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Keywords: accuracy
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Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 7–10, 2024
Paper Number: PSIG-2410
... drawn regarding the novel application of the Padé approximation method. fuzzy logic equation piping simulation approximation slug catcher piping design psig 2410 accuracy expansion pipeline numerator artificial intelligence denominator frequency matt lubomirsky psig 2410 novel...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 7–10, 2024
Paper Number: PSIG-2416
..., scheduling, and future expansions. compressed natural gas (cng) psig 2416 modeling & simulation southwest oil operation accurate simulation model accuracy zhixiang dai simulation petro china southwest oil simulation software yuanyuan tian guangtao yang customer ying liu jay zhang...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 7–10, 2024
Paper Number: PSIG-2417
... accuracy of the model, allowing it to adapt to varying conditions. Furthermore, it moves away from the necessity of employing multiple models, each fine-tuned with distinct coefficients, to accommodate diverse environmental circumstances effectively. pipeline leak detection accuracy algorithm...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 7–10, 2024
Paper Number: PSIG-2428
... these challenges and how to address them. Equations of state play a pivotal role in accurate CO 2 pipeline simulation and this paper explores the important equations of state employed for the modelling of CO 2 behaviour. The paper compares the equation accuracies against an operational case study pipeline...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 16–19, 2023
Paper Number: PSIG-2310
... pipeline the accuracies of different equations of state will be investigated. These equations will then be compared against different hydrogen blends and hydrogen synthetic fuels to determine their suitability. The benefits of the real-time system will then be examined including the benefits of gas quality...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 10–13, 2022
Paper Number: PSIG-2201
..., the thermodynamic equilibrium conditions for various gas mixtures are gathered from the literature. This is done to maintain the accuracy with the real-time conditions that could encounter in the pipelines. These data points are used for the development of a statistical model. This model is validated...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 14–17, 2019
Paper Number: PSIG-1914
... information heating value gas composition consumer accuracy midstream oil & gas transmission system pipeline composition psig 1914 configuration liquified natural gas giannato psig 1914 simulation interest group allocation model gas monetization © Copyright 2019, PSIG, Inc. This paper...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 14–17, 2019
Paper Number: PSIG-1923
... design time step derivative richard myer psig 1923 piping simulation midstream oil & gas local extrapolation psig 1923 pipe equation approximation compressor amplification factor backward difference single pipe pipe example accuracy oscillation output pressure © Copyright 2019...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 10–13, 2016
Paper Number: PSIG-1621
... jason modisette psig 1621 scenario subdivision mesh tolerance psig 1621 equation accuracy pipeline upstream oil & gas reservoir surveillance adaptive mesh production control pipe mesh point reservoir simulation adaptive spatial mesh temperature front refinement knot...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 12–15, 2015
Paper Number: PSIG-1502
... of the decision tree (leaf), there would be a number of potential consequences to address. The particular leak detection methodology under evaluation would be examined for its ability to mitigate these consequences in terms of the technology s sensitivity and accuracy (as defined in the API 1130 standard...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 12–15, 2015
Paper Number: PSIG-1514
... differential equations of hyperbolic type is conducted. The appropriateness of the schemes with respect to accuracy, programming effort, flexibility of the incorporation of nonpipe elements is evaluated. The main goal of the analysis is to choose the most effective scheme for transient simulation of large...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 12–15, 2015
Paper Number: PSIG-1525
... on certain parameters. In this paper, artificial neural networks (ANN) are used to predict future hourly natural gas loads with up to 95% accuracy. The ANN model is trained based on multiple parameters, for example, gas load historical pattern, weather pattern, calendar effect, etc. for different seasonal...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, April 16–19, 2013
Paper Number: PSIG-1302
... requirements for control systems are: high sensitivity ; accuracy of the leak location; absence of false detections; high degree of reliability; profitability. Many methods that use a variety of principles (even considering biolocation) exist, but around the world, the most common are methods, based...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, April 16–19, 2013
Paper Number: PSIG-1303
... detection production monitoring sensitivity midstream oil & gas leak size location accuracy cable leak detection system pipeline detection time production control production logging statistical analysis upstream oil & gas leak detection technology pressure wave reservoir...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, April 16–19, 2013
Paper Number: PSIG-1305
... available code demonstrated to be able to predict pressure drop and temperature development with high accuracy. Viscosity is considerably less important but starts to influence frictional pressure drop at lower Reynolds number Correct prediction of viscosity will be more important in transient...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, April 16–19, 2013
Paper Number: PSIG-1320
... Notification of off-specification deliveries A comparison of some of the characteristics and typical settings of the new PMS and the previous system are presented to add understanding of how these benefits arise. To illustrate how the required accuracy of the PMS can be achieved without any subsea...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 15–18, 2012
Paper Number: PSIG-1201
... pipeline and a few wrong turns in the decision making process can end up being very costly. It is easy to say " I want a leak detection system capable of detecting a ten gallon spill in less than a minute, locating it within an accuracy of 10 feet ". It might even be possible to install a system that can...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 15–18, 2012
Paper Number: PSIG-1212
... ABSTRACT: GASSCO transports approximately 100 billion standard cubic meters (3.5 10·MMSCF) of Norwegian natural gas to the European market through nearly 8000km (5000 miles) of large diameter high-pressure subsea pipelines each year. The two key accuracy requirements of the pipeline network...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 24–27, 2011
Paper Number: PSIG-1120
... (in time and in space) in a pipeline with unbalanced in-flows and out-flows, this model provides explicit formulas to understand qualitatively, and to quantify the multiple phenomena at stake. Intensive comparisons with the commercial software SIMONE1 proved the accuracy of this approach. INTRODUCTION...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 12–15, 2009
Paper Number: PSIG-0901
... are typically 200 560 miles long, and the gas temperature is only measured at the inlet and outlet. Consequently, the calculated gas temperature along the pipeline depends on the accuracy of the assumed ambient temperature and the estimated heat transfer. This paper mainly focuses on heat transfer modeling...

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