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Keywords: line pack
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Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 16–19, 2023
Paper Number: PSIG-2314
..., such as: How to time ramping up- and down- injection of gas to guarantee a healthy intra-day line-pack which meets both pressure constraints and gas-extraction patterns? We report simulation results and utilize monotonicity properties of the natural gas flows which render robustness of our conclusions...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 10–13, 2016
Paper Number: PSIG-1619
.... Utilizing the spreadsheet as a tool of calculation, the used by authors isline pack calculation approach. From mass conservation we calculated line pack, then we had delta line pack from which we got the average pressure, and table we could obtain the values from table iteration. They later were used...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, April 16–19, 2013
Paper Number: PSIG-1311
..., such as throughput and spot market delivery optimization. Compared to mainstream Transient Optimization techniques, DRTO clearly presents a simplified approach. consumption requirement line pack forecast prediction horizon optimization problem simulator mpc linear model real-time optimization...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, April 16–19, 2013
Paper Number: PSIG-1319
... ABSTRACT This paper discusses different tasks and optimization criteria (e.g., minimum costs, prescribed line pack, maximum flow, etc.) together with optimization methods used in the Slovak gas transmission network. The optimizations are based mainly on dynamic programming and evolutionary...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, October 23–26, 2007
Paper Number: PSIG-0710
... psig 0710 average pressure temperature shift formula differential equation resistance equation pressure drop time constant upstream oil & gas temperature time line pack simulation relation PSIG 0710 Gas Transport Pipe Dr. Tom van der Hoeven Senior Consultant at GasTerra P.O. Box 477...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, October 15–17, 2003
Paper Number: PSIG-03A2
... because the remaining compressor is not able to reach the de- sired discharge pressure of 104.6 bara (1517 psia) due to power limitation (Figure 3). Consequently, the pipeline outlet pressure at the city gate starts to fall (Figure 4). The line pack (volume of gas stored in the pipe or inventory...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, October 17–19, 2001
Paper Number: PSIG-0101
... station unit sequencing, load forecasts, unit outages, line pack targets, and storage field capabilities. The rules are constructed to avoid over-cycling of units and other "over control" common to automated procedures. The "Auto-PM" rules are currently being enhanced to take into consideration swings...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, October 28–30, 1998
Paper Number: PSIG-9810
... midstream oil & gas modeling & simulation measurement and control concentration survival time delivery pressure compressor gas pipeline scada system application information simulation model pipeline network line pack model building scada operator valve pipeline two...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, October 19–20, 1989
Paper Number: PSIG-8908
.... This method can provide a highly accurate means of detecting leaks in a liquid or gas pipeline. This method of leak detection comes in various forms but the basic principles are the same. The modelled state of the pipeline is used to determine the change in line pack between flow measurements...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, October 22–23, 1987
Paper Number: PSIG-8707
... these conditions t h a t "flow i n " no longer equals "flow o u t " . Also notice t h a t the t o t a l system line pack i s increasing since u n t i l the pressure wave reaches the upstream end of the pipe, the flow i n t o the system exceeds the flow o u t o f the system, hence the system can be said t o...

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