GasAssure is an advanced integrated oil and gas, production planning technology which, in particular, can perform a vital role in the planning of short, medium and long-term gas projects. It offers a truly integrated solution, from "reservoir to market", for the widest range of gas planning issues. GasAssure is market driven and works by controlling and tracking components from the reservoirs, through wells, pipelines, facilities and into the gas processing plant, in such a way that a range of complex demand specifications, typically weight and heating value, are honoured. In this way GasAssure is capable of analysing the highly complex technical aspects of gas production and delivery. Through its integration of information from all aspects of the oil and gas supply chain, GasAssure is able to support crucial development and operational decision-making in an extremely efficient and cost effective way.