Browse Items (100 total)

  • Tags: Process control

In terms of nature, the internal combustion engine is a kind of power machinery. Through the analysis of the maintenance operation flow of diesel locomotives and combined with the control principle of diesel locomotives, the key cost waste points in…

This paper concentrates on the methods and benefits of using adjustable frequency drives (AFDs) on synchronizing applications (primarily medium voltage): the use of one drive for separately starting and synchronizing multiple motors to a constant…

It is generally a few hundred to several thousand kilometers of long distance oil pipeline, and modern oil pipeline often adopt the close-line oil transportation, so the whole pipeline is a unified set of hydraulic system. Once the disturbance occurs…

The aim of this paper is to develop a method of intellectualizing information and measuring systems, designed to control the complex of parameters of sophisticated multiphase flows under uncertainty and its implementation by the example of creating…

This paper proposes a smart automated scheme to monitor and control various processes in oil refineries. The proposal aims to continuously collect data from oil tanks and pipelines, trigger alarm systems for any malfunction, apply effective solutions…

The introduction of microprocessor-based plant control occurred shortly before 1980 with simple single-loop controllers. This technology quickly evolved into a DCS with control processor redundancy, high-density input/output systems, and a human…

Dynamic thermal-hydraulic simulation models have been extensively used by process industry for decision support in sectors, such as power generation, mineral processing, pulp and paper, and oil and gas. Ever-growing competitiveness in the process…

This paper concentrates on the methods and benefits of using adjustable frequency drives (AFDs) on synchronizing applications (primarily medium voltage): the use of one drive for separately starting and synchronizing multiple motors to a constant…

Within industry today, advancements in process and control technologies have given way to differing control systems in the form of programmable logic controllers (PLC) and distributed control systems (DCS). Over the past decade, PLCs have now been…

It is demonstrated that a depropanizer distillation column can be controlled by a distributed control system coupled with product analyzers with a four-minute cycle time in an industrial environment. The primary objective of the control schemes is to…

The measurement and control system for a midstream plant differs from the downstream system. Flexible control and communication systems are required for the oil production wells in this type of plant. A specific measurement system is provided from…

Adjustable speed drives are widely used in the petroleum, chemical and pipeline industries for energy savings and process control optimization. Their output powers range from fractions of kilowatts through tens of megawatts, with motor speeds up to…

This article is devoted to improving the efficiency of regulation of technological processes in the oil and gas industry. Systems of automation and regulation of the processes of transport and oil treatment with various types of logical regulators…

There are varieties of constraints for a short-term scheduling problem of crude oil operations in a refinery. These constraints are difficult to model and complicate the short-term scheduling problem. Among them, oil residency time and high fusion…

It is generally a few hundred to several thousand kilometers of long distance oil pipeline, and modern oil pipeline often adopt the close-line oil transportation, so the whole pipeline is a unified set of hydraulic system. Once the disturbance occurs…

The object of investigation is Central Station of oil accumulation (CSA-2) of Urengoi oil, gas and condensate deposit (OGCD) designed for accumulating and preparing for transportation oil and passing gas of oil edges as well as for transport, storage…

The aim of this paper is to develop a method of intellectualizing information and measuring systems, designed to control the complex of parameters of sophisticated multiphase flows under uncertainty and its implementation by the example of creating…

The paper is aimed to develop a method of intellectualizing information-measuring systems. The paper presents a methodology, designed to provide a continuous measurement (every 0.2 s) of flow density and rate, as well as to allocate the paraffin…

The paper describes the difficulties of formalizing the processes of production, transportation and preparation of oil production of wells, particularly in the construction of a mathematical model. The process of creation of a SCADA system for…

Control loop performance assessment (CLPA) has attracted considerable interest in recent years. Several methods for CLPA are proposed by researchers in last decade. Statistical methods are one of most important methods in CLPA. This paper addresses…

Practical guides are discussed as to why a how computer control results in tangible economic benefits, what to look for in a candidate, and how to evaluate the benefits. Several examples are presented. The examples are drawn from varied processes…

Modular multivariable controllers use interconnections of single process variable-multiple control effort controllers (i.e. Coordinated Controllers) plus logic to control multiple, possibly constrained, process variables with multiple, constrained,…

The fault detection and diagnosis is very important for a security of control systems. In this paper, the author presents a fault diagnosis technique of process based on the correlation coefficient in process variables. The process diagnosis function…

Experimental evaluation of the active fault tolerant control scheme developed with state space models (innovations form) identified purely from input-output data is carried out in the present work. A key problem in fault diagnosis with identified…

This paper presents the control system of the pipeline loop leakage test system and describes the structure of the hardware and software of the control system. Field applications show that the control system not only can collect the parameters of the…

