Modeling and performance prediction for water production in CBM wells of an Eastern India coalfield

Dewatering of coal bed methane (CBM) reservoirs is a very important part of methane production. Efficient production depends very much on the proper designing of the wells. In the present study, a comprehensive testing is conducted on 17 wells of a particular block in Eastern India and a general reservoir flow equation is modeled. Prediction of the water flow potential of a particular well using the derived flow equation helps in monitoring the variables of the artificial lift facility. The outcome of work can be used comprehensively to predict the future water and gas flow rates of simulated wells under the designed test.