WELLBORE TREATMENT FLUID SELECTION ADVISOR

The invention is an interactive computer system for help in selecting well-services treatment fluid comprising a set of fluid families, a set of relevant fluid characteristics and a set of digital ratings of each fluid family with regard to these characteristics. The system further includes a set of job parameters pertaining to the treatment and qualitative ratings of said parameters estimating their relevance in the effective success of a treatment. An interface allows the user to enter the job parameters values known to him. Built in rules, associated with calculating means including an integrated spreadsheet, match fluid characteristics and job parameters and trigger the elimination of fluids that are not compatible with some value of the job parameters and compute a confidence index for the non-eliminated fluid families, said confidence index based on the one the sum of the products of the fluid families digital ratings and on the rating of the known job parameter. The system also includes means to display the results.