China oil network news in August 25th, came Herald Dagang oil factory knotty wells repair battlefield: difficult years after stopping injection wells overhaul, repair layer after turning waste into treasure, high yield, early 5 mm nozzle flowing production, Nissan 23.5 tons of oil, 24.8% water.
In order to improve the utilization rate of oil wells, increasing yield, the plant in the early, early, early results into the implementation of the principle of early deployment, ahead of the implementation of difficult well repair engineering, preferably well-equipped and skilled operation team difficult well repair, ahead of the deployment of power, strengthen the organization of production and process control, and strive to work the success of a mouth, mouth, mouth effect.
The 25-46 well is located in six rooms in May 2013 after the transfer, due to oil, injection, stop injection for many years, the cumulative water injection rate is only 3 thousand and 600 cubic meters, and the well column card in the well, the need for overhaul. In June this year, in order to improve the utilization rate of oil wells, deep and long stop remaining oil potential of the knotty wells, oil production plant and downhole operation company closely, develop a thorough solution of the card salvage plan and design scheme of workover technology, after milling fishing, string stuck out successful wells, and the old grey seal layer in July, measures well, Nissan 23.5 tons of oil, has increased 419 tons of oil.
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