CAUSE AND TECHNIQUE METHOD FOR BREAKINGOF ROD AND TUBE IN ERLIAN OILFIELD

According to the feature of rod separating from well pumping unit in Erlian Oilfield, the cause of separating are studied on mechanism, rod design, work influence and so on.Connected with actual conditions on site, a comprehensive process idea for rod separating is put forward, and corresponding treatment measure is taken according to feature of technique in different tract.The increasing trend of rod separating from well pumping unit year by year is controlled, the technique has an important value for development adjustment in old Oilfield.