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Low displacement and low water pump wells in the production process due to the continuous decline in the temperature of the wellbore, the upper part of easy wax, the oil flow channel narrowed, the emergence of scraping tablets and heavier barrels, resulting in fluid production is zero, affecting the electric pump well normal production. To solve this problem, the No.2 Plant Technology Institute electric pump room technicians developed the anti-collision protection device of electric pump well string in only 4 months from December 2012 to March this year. The device is in the upper part of the oil spill plus a collision avoidance device, the use of the oil sparger waxing and waxing the difference between the diameter of the rod, only allowed to pass through the rod will be isolated in the upper part of the drain can effectively protect the vent Oil device. Even if the heavier rod falls into the well, it will only fall on the upper part of the oil drain instead of throwing the oil drain. When the heavy lifting rod is salvaged, the original well string will not need to be raised, thus effectively protecting the cable and reducing the use of the electric pump unit. The improvement of the management level of electric pump well is of great significance.
At the same time, the device can effectively protect the oil well pipe string drain, thus ensuring the normal production wells.
Zhongyuan Oil Production Plant II submersible pump well collision avoidance protection device developed
Recently, electric Zhongyuan Oil Field Plant developed pump wells string crash protection devices for the first time successfully used in low volume liquid pump wells Pu 1-P4 well. The device has effectively protected the well shaft string of this well, reducing the number of days of construction by 2 days and reducing the output of operation by 9 tons. The economic benefit of single well was 327,000 yuan and the application effect was good.