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Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 3–7, 2021
Paper Number: PSIG-2106
..., including number of customers affected, how much pressure is or members. Papers presented at PSIG meetings are subject to publication review by Editorial seen downstream, station scoring, and total length of pipe Committees of the Pipeline Simulation Interest Group. Electronic reproduction, distribution, or...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 14–17, 2019
Paper Number: PSIG-1920
... of creating a Transient real time model of one such small transmission system where as much as 80% of the deliveries are not on SCADA. This ~75- mile-long system is mostly comprised of larger seasonal agricultural customers which can draw the system down and impact the few residential distribution...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 14–17, 2019
Paper Number: PSIG-1922
.... PG&E S IN-LINE INSPECTION PROGRAM PG&E is a combined gas and electric utility that serves customers throughout a 70,000 square-mile service area in northern and central California. Its pipeline network includes 6,700 miles of gas transmission pipelines that operate over 60 psig and deliver gas to 4.3...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 9–12, 2017
Paper Number: PSIG-1719
... perform this safety work. How can dead-end, single feed natural gas systems be taken out of service to perform safety work while maintaining service to customers? It has become increasingly necessary to support customers using portable natural gas (PNG) in compressed (CNG) or liquefied (LNG) form. Pacific...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 10–13, 2016
Paper Number: PSIG-1611
... natural gas power system regulatory change operator artificial intelligence coordination customer pipeline iso social responsibility electricity midstream oil & gas psig 1611 power plant operation pipeline operator sustainable development information requirement generator...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 10–13, 2016
Paper Number: PSIG-1614
... scenario summary table operating restriction peninsula lt system restriction safety work curtailment batch analysis tool customer system outage psig midstream oil & gas reliability system intelligence operation modeling & simulation psig 1614 reduction © Copyright...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 10–13, 2016
Paper Number: PSIG-1616
... Abstract Predicting customer demands is critical for accurate simulation of gas pipeline networks. A long-standing challenge for accurate demand forecasting has been to reveal the customer's behavior within monthly bills correlated with monthly average temperatures. Access to usage data on a...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 10–13, 2016
Paper Number: PSIG-1617
... used to create peak hourly demand scripts and profiles that can be imported into hydraulic modeling software to predict system flows at any time of the day on any heating degree day (HDD). Every hydraulic system is predicted to have its own unique 3D surface graph based on the mix of customer types...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 6–9, 2014
Paper Number: PSIG-1401
... commonly included to reduce the risk of exceeding the design volume on design day. Natural gas utilities are expected to provide a firm level of service to customers on an extreme cold weather day called the Design Day. The design day is measured in heating degree days (HDD). In the gas industry, ambient...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, April 16–19, 2013
Paper Number: PSIG-1328
... customer deviation simulator training simulator pipe overview Copyright 2013, Pi peline Simulati on Interest Gr oup This paper was prepared for presentati on at the PSIG Annual Meeti ng held in Prague, Czech Republic, 16 April 19 April 2013. This paper was selected for presentation by the PSIG...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 15–18, 2012
Paper Number: PSIG-1211
...&E GAS TRANSMISSION SYSTEM PG&E's gas transmission system consists of approximately 6750 miles serving 4.3 million gas customers a total of about 1 Tcf annually. PENINSULA HYDRAULIC ANALYSES FOLLOWING THE SAN BRUNO EVENT The initial impacts to gas system planning analyses were centered on...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 15–18, 2012
Paper Number: PSIG-1217
... network of over 118,000 miles of pipelines and supplies 11 million customers. Due to the complexity and density of the network, one of the major issues for the distribution company is safety. 2 SECURING THE NETWORK 2.1 Background to an intervention To gain a clear understanding of the issues arising...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 15–18, 2012
Paper Number: PSIG-1219
... design questions are different than the criteria and data used to answer operational questions. customer demand modeling method modeling & simulation usage configuration model distribution system brad bean psig 1219 demand portion customer heating load coincidence cumulative usage...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 24–27, 2011
Paper Number: PSIG-1101
... peak hourly flow rates are designed for. Estimating how customer demands change over the day is needed to create demand profiles. Many types of customer gas usage patterns exist and are related to heat and non heat dependent factors. Customers include residential, commercial businesses, greenhouse...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 24–27, 2011
Paper Number: PSIG-1102
... transmission system psig 1102 planning engineer customer demand data distribution system utilization sensitive system usage investment peak day demand uncertainty modeling uncertainty operation outage demand uncertainty psig sensitivity analysis PSIG 1102 Peak Day Demand...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 24–27, 2011
Paper Number: PSIG-1103
... boundary condition midstream oil & gas reliability parameter cost-efficient network optimization interruption frequency network cost customer network structure pressure regulator natural gas distribution network reliability artificial intelligence actual state network...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 24–27, 2011
Paper Number: PSIG-1106
... modeling. I remember taking weeks to draw a schematic of the piping system, numbering elements and nodes, generating computer cards for each element and customer, assembling card decks, loading card decks into the computer, waiting all night for the computer to run and then plotting the results on a...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 24–27, 2011
Paper Number: PSIG-1105
... coordinate systems, facility identification and separation, pipe size designation, connectivity, customer load allocation, regulator and gate station handling, inclusion of valves, and the use of operating data will be discussed along with common issues associated with each topic. A list of common problems...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 24–27, 2011
Paper Number: PSIG-1123
... (NGL), sulphur and transport the end product to customers. As the need for domestic use of natural gas demand grew, additional facilities were added to the MGS to extract, process, and deliver sales gas, ethane and NGL to customers. Presently, sales gas is produced in six gas processing facilities. In...
Proceedings Papers

Paper presented at the PSIG Annual Meeting, May 12–15, 2009
Paper Number: PSIG-0909
... blowdown hasrul nizal hanafi psig 0909 maintenance activity hydraulic simulation pipeline pigging scenario malaysia customer modeling & simulation effective planning shutdown coordination supplier psig 0909 midstream oil & gas simulation upstream oil & gas thailand...

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