China's oil network news that the naked eye can not see the microorganisms for the production of crude oil has brought great energy. November 21st, Yumen Laojunmiao oilfield oil three team captain Bao Chuanming said: "we use microbial dosing measures to open the clogged oil and increase oil production."
"We selected 23 wells, the implementation of microbial dosing measures. Through the use, it is found that in the wellbore wax cleaning, prevention and increase oil production, the effect is obvious. Importantly, this method has the advantages of simple operation, good production effect, less investment, high input output ratio and no pollution. Now it has become an effective measure for paraffin removal and paraffin control in oil wells of oil fields." Oil production three team technology leader Feng Bin said.
It is understood that the oil field is a typical low temperature reservoir, low permeability, low production, high wax content. Wax deposition is serious, affecting the normal production of oil wells. Previously, the three team of Laojunmiao oil production plant by adding regular paraffin remover or hydrophilic membrane, and frequent hot wash oil measures to ensure maximum stable production of old wells. However, the workload and cost of oil well maintenance also increased significantly. At the beginning of this year, comprehensive consideration, oil three team change paraffin remover for microbial dosing measures, hydrophilic membrane measures from 23 to 15 wells, increase microbial dosing measures 23 wells. Through the field use, the microbial dosing measures slowed down the adhesion of paraffin in the shaft wall, effectively solved the wax deposition problem in the wellbore and bottom hole, not only prolonged the thermal washing cycle of the oil well, but also reduced the production load and saved the energy consumption. But these are not all of its advantages. Microbial dosing is like injecting millions of small bacteria into the ground, allowing them to reproduce, cleaning underground tunnels, dredging clogged oil channels, and improving the productivity of oil wells, while increasing rainfall and oil.
Laojunmiao oil production measures of three teams for microbial dosing, "Jones" battle, not only to defeat the enemy, but also achieve the goal of increasing production. Among them, the wax plugging serious Shi Ping 2 well test, production increased significantly, daily output from the initial 0.7 cubic meters rose to 1 cubic meters, followed by daily output stabilized at 4 cubic meters, moisture content of 40%.
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