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Research Papers: Petroleum Transport/Pipelines/Multiphase Flow

Total Cost Minimization of a High-Pressure Natural Gas Network

[+] Author and Article Information
F. Tabkhi, L. Pibouleau, S. Domenech

Laboratoire de Génie Chimique, UMR CNRS 5503, ENSIACET/INPT/UPS, 4 allée Emile Monso, BP 84234 31432, 31106 Toulouse Cedex 4, France

C. Azzaro-Pantel1

Laboratoire de Génie Chimique, UMR CNRS 5503, ENSIACET/INPT/UPS, 4 allée Emile Monso, BP 84234 31432, 31106 Toulouse Cedex 4, Francecatherine.azzaropantel@ensiacet.fr

1

Corresponding author.

J. Energy Resour. Technol 131(4), 043002 (Nov 12, 2009) (12 pages) doi:10.1115/1.4000325 History: Received March 05, 2008; Revised August 04, 2009; Published November 12, 2009; Online November 12, 2009

This paper deals with a high-pressure gas pipeline optimization, where the problem is to find the design properties of the pipelines and necessary compressor stations to satisfy customer requirements, using available supply gas and storage capacities. The considered objective function is the total annualized cost, including the investment and operating costs. The binary variables used to represent the flow direction of pipelines lead to a mixed integer nonlinear programming problem, solved by using the standard branch and bound solver in GAMS . The optimization strategy provides the main design parameters of the pipelines (diameters, pressures, and flow rates) and the characteristics of compressor stations (location, suction pressure, pressure ratio, station throughput, fuel consumption, and station power consumption) to satisfy customer requirements.

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Copyright © 2009 by American Society of Mechanical Engineers
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Figures

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Figure 2

Example of a pipeline section with six compression stations

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Figure 3

Natural gas transmission network from Ref. 2

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Figure 4

Stress in pipeline subjected to internal pressure due to gas flow

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Figure 5

A typical centrifugal compressor map

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Figure 6

Representation of the centrifugal compressor and its incorporated turbine

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Figure 1

Schematic view of the different parts of a natural gas delivery system

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