Dagang oil production plant five new pattern displacement agent to dig out remaining oil
See 75% of the efficiency of the oil well
Moisture content decreased by 8.8%
China Petroleum Network News in September 2nd, I was informed that 4 wells technology in Dagang Oilfield five plant application of new flooding, benefit wells efficiency 75%, water content decreased by 8.8%; stage of production of 1868 tons of crude oil.
High permeability reservoir in Gangxi oilfield has entered high water cut development period, because of high temperature, high salt system difference can not meet the needs of deep flooding reservoir in Gangxi existing flooding, with safety and environmental protection concept, researchers used a novel chromium free low temperature crosslinking agent, opened up a new way to improve the high permeability reservoir recovery.
By comparing the performance of different temperature and pH value, the new type of chrome free low temperature crosslinker formula was determined. The formula is free from heavy metal chromium and realizes harmless formation. At the same time, used in the past flooding agent for 80 degrees Celsius high temperature reservoir, while the West Harbor reservoir temperature is only 47.7 degrees celsius. The formula temperature of the new profile control agent is 50 degrees Celsius, which is more suitable for the West Harbor reservoir. Data show that the system has stable performance, gel strength and time is more reliable, and selecting low cost environmental protection plugging agent - composite plant fiber, the novel chrome free low temperature crosslinking system of unit cost decreased by 10% to 30%.
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