Function to calculate the equivalent time of the recovery tests

recovery_equivalent_time(t_recovery, s_recovery, pump_history)

Arguments

t_recovery

Vector with the times since recovery started

s_recovery

Vector with the drawdowns since recovery started

pump_history

Vector with the pump history of the test

Value

A list with

  • ta equivalent time

  • sa drawdown corresponding to equivalent time

References

Agarwal, R. (1980). A New Method To Account For Producing Time Effects When Drawdown Type Curves Are Used To Analyze Pressure Buildup And Other Test Data. SPE Paper 9289.

See also

Other equivalent_time functions: variable_rate_equivalent_time

Examples

data(agarwal_recovery) pump_history <- 14400 agarwal_corr <- recovery_equivalent_time(agarwal_recovery$t, agarwal_recovery$s, pump_history)