Community Research and Development Information Service - CORDIS


ICBM Report Summary

Project ID: ENK6-CT-2000-00095
Funded under: FP5-EESD
Country: United Kingdom

Compositional simulator (METSIM2) for methane recovery

The initial CBM simulator METSIM developed at Imperial College was designed for primary methane recovery. The simulator solves a set of Darcy equations for the water and gas (methane) phases in the cleats. In order to simulate CO2 sequestration/enhanced recovery, three new equations needed to be solved simultaneously for the methane, CO2, and water components in the upgraded simulator (METSIM2).

- METSIM2 has been verified against other ECBM simulators in a numerical simulator comparison study. The results are in good agreement with those from the other ECBM simulators participating in the study.

- Using the laboratory data obtained by TUD, a bidisperse pore diffusion model was developed and implemented. Further development of the stress-permeability theory led to the pore pressure dependent absolute permeability relationship for the coalbed reservoir during both primary and CO2-enhanced recovery/CO2 storage.

- METSIM2 has been successfully used to history match the Allison Unit ECBM pilot in the San Juan basin.

Related information

Reported by

Imperial College London
Department of Environmental Science and Technology, South Kensington Campus
SW7 2AZ London
United Kingdom
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