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It "washes" seventy billion yuan from the seams

It "washes" seventy billion yuan from the seams

  • Categories:Industry News
  • Author:
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  • Time of issue:2020-03-31 14:57
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It "washes" seventy billion yuan from the seams

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2020-03-31 14:57
  • Views:
Information

Just released statistics show that in the first quarter this year, the technology of asp flooding in daqing oilfield produced 1.012 million tons of oil, so far, the technique, production reached 21.57 million tons of oil, to create the output value 70.24 billion yuan. More than 70 billion yuan was "washed" from the seams, and a technology created the "myth".

"At the beginning of the oil field, oil from the well by formation pressure itself 'spray'. Then a time, needs to be injected underground water, the oil 'squeeze'. But rely on natural energy and the ultimate recovery of water flooding development is only 33%, there are about two-thirds cannot be produced. Enters the development mid and late, you need to rely on chemical 'wash' out of their clefts in oil, like wash the clothes with laundry detergent stains. According to the data computation, sandstone oil field all over the world every 1% increase recovery efficiency is equivalent to find another in daqing oil field." Cheng jie, assistant chief engineer of daqing oilfield company and manager of the compound drive project, became the technology daily for the science and technology daily.

Now, supporting the asp flooding in daqing oil field of sustainable development, but in the 1980 s, foreign experts for the application of asp flooding in daqing oil field sentenced to "death".

"Daqing oilfield in 1986 and the French national institute of oil cooperation in feasibility study of asp flooding, the French experts say we in daqing oilfield, the original low acid value, shall not apply to the asp flooding, let us forget about this technology." "But we didn't give up," cheng said.

"The three-dollar compound drive is a technical system. As a system engineering, every research and development link is likely to run into 'hard bones'." "Said wu junzheng, deputy manager of daqing oil company's composite drive project manager.

The hardest bone is a living agent, which is not suitable for domestic oil repellent and has no production process. Foreign imports are expensive, and the cost of 20,000 yuan per ton is impossible to scale.

Exploration and development research institute of daqing oilfield company led by chief engineer WuXiaoLin innovation team, carries forward the daqing oil field researchers pursued by "SanChao spirit", after more than 5600 times of experiments, record the stack up one person's much taller experiment recording paper, finally face the hardest bone in 2001, to develop and produce a applicable to the strong, weak base ternary compound system of 2 kinds of surface active agent of industrial products, the daqing oil field oil recovery efficiency increased by 20%, the main oil field recovery eventually break 60%, compared to the surface active agent cost and foreign was reduced by 40%, surface active agent in save money 2.48 billion yuan. How to become the international technology leader in the field of international oil, make our country become the world's only large-scale industrialized country of the application of asp flooding technology.

2005, asp flooding project listed as one of China's oil field test "the ten, with the expansion of test, and the injection allocation rate of the system is running low, frequent lifting pump inspection and effluence difficult problems, such as oil/water separation.

To uniform the "obstacle", in 2010, daqing oilfield all integration advantage resources, formed a huge scientific research team, set up composite flooding project, intends to break through the dependence on the original oleic acid value of traditional theory, through the asp flooding oil production of the whole industry chain, greatly expand the application field.

In the research and development laboratory of daqing oilfield company, the reporter saw the 3-yuan compound displacement ratio of different alkali type. WuXiaoLin introduction: "the technology of asp flooding is like" laundry detergent ". When drilling in injection water adding alkali, surface active agent and polymer, form a ternary compound system, hidden in the bolt, conventional water flooding of oil in the "wash". With this agent "prescription", facing the reserve-production imbalances, the reserves quality variation, the rising cost of development and other issues of daqing oil field, like a golden key to open the door dream door."

As a strategic replacement of daqing oilfield technology, asp flooding in daqing oil field in 2014 formally implement large-scale industrial promotion, promotion of the first leap in 2 million tons of production steps; Production of 359,000 tons in 2015; In 2016, the production of 407,000 tons of crude oil accounted for 1/10 of the total annual production of daqing oilfield, making it a new growth area for the daqing oilfield.

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