Arvandan Oil & Gas Company is announced that the VG measurement system which has been tested successfully with high accuracy and quality in three wells (50, 51, and 55) under natural and artificial gas lift flowing conditions in north Azadegan oil field and confirmed the information declared and claimed in the attached product catalog. The VG results have also been compared against reference conventional test separators and presented very good agreement and compliance in terms of measurement uncertainties; liquid rate less than 5%, gas rate less than 10%, and water cut less than 2% abs. for all wells and flowing condition.