in order to provide the required pressure for wellhead , after the well analysis and the down hole design for the first time in the country a Long Stroke Sucker Rod Pumping unit with the stroke length of 9.3 meters and lifting capacity of 50.000 pound were successfully installed and started up by experts of Petro Edman at depth of 1924 meters based in the deepest operation in the country on the Ahvaz well No.420 belong to the National Iranian South Oil Company (N.I.S.O.C) with the possibility of producing more than 1300 barrels Crude oil per day and achieved production targets. In this regards, in November of 2023 second Long Stroke Sucker Rod Pumping unit at depth of 2346 meters was installed and started up with the possibility of producing more than 1200 barrels Crude oil per day.