Abstract Estimating reserves and predicting production in reservoirs has long been a challenge. The importance of performing accurate analysis and interpretation of reservoir behavior using only rate and pressure data as a function of time or cumulative production is fundamental to assessing remaining reserves and for forecasting production. An interactive system was developed to assist in Decline Curve Analysis (Cartesian, Exponential, Harmonic and Hyperbolic) and Production Forecast in an Integrated Reservoir Management environment.
This paper introduces a refreshingly intuitive navigation of the disparate data sources and input parameters aligned with a comprehensive suite of forecasting models wrapped into a web-based solution. The user is enabled with interactive graphical output to extensive "what-if?? combinations of critical input parameters across multiple forecasting models. Whether working with oil or gas reservoirs, the user has access to a rich compendium of forecasting techniques that detail accuracy indicators and interactive graphs. The relationship, for example, between P/Z and cumulative gas production for typical gas reservoirs can be studied by calculating pressure response to various modes of gas production and water encroachment.
The motivation of designing a web-based DCA in an integrated portal was the need of reservoir engineers to establish a one stop information analysis integrated platform. This platform integrates different data sources and applications used for analyzing engineers' fields and reservoirs saving them the time needed to search and manipulats the data.
Introduction The key to sound business decisions in near real-time is to establish a solid data foundation, combining both current and historical data from operational, planning and management systems in order to identify trends and predict future outcomes Fig. 1.
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