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A long plunger sand pump is designed with a long plunger, short pump cylinder, and a dual-pass connector. It also includes a grit outer cylinder, intake and discharge valves, and a hydraulically connected retaining ring. This system is specifically engineered to enter the oil-producing structure and effectively manage sand during the pumping process. The sand control mechanism works by using a sandblasting ring and liquid leakage to prevent sand from entering the gap between the plunger and the pump cylinder seal, thus eliminating the risk of sand sticking or jamming. When the well stops pumping, the sand settles into the pump through the sink ring, preventing it from being trapped or causing blockage.
Key features of this sand pump include excellent resistance to sand jamming, sand burial, and sand accumulation. It is also highly resistant to corrosion, ensuring a longer service life. The design reduces wear on the tubing and makes maintenance more straightforward and efficient. This system is ideal for use in challenging environments where sand production is a common issue, offering reliable performance and minimizing downtime due to sand-related problems. Whether in deep wells or high-sand-content formations, this pump provides a durable and effective solution for sand management in oil production.
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