China petroleum net news, as of August 22nd, Daqing oil production plant 91 low productivity and low efficiency wells cumulative oil increase of 4200 tons, for the old oilfield classification management, improve the quality of single well provides reference.
To make low production and inefficient wells "off poverty" must be targeted so as to maximize the potential of the reservoir. By virtue of years of development and management experience and technology, the technical personnel of the factory have taken the measures of fracturing, patching and blocking water, so that the low productivity and low efficiency wells have been renewed". High 135-S306 is located in the central western Gaotaizi oil factory block fault on the side of the mouth of a low yield wells, wells is the main characteristics of high water content, high liquid production, inefficient circulation is more obvious, and technical personnel to carry out joint consultation on this well, according to the production data and comprehensive geological conditions, determine the new measures of composite patch hole and water plugging "two pronged", not only to ensure that the increase of yield, but also control the water rising trend. After taking this brilliant idea, the average daily oil consumption of this well is 7.39 tons, the water cut is 21 percentage points, and the oil production is 3.4 times higher than the average of the block, which has turned into a high-yield well.
On this basis, the factory technical personnel also found that low yield wells wells between seepage channels, to achieve effective water flooding, they through the implementation of perforation, fracturing, control measures, ensure the long term effect of low yield wells governance, implementation of a total of 92, increased 57 tons of oil.
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