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Pilot Project for Acquisition System of Chromatograph Signals and Custody Measurements Via Web

[+] Author Affiliations
José Paulo Cerqueira de Santana

PETROBRAS Gás & Power BU, Rio de Janeiro, RJ, Brazil

Oséias Boettcher Fonseca

AC Engenharia e Sistemas, Rio de Janeiro, RJ, Brazil

Paper No. IPC2004-0169, pp. 2139-2146; 8 pages
  • 2004 International Pipeline Conference
  • 2004 International Pipeline Conference, Volumes 1, 2, and 3
  • Calgary, Alberta, Canada, October 4–8, 2004
  • Conference Sponsors: International Petroleum Technology Institute
  • ISBN: 0-7918-4176-6 | eISBN: 0-7918-3737-8
  • Copyright © 2004 by ASME


This article defines a very cheap alternative for acquisition of chromatograph signals and/or custody measurements in the process plants of oil and gas pipelines. The devices possess standards and diverse communication ports, demanding a modular architecture to acquire the values of the devices and provide the signals by Web/Intranet, using corporative network, dial-up PSTN line, leased line or cellular phone. This solution is applicable to sets of field devices that need to collect data in real time or in periods of time pre-configured and provide the information for visualization by a browser, load in a database or monitor the devices remotely by the supervision central. The architecture has the following characteristics: • Modularity; • Conversion of the out signal of the devices into standard Ethernet; • The Modbus-rtu is a network protocol; • Provide the signals by Web/Intranet; • Visualization of the signals in Browser; • Historical register of the data read in web Server devices; • Operational environment Windows 2000, Windows CE; • Configuration of the time of frequency of the equipments signals; • Allow integration with supervisory system; • Allow integration with corporative Data Base. To validate the architecture, we made tests in a Pilot Project, carried through in a PETROBRAS receiving station of Natural Gas, using the hardware and software components described in the article.

Copyright © 2004 by ASME
Topics: Measurement , Signals



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