1-20 of 20
Keywords: probability
Close
Sort by
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 16–19, 2023
Paper Number: PSIG-2306
... analysis of the pipeline at the high points of the pipeline where slack conditions will first appear. The derived distribution was used to determine probability of slack conditions at any time. The new, statistical approach is illustrated with multiple examples from operating pipelines. Over time...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 3–7, 2021
Paper Number: PSIG-2119
..., the loss of transmission caused by extreme reliability standards. weather, etc.) that may jeopardize natural gas availability. Probabilities of such events characterize the transitions between INTRODUCTION states. We evaluate the physical and operating state of the natural gas and power systems...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 3–7, 2021
Paper Number: PSIG-2106
... fail open and fail closed scenarios Figure 2 - Description of probability of failure for at the station-level for each of the regulator station design types measurement and control regulators utilized by a utility. The factors required to calculate the probability of the regulator station failing open...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 14–17, 2019
Paper Number: PSIG-1925
... the paper was presented. Write Librarian, Pipeline Simulation Interest Group, 945 McKinney, Suite #106, Houston, TX 77002, USA [email protected]. ABSTRACT Analysis of the operating risk due to hazardous liquid pipeline spills is a challenging task. One reason for this is the fact that the spill probability...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 14–17, 2019
Paper Number: PSIG-1928
... leak location leak rate contribution simulation probability failure frequency leak condensate corrosion upstream oil & gas assumption evaluation pipeline system offshore pipeline operation frequency © Copyright 2019, PSIG, Inc. This paper was prepared for presentation at the PSIG...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 10–13, 2016
Paper Number: PSIG-1603
... are probably familiar to the reader, their construction is not always so straightforward if numerous decisions and uncertainties are present in the problem. Attempting to capture all relevant variables present in a problem will result in a rapidly growing tree with many branches being formed...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 6–9, 2014
Paper Number: PSIG-1407
... detection technologies that Atmos offers can be combined to make a specific multi-method leak detection system that is optimized to detect all types of leaks on a pipeline. climate change wave system probability leak size negative pressure wave system air emission balance system actual leak...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 6–9, 2014
Paper Number: PSIG-1428
... systems (LDS), while having no effect on the probability of a leak occurring, limit the scope of potential damage and reduce risk. The authors propose using a stochastic simulation to quantify the economic effectiveness of these systems in mitigating these low-probability, high impact events for liquid...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, April 16–19, 2013
Paper Number: PSIG-1304
.... A Bayesian inference process is regularly applied to this stochastic model in such a way that the system determines a leak probability or validity value, and the most likely current TAPS leak and measurement/modeling error state. From the user perspective, any PLD system alarm is accompanied...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 24–27, 2011
Paper Number: PSIG-1122
... 01-713-586-5955. ABSTRACT This paper discusses the challenges in expanding the capacity of the Dampier to Bunbury Natural Gas Pipeline (DBNGP) which has its capacity transportation services defined by probability of supply with specific interruption limits. The DBNGP has two main types of capacity...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 12–15, 2009
Paper Number: PSIG-0905
...-586-5955. ABSTRACT This paper discusses the challenges in simulating the Dampier to Bunbury Natural Gas Pipeline (DBNGP) which has capacity transportation services defined by probability of supply with specific interruption limits. There are two main types of capacity services, namely, Firm and Non...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, October 11–13, 2006
Paper Number: PSIG-0604
... of alarms. Detection of such breaches of integrity may require the integration of large amounts of knowledge from multiple sources via the man-machine interface to assess the true probability that the pipeline is actually experiencing a leak. Knowledge integrated by the control room staff may include data...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, November 7–9, 2005
Paper Number: PSIG-0506
... & gas maintenance task compressor compressors engines and turbines artificial intelligence probability buenos aires relative frequency PSIG 0506 NATURAL GAS COMPRESSION STATIONS Compressors out of service distribution function. Analysis and evaluation. Fernando J. Pillon, T.G.N. S.A...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, November 7–9, 2005
Paper Number: PSIG-05A1
... and tendency to state the performance of a leak detection system (LDS) as a single number: detectable leak size. Generally, however, a more detailed view of leak detection system performance is provided by a set of performance maps that relate leak size to probability of detection as a function of elapsed time...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, October 15–17, 2003
Paper Number: PSIG-03A4
... such as capital required for equipment acquisition, construction and assembling costs, revenues, taxes, general and administrative costs, depreciation criteria and other items. 4. Identify uncertain variables and define probability distribution and their parameters. 5. Create a project economic model using...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, October 15–17, 1997
Paper Number: PSIG-9704
... are typically coincident with these behavioral patterns. In the evenings between 5:OO p.m. and 10:00 p.m. a second, smaller peak load is observed. Temperatures are in decline during this period and a behavioral component is probably also at work. People arrive home from work, turn up their furnaces, increase...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, October 15–17, 1997
Paper Number: PSIG-9707
.... The transmission system thus became very complex (see attached map). scenario temperature profile gas storage pipeline transmission system balance capacity balance ldc netherlands september 1997 natural gas storage capacity measure upstream oil & gas calculation probability underground...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, October 23–25, 1996
Paper Number: PSIG-9611
... criterion probability compressor station failure filter downstream oil & gas reliability failure probability monte carlo simulation transmission system calculation failure case availability pipeline degraded case probability mass accuracy transport system PLANNING OF THE TRANSPORT...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, October 14–15, 1993
Paper Number: PSIG-9310
... midstream oil & gas molecule forecast energy requirement dth probability heat loss artificial intelligence industrial customer customer numerical method energy consumption ohio market normal distribution accuracy wind velocity weather heating unit indoor temperature...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, October 24–25, 1985
Paper Number: PSIG-8506
... peaks in multimodal (many peaked) search spaces. GA's work from a database of points simultaneously (a population of strings) climbing many peaks in parallel, thus reducing the probability of finding a false peak. To get a starting population, we can generate some number of strings (typically 50 to 100...

Product(s) added to cart

Close Modal