agarwal_skin_solution_initial: agarwal_skin_solution_initial

In khaors/pumpingtest: R Package for the analysis and evaluation of pumping tests

Description

Function to calculate the initial solution of the Agarwal solution (skin and wellbore storage)

Usage

agarwal_skin_solution_initial(ptest)

Arguments

ptest

A pumping_test object

Value

A list with :

• a: Slope of the straight line fitted to the drawdown data using the Cooper-Jacob approach

• t0: Intercept of the straight line fitted to the drawdown data using the Cooper-Jacob approach

• sigma: skin factor

Author(s)

Oscar Garcia-Cabrejo [e-mail]

References

Agarwal, R.; Al-Hussainy, R. & Ramey, H. An Investigation of Wellbore Storage and Skin Effect in Unsteady Liquid Flow: I. Analytical Treatment. Society of Petroleum Engineers Journal., 1970

See Also

Other agarwal_skin functions: agarwal_skin_WF_LT, agarwal_skin_calculate_parameters, agarwal_skin_solution_dlogt, agarwal_skin_solution, agarwal_skin_well_function

Examples

data(papadopulos_cooper)

khaors/pumpingtest documentation built on Nov. 15, 2019, 8:10 p.m.