In June 2005, the LJL52-10 well produced 10 tons of oil, with 2.1 tons from Nissan and 0.5 tons from Nissin, while water cut reached 76.4%. By September 7th, the same well showed significant improvement, producing 6.2 tons of oil, 4.5 tons of Nissin, with a water cut of only 26% and a liquid level of 1215 meters. This dramatic change was attributed to the implementation of rod pump efficient lifting technology.
The Bennian Oil Production Plant has many low-yield wells, where the mechanical pumping efficiency is often below 10%. Most oil production units currently use tubular pumps for extraction, but the depth of these pumps is limited, typically ranging between 1400 to 1800 meters. For deeper wells, conventional tubular pumps are not effective, often referred to as "out of reach."
To address this issue, 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, with pump depths reaching 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 to further validate the effectiveness of this new technology.
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