ma28138-Overview-of-GSAM.pdf

An Overview of the Gas Systems Analysis Model (GSAM) January 12, 2000 2 Overview of GSAM Development History • Contract awarded 1992 • Prototype developed in late 1993; required input reservoir data base • Initial design complete in June 1994 • Environmental module initiated in June 1994 • Data development task initiated in August 1994 • First peer-review meeting in October 1994 • Approved enhancements based on October 1994 review in February 1995 • Utilized for DOE metrics/planning September 1995 - June 1996 • Improvements to models and data implemented October 1996 • Testing, validation, and system enhancements based on first peer review • Second peer-review meeting in February 1997 • Various system enhancements ongoing • Applied for various DOE and EPA studies in 1997 and 1998 • Used for 1999 natural gas metrics study • System applications ongoing (NPC environmental study, DOE federal access study) 3 GSAM Struc