To use MPFM for exploration and/or appraisal well testing instead of a conventional test separator represents the direction of technology development. The small foot print, real time data acquisition and display system greatly simplifies well testing equipment and processes, removes uncertainties associated with time delays due to gravity separation of oil and water, substantially saves CAPEX and OPEX, reduces the time of field construction, thus improves reserve evaluation processes. Haimo offers mobile testing units for such services.