Chinese oil network news as of August 5th, by the process of Shuguang oil production plant of Liaohe Oilfield senior engineer Guo Hongjun technical personnel for development of Slimhole can be doped with wash type mechanical water plugging technology during the 59 day of the experiment, the cumulative oil production of 589.8 tons, Nissan 14.9 tons of oil wells measures the highest water content, a decrease of 47 percentage points.
Du 813-41-44 well is a super thick oil well in Du 813, Xinglongtai. The production is up to the end of the twelfth cycle. The leakage of the hanger is determined by the leakage of the operation, and the high water cut of the oil well is caused by the channeling of the top water. The inner diameter of the casing diameter of 127 mm to 108.6 mm, the hole size is limited only by Y111-102 and Y221-102 packer plugging the leak of routine water plugging, but because of the high viscosity wells, water plugging, thin oil blending and well washing operations can not be implemented, shortly before the pump wells card pump, resulting in oil well not normal production.
To this end, Guo Hongjun and technical personnel and project group on technology research, in the original basis of water plugging technology, through the optimization of column structure improvement, supporting tools, developed to adapt to the small 108 mm diameter casing casing can be mixed with washing type mechanical water plugging technology.
The test of this technology has successfully expanded the application range of super heavy oil plugging technology, and cleared the way for solving the high water cut contradiction in slim hole wells. Measures are expected to increase the amount of work 3 times a year, 400 tons of oil increase.
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