Table 3: Root Mean Squared Error of the grid and oil production data from channelized reservoir model.

Root Mean Squared Error	Grid	Oil Rate
Standard EnKF (3 Wells)	205 md	W-1: 188 BOPD W-2: 207 BOPD W-3: 49 BOPD
RCL EnKF (3 Wells)	42 md	W-1: 73 BOPD W-2: 27 BOPD W-3: 44 BOPD