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Keywords: valve
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Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 7–10, 2024
Paper Number: PSIG-2407
... cooldown effects are also discussed. pipeline pipeline stand-up pressure test pipeline leak detection psig 2407 integrity reliable method noorallah rostamy operation mainline valve process vladimir grinfeld leakage measurement and control valve equation transmitter randy rhoade psig...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 16–19, 2023
Paper Number: PSIG-2319
... considerations in a familiar visual environment. controller simulating scada system measurement and control psig 2319 united states government valve midstream oil & gas scada scenario synergi application software training interface simulation operation pipeline rupture flowrate hms...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 16–19, 2023
Paper Number: PSIG-2302
... Abstract Transient surge pressures of a system with parallel pipes are dependent on the simulation setup of the check valve closing times installed on the parallel pipes. Applying an identical closing time for the parallel check valves can create different surge pressures due to uneven flow...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 10–13, 2022
Paper Number: PSIG-2202
...PSIG 2202 Modeling Check Valve Closure Behaviors during Transients in Pipelines Guohua Li1, Daniel Tillema1, Michelle Moyer1, Hamid Bidmus1 1 DNV © Copyright 2022, PSIG, Inc. This paper was prepared for presentation at the PSIG Annual Meeting held in San Diego, California, 10 May 13 May 2022...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 3–7, 2021
Paper Number: PSIG-2114
... for presentation at the PSIG Annual Meeting to be held virtually on 3 marine hoses, the loading system operates in a tandem May 7 May 2021. configuration, where potential surge pressures are dominant upon closure of a valve. When the liquid flow is delivered This paper was selected for presentation by the PSIG...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 14–17, 2019
Paper Number: PSIG-1909
... the resulting stresses. Events such as rapid PERC (powered emergency release coupling) closures, Emergency Shut Downs (ESDs), valve operations, and pump trips can all create transient effects. Consequences can include excessive surge pressures which in turn lead to increased pipe stresses and structural loads...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 14–17, 2019
Paper Number: PSIG-1929
.... There are some seven block valve stations along the pipeline route. Figures Figure 1 andFigure 2 show the Pipeline Route and Schematic, respectively. Table 1 details the location and elevation of the valves and pumping stations. Note that all figures are repeated in a larger format at the end of this document...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 15–18, 2018
Paper Number: PSIG-1803
... in flow rate due to leaks. The hydraulic simulation of these rapid transients requires a mathematical model capable of modelling the detailed rarefaction wave. This also enables the accurate analysis of the impact of sequential valve closures along the pipeline. To minimize potential flow interruptions...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 15–18, 2018
Paper Number: PSIG-1808
... acknowledgment of where and by whom the paper was presented. Write Librarian, Pipeline Simulation Interest Group, 945 McKinney, Suite #106, Houston, TX 77002, USA [email protected]. ABSTRACT In order to prevent overpressure in a liquid pipeline system, typical mitigation measures include increasing the valve...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 15–18, 2018
Paper Number: PSIG-1813
... compressor unit simulation interest group centrifugal compressor station hot gas bypass line centrifugal compressor transient surge analysis compressors engines and turbines midstream oil & gas vent valve compressor station compressor augusto garcia-hernandez modeling upstream...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 15–18, 2018
Paper Number: PSIG-1815
..., the lack of specific non-linear elements that appear in the calculation model. This is the case with control systems (control valves) that are connected to measuring systems. Currently mounted measuring systems are based on ultrasonic measurement systems. Such measurement characteristic is that the flow...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 15–18, 2018
Paper Number: PSIG-1817
... in dynamic pressure fluctuations throughout piping during AIV events can be made by changes in valve geometry and piping configurations. Results of CFD modeling and analysis demonstrate that computational analysis can be used to evaluate mitigation strategies and suggest that the use of a dampener...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 9–12, 2017
Paper Number: PSIG-1706
... during the lifetime of the system. Dependent variables include the characteristics of the fluid, the piping geometry, pressure reducing valves, operating conditions and nature of the events, scenarios and flow rates. Various modeling tools exist to provide reliable predictions and cost-effective...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 9–12, 2017
Paper Number: PSIG-1709
... the paper was presented. Write Librarian, Pipeline Simulation Interest Group, 945 McKinney, Suite #106, Houston, TX 77002, USA [email protected]. ABSTRACT When designing a piping system, normally the inherent control valve characteristics, e.g. linear or equal percentage valve opening/closing curves...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 10–13, 2016
Paper Number: PSIG-1606
... measured in centipoise (CP). Kinematic Viscosity (ν) – is a measure of the time required for a given volume of liquid to flow through an orifice or restriction. Often measure in Centistokes (CST). relief valve heavy crude closure software psig 1606 heat transfer coefficient reservoir...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 10–13, 2016
Paper Number: PSIG-1607
... equation of state heat transfer model production logging liquid system viscosity fitting isothermal production control isothermal fluid modeling psig 1607 production monitoring modeling & simulation consideration pipeline pipe length manifold reservoir surveillance valve...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 10–13, 2016
Paper Number: PSIG-1622
... column separation valve coefficient entrapped air pipeline network water pipeline system water system equation oil sand engineering psig 1622 pipeline bitumen modeling surge event water distribution pipeline complex reservoir valve upstream oil & gas surge pressure hammer...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 12–15, 2015
Paper Number: PSIG-1503
..., 5,878 miles (9,460 km) of crude pipelines and 1,367 miles (2,200 km) of LPG pipeline the pipeline network in India is growing in parallel with its oil industry. physical inspection rttm model piping design terminal valve knowledge management pipeline leak pipeline shutdown condition...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 12–15, 2015
Paper Number: PSIG-1515
... Abstract This article deals with the gas reservoir and the blow-off pipe as a unit. Implicit relations for sonic and subsonic outflows through pipes of any length are presented. Explicit approximate relations are provided as well. The formulas have been applied to determine valve influence...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 6–9, 2014
Paper Number: PSIG-1408
... ABSTRACT The pressure drop of gas in a long pipeline after its rupture can be described by similar equations as the temperature changes in a cooled wire. The heat models are suitable for the location of a rupture. Depending on the state of valves and the position of measuring devices, four...

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