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Keywords: algorithm
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Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 3–7, 2021
Paper Number: PSIG-2102
... safe operation. Any improvement in leak detection technologies to increase the accuracy and sensitivity while eliminating false leak and rupture alerts will protect the environment and assure hazard-free operation. Data mining algorithms are widely used in many industries, including the energy...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 3–7, 2021
Paper Number: PSIG-2109
... algorithms are trained on a large dataset (more than 1400 data points) of critical velocities in single-phase carrier fluid that is collected from open source: articles and dissertations. The trained algorithms are Elastic Net, Support Vector Machine, Random Forest, and Extreme Gradient Boosting Decision...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 3–7, 2021
Paper Number: PSIG-2105
.... Just as important, the results keep the network within operating boundaries. To scale the solution for large networks, interpolation and machine learning algorithms are employed to keep the problem from exponentially increasing in computation time. Introduction and Background Onshore oil and gas...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 14–17, 2019
Paper Number: PSIG-1924
... ABSTRACT We present an algorithm that dynamically reorders the evaluations in a parametric study to find the "interesting" areas sooner rather than later. In some circumstances it can be much faster than traditional studies. Reduced time means faster turnaround for studies, shorter decision...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 15–18, 2018
Paper Number: PSIG-1802
... problems such as pipe blockage, reduced flow area, structural pipe issues, abrasion, corrosion, and low production in wells. This paper explores the multiphase model and computation algorithms used to simulate multiphase flow with sand particles through a subsea pipeline to predict the pressure gradient...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 15–18, 2018
Paper Number: PSIG-1804
... controlling the accuracy of the new data set. This paper describes an algorithm used for downsizing the initial profiles while adjusting the final set to parameters such as: maximum error, minimum distance between data points, maximum number of points in the final data set. APPROACH It is assumed...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 15–18, 2018
Paper Number: PSIG-1810
... optimization university operation procedure outlet pressure compressor station algorithm maciej chaczykowski psig 1810 fuel consumption psig 1810 equation transient condition osiadacz upstream oil & gas gas network optimization problem variation artificial intelligence...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 15–18, 2018
Paper Number: PSIG-1816
... operations, reduce fuel consumption and costs, and maximize producer and consumer throughput in real time. This paper introduces a unique method to optimize these complex natural gas pipeline total value streams and achieves the stated objectives by integrating turbomachinery algorithms into a high-fidelity...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 9–12, 2017
Paper Number: PSIG-1701
... static and dynamic scenarios where one of the parameters is a dynamic change of the quantity and quality supply from LNG Terminal to the network. volatility algorithm transmission system storage gas composition composition end user brzeczkowski exit point psig 1701 simulation lng...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 9–12, 2017
Paper Number: PSIG-1710
... is solved to evaluate the type and the number of simultaneously operating compressors, while determining such a distribution of the capacity that the total unit fuel consumption in each time interval is minimized subject to the constraints imposed. The paper presents an algorithm of automatic search...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 10–13, 2016
Paper Number: PSIG-1605
... to be considered. In this paper, a single source and multi-terminals products pipeline system was studied. A novel optimization model was developed, while the Simulated Annealing algorithm was applied. In contrast to existing literature, a new objective function was proposed, that the flow rate of each pipe...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 10–13, 2016
Paper Number: PSIG-1609
... the interconnections between both systems and propose a method for coupling the combined simulation model. Next, we develop the algorithm for solving the combined system and integrate this algorithm into a simulation software. Finally, we demonstrate the value of the software in a case study on a real world...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 12–15, 2015
Paper Number: PSIG-1506
... of new SCADA based rupture detection algorithms. This paper will provide an overview of the different rupture detection approaches, present some high level results and share learnings from work completed to date. INTRODUCTION Most major liquid pipeline operators have a method of automatic leak detection...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 12–15, 2015
Paper Number: PSIG-1508
... the leak location problem into an optimization problem under certain conditions. Then we develop a derivative-based search algorithm to solve that optimization problem. The derivative will be calculated from an approximate of the underlying mathematical model that describes the dynamics of pipeline systems...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 12–15, 2015
Paper Number: PSIG-1509
... to solve it. Babu et al. (Babu 2005) used a differential evolution technique based on genetic algorithms to find the optimum design of a network. Elsheikh et al. (2012) used commercially available mixed integer optimization software (LINDO) to solve the associated nonlinear optimization problem. Several...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 12–15, 2015
Paper Number: PSIG-1511
... artificial intelligence extractive cem optimization problem neural network emission algorithm proportion challenger model simulation interest group pipeline simulation interest group exhaust gas component neuron process variable exhaust gas component proportion cross-validation sample...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 6–9, 2014
Paper Number: PSIG-1416
..., making expensive re-injection necessary. If one or more stations can be bypassed at proper locations and in conjunction with the pump unit-selection system-wide optimization, the cost of re-injecting expensive DRA downstream of that station can be reduced. We consider several algorithms for pump...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, April 16–19, 2013
Paper Number: PSIG-1301
...) is a term that was developed by the American Pipeline Institute (API) to refer to software based algorithmic monitoring tools which are used to enhance the abilities of a Pipeline Controller to recognize hydraulic anomalies in the oprations of a pipeline. Somet imes these anomalies may be indicat ive...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 15–18, 2012
Paper Number: PSIG-1208
... of available linepack. psig 1208 crigen available linepack linepack utilization compression station pressure drop operation configuration pipeline simulation interest group optimization transient phase pipe algorithm storage computation grtgaz constraint consumption average pressure...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 24–27, 2011
Paper Number: PSIG-1121
... parallel computation computation hardware calculation iteration parallel computing compressors engines and turbines serial computer software parallelism simulation user developer parallel algorithm psig 1121 computing communication computer speedup artificial intelligence...

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