... histogram determination storage capacity porosity nelson reservoir barnett shale cumulative production equation 1 canada fractured reservoir coefficient complex reservoir recovery tight gas formation carbonate reservoir classification upstream oil & gas cumulative...

... was substituted in equation 1, and DR in equation 1 was solved for the data given in table 1. Note that all the other controllable variables are kept at constant values while MW was changed. Figure 1 shows that the drilling rate is 20ft/hr at 12 ppg MW, whereas at 13 ppg MW it can be reduced by more than 50% to 9...