two-phase flow in horizontal pipes, a lot of datas of pressure, pressure difference were analyzed statistically, obtained and summarized the characteristics of probability density function (PSD) and power spectral…
Routine dehydration can't be satisfied the practical demand because of the heavier, the higher salinity and the more seriously demulsification of oil. The factors affecting the desalting and dewatering during the ultrasonic pretreatment of crude oil…
With the development of pipeline integrity management, testing and evaluation of the oil and gas pipelines inner wall coating receives more and more attention. This system is designed based on the detection of the pipe wall coating, moving car…
Dynamic modeling and its analysis for the PIG (pipeline inspection gauge) flow through a 90/spl deg/ curved pipe with compressible and unsteady flow are studied. The PIG dynamics model is derived by using a Lagrange equation under the assumption that…
In order to explore the motion law of oil spill to conduct cleaning, simulation for submarine oil spill based on wave motion is carried out by user defined function and volume of fluid in FLUENT, and the dispersion and diffusion of oil spill in deep…
The present oil spill models are usually based on sea surface, while few of them are for submarine oil spill. Therefore, modeling and simulation for submarine pipeline oil spill is discussed by FLUENT in this paper to forecast the trajectory of oil.…
In the pipeline leakage detection and location, what we need to know is whether the pipe is leaky and where the leakage point is. In addition, we are very concerned about the extent of leakage, false alarm rate and missing alarm rate. Both…
This paper reviewed the methods, which calculate the pull strength during directional drilling crossing construction of oil pipeline, both at home and aboard. And based on the analysis of these methods, the detailed research was given. At the same…
In order to analyze fluctuation characteristics in ABS braking pipelines, obtain the controlling parameters during braking and improve control quality, bench tests of fluctuation load device were carried on. When 160N braking force and 320N braking…
A 5 kW gasoline generator was converted into gas generator that could run on pipeline natural gas. A fire-restrain device and pressure reducer are designed to ensure safety. The measures such as increasing the compression ratio, enlarging spark…
The size of hydraulic pipeline affects the energy loss when the power transmits through it, and it affects the volume and the weight of pipe directly. Based on the principle of saving energy sources, the paper introduces the method of optimization…
Seabed oil pipelines are kinds of complex material. During the maintenance and repair of Seabed oil pipelines which need cut off when they are breakage, and it is very difficult to complete the task with common underwater cutting ways. For cutting…
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…
This paper presents a new approach for petroleum pipeline data prediction. In order to obtain correlation coefficient matrix of variables of petroleum pipeline monitoring data monthly, a novel method of matrix rotation-generalized regression neural…
Pipeline transportation is the main way of crude oil and product oil transportation, pipeline leak detection and positioning in time is very important to safe operation of the pipeline. The currently existing leak detection methods based on negative…
The paper describes education programs which deal with engineering and policies that originated in United States. The programs train engineers to solve problems that lie at the junction of technology, society, and Politics. In addition to technical…
Research on Changing characteristics of carbon emissions and their driving factors in provincial areas are significant for carbon emission control and reduction policies' formulation. In this paper, the changing feature of total carbon emissions,…
This paper denotes the gas pipeline's risk degree by expectation wealth loss. We propose to classify the events that result in pipelines accidents according to independency principle and partition this kind of events into exclusive small events. The…
Conflicts, geo-political crises, terrorist attacks, or natural disasters can turn large parts of energy distribution networks off-line, creating unexpected congestion in the remaining infrastructure. Given the importance of the security of natural…
This article through a literature review of LNG vessel from the earliest stage through to the present-day industry, examine the technical developments on LNG fleet, cargo containment systems, main propulsion systems and other new possible technique…
Nowadays, most of the analysis of the explosion of und erground gas pipeline consequences did not consider the tunnel's covering ground conditions. In this paper,the risk are analyzed w ith considering and without considering of covering rock layer…
A new laboratory experience for mechanical engineering students in an industrial setting has been effective. Forty-five junior mechanical engineering students in the spring of 1990 and 40 junior mechanical engineering students in the spring of 1991…
Methane hydrate is considered an excellent way of transporting and storing natural gas in large quantities. However, when methane hydrate is formed artificially, the amount of consumed gas is relatively low due to a slow reaction rate between water…
The technology for practical, short-range electric commuter vehicles (EVs) is here now! The ChargeCar project at Carnegie Mellon University aims to exploit today's technology to make efficient, clean, quiet, commuter electric vehicles available to…
Fuel consumption and air pollution caused by transportation is becoming more and more serious. Developing an effective meso model to analyze dynamically the temporal and spatial distribution of fuel consumption in the urban road network has become a…
Oil pipeline could be clogged by congealed oil products, due to low temperature. Thus, the distinct pressure difference around the plugged pipe section can be used to detect pipeline clogging, and the decompression wave of water hammer is put forward…
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…
Water content in crude oil is a very important data in oilfield production logging system. It is also an indispensable parameter for the research of its development prospect. During the process of exploitation, storage and transportation of oilfield,…
The reciprocating gas compressor is the core equipment used to gather and transport offshore oil and gas. The BOP-X-2502A/B/C type compressor groups, which are marine large-scaled high-pressure reciprocating gas compressor groups on BZ28-2SBOP…
The U.S. transportation sector consumes approximately 14 million barrels of petroleum every day, which is more than the total oil consumption of any other nation in the world. The most prominent sustainable solution to profoundly reduce both oil…
In recent years, for the investigation of traffic-flow dynamics on complex networks, many existing works have focused on improving the networks resilience of congestion to enhance the transport capacity of the networks. The study in this direction…
Energy is Chinese colleges and universities teaching, scientific research, teachers and students necessary life important material foundation, Chinese universities energy management of category is coal, natural gas, water, electricity, petroleum…
The particularity of river-traversing oil pipeline in the process of design, construction and maintenance is always ignored in the integrity assessment of the total pipeline. The pipeline tends to be wrecked, eroded or misoperated by the third party.…