In June 2005, the LJL52-10 well showed significant production changes, with Nissan 2.1t and 0.5t oil, along with 76.4% water content. By September 7th, the same well produced 6.2t of Nissan and 4.5t of Nissin, with a water cut of 26% and a liquid level of 1215m. This dramatic improvement was attributed to the implementation of rod pump efficient lifting technology. At the time, the Bennian Oil Production Plant had many low-yield wells, with machine mining efficiency below 10%, which made traditional methods inefficient.
Currently, most oil production plants use tubular pumps for extraction. However, the depth at which these pumps operate is limited, typically ranging between 1400 to 1800 meters. For deeper wells, standard tubular pumps often fail to reach the required depth, making them unsuitable for such applications. In July 2005, the oil extraction plant introduced rod pump technology, which allows for continuous lifting using small-diameter oil pumps. This method enables deep pumping, reaching depths of up to 2200 to 2300 meters.
The first test was conducted in well LJL52-10, and it was successfully put into production on August 7th, showing excellent results. A second test is currently being carried out in well LJL52-12, with similar positive outcomes expected. This new technology has significantly improved the efficiency and productivity of previously underperforming wells, demonstrating its potential for broader application across the plant.
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