Since the beginning of this year, Dagang Oilfield's three oil production plant has taken injection control measures such as enhanced cycle injection, pulsed water injection, fine production, differential pressure and liquid production adjustment. As of July 24th, the factory has increased 6070 tons of oil, cost savings of 1 million 620 thousand yuan.
Well group allocation control decline. In view of the three super high water cut oilfield with comprehensive water cut 88.53%, the water injection well unit is used as a unit to distinguish the reservoir types and water bearing grades of the injection well group, and carry out variable direction and variable strength water injection methods. At present, a total of 982 wells have been injected and 3381 tons of oil have been accumulated, the natural decline of the whole plant has dropped by 2.1% compared with the same period of last year.
Adjustment of pressure to increase oil. Oil three factory technical personnel to strengthen the reasonable pressure difference of water injection and oil production increment, through the end of the best coordination, optimization of pressure increment, enhance oil recovery through the pump, pump; deepen upgrades and other economic measures increased 792 tons of oil.
Fluid production regulation and synergism. Dagang mining three to carry out "double low" governance. The implementation of low efficiency water injection wells 9, reducing water injection 93 cubic meters / day, 26.04 tons of daily oil, the cumulative increase of 1897 tons of oil; the implementation of low efficiency pumping shaft pumping 15, the daily electricity saving 9986 kwh. Through the above measures, the factory accumulated cost savings of 1 million 620 thousand yuan, to achieve the reduction of efficiency.
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