Abstract:
Reservoir simulation is the combination of physics, mathematics, reservoir engineering
and computer programming that can predict hydrocarbon reservoir performances under
various operating conditions. History matching is one of the most important activities
during the development and management of petroleum reservoirs. Matched models are
fundamental to ensure reliable future forecasts, and give an idea of the level of
understanding of the geological and reservoir model.
The specific objective of this study was to select an appropriate production scenario
among different alternatives considered for maximum gas recovery at the end of the
prediction years. The goal of the study was achieved by calibrating an available PETREL
generated geo-model of the reservoir collected from Petrobangla. The simulation model
was generated using ECLIPSE 100 black oil simulator and validated by matching the
available pressure and production history of different wells of the reservoir. Various
parameters like horizontal and vertical permeability, transmissibility, relative
permeability of the formation etc were varied to obtain a good pressure and production
match. The history matched model was used for predicting production under different
development conditions for few additional years.
Water table movement with time was tracked and considered for the placement of
additional wells.
Finally, recoveries for different scenarios after the prediction years were compared to get
an idea of the best development option among all the alternatives considered for further
field development.