This paper describes successful and cost effective design & implementation of PC-based SCADA training system for the natural gas transmission and distribution industry. The design provides robust and automated environment for centralized control of a…

This article proposed a novel fracture control system for shale gas fracturing truck used in the construction, blender, equipment vehicles connected by a PLC control network, each equipment is contacted with automatic remote control unit, the…

In the field of upstream Oil and Gas, process control and automation systems have many constraints that are not imposed on systems that downstream refineries and chemical plants use. Upstream facilities are typically in remote locations that are…

Automated dispatch control systems (ADCS) is the main direction of development of process control systems in the oil and gas industry. Being part of the man-machine control systems, the development of ADCS is largely determined by new knowledge in…

The main objectives of this paper are to assess the impact of disturbances in a natural gas processing train in the upstream oil & gas fields and to validate a representative model which can be used for developing/testing a swift and anticipatory…

A method to support making decision in a undersea natural gas storage plant using Hotelling T2 is showed in this paper. The stationery work in this manufacture facilities during a few moths in a year involve a heavy duty service of gas diesel engines…

A city natural gas storage station control system is presented in this paper. It consists of a Station Control Center, a process control station used Rockwell PLC, two desiccators control station used Ormon PLC, three high pressure compressors…

Tank Gauging by DCS (Distributed Control System) is much more than just automated inventory management, it's about having more control over your fuelling operation, collecting accurate information from your sites with less effort and allowing you to…

It is generally a few hundred to several thousand kilometers of long distance oil pipeline, and modern oil pipeline often adopt the close-line oil transportation, so the whole pipeline is a unified set of hydraulic system. Once the disturbance occurs…

The introduction of microprocessor-based plant control occurred shortly before 1980 with simple single-loop controllers. This technology quickly evolved into a DCS with control processor redundancy, high-density input/output systems, and a human…

The object of investigation is Central Station of oil accumulation (CSA-2) of Urengoi oil, gas and condensate deposit (OGCD) designed for accumulating and preparing for transportation oil and passing gas of oil edges as well as for transport, storage…

Sustainability in design and operation of industrial processes has become a global issue in process engineering. Of late, there has been keen interest in operationalizing sustainability particularly in the oil and gas processing industries. One way…

Natural Gas is the cleanest source of fossil energy, resulting in lower carbon emissions from coal and oil. In gas processing, the process done to separate the product composition is the fractionation process. In the gas industry, facilities/parts…

Fractionation has been proven to be an efficient method among different methods that can be used in stabilizing natural gas condensate. In this paper, an issue of improving a process that stabilizes natural gas condensate is raised and different…

The control of gas fractionation unit (GFU) in petroleum industry is very difficult due to multivariable characteristics and a large time delay. PID controllers are still applied in most industry processes. However, the traditional PID control has…

1,8-cineole and -pinene are the main constituents of eucalyptus essential oil and important medicine and chemical raw materials. The primary eucalyptus essential oil was refined by short-range molecular distillation, and the separation…

Objective: Sampling and analysis of sour gas is hazardous and can lead to fatality if appropriate safety precautions are not taken. Similarly if improper technique or instrument is used for measurement, it might lead to high error and the results…

The vapors produced from pine wood using an intermediate auger pyrolysis process under various sweeping gas flow rates were condensed by three temperature-controlled condensers and analyzed. Increasing sweeping gas flow rate from 20 to 40 L/min did…

The fermentation process for tea seed oil production is a brand-new process for vegetable oil production, which is mainly composed of 4 parts: cleaning and soaking of tea seed, pulp refining processing of tea seed by adding water, fermenting of tea…

We present results from a comprehensive investigation of the rheological responses of the gelled waxy crude oils during the yielding transition process by both stress-controlled and strain-controlled tests. If the deformation is within the linear…

Fire flooding process has been applied to the thick and deep heavy oil reservoirs G3618 and G3 in Liaohe oil field in China. Currently, there are two main operating issues: the serious combustion front gravity override, and the low areal sweep…

Using industrial machines, magnetic sub-level transmitter, AI Artificial Intelligence regulator, Germany HERION solenoid valve for the hardware platform, and KingSCADA configuration software for software platform, constituting Crude Oil…

The excess air coefficient in the per-chamber, which is related to ignition, is influenced by the cranking speed in natural gas marine engines during its starting process. In order to solve the starting issue of ACD320 medium speed natural gas marine…

Several medium to large gas fields have been discovered in the deep-water area of the Qiongdongnan Basin, but their accumulation mechanism and dynamic process are still in dispute and have constrain oil and gas exploration in this area. Through…
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