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31) The ground water injection systems are of the characters of low efficiency, high electricity expense in China oil fields.

32) Research on reservoir flow units is of significance for better understanding the rule of undersurface fluid flow and distribution of remaining oil during the process of water injection development.

33) This paper systematically analyses charateristics of three conventional parsed water injection patterns.

34) In this paper, an intelligent real-time control system based on DSP(digital signal processor) for oil field water injection is introduced.sentencedict.com/water injection.html

35) For sensitive materials , Alliance can supply a gas - assist system with a secondary water injection gas purge.

36) Scaling would cause great harm on oil and gas production, water injection and drainage process field.

37) At present, full - scale water injection has received early effect and indicated the prospect of waterflooding.

38) Practice also shows that the development of oil field water injection to obtain a higher ultimate recovery.

39) Conclusion By adopting skewed nine-spot pattern, leading water injection, clay stabilizer and wettability reversal, development effect of Chang 8 res...

40) The authors have carried out the experiment of the two kinds of caliber, water injection, without water to the flexible joint of the ductile cast iron pipelines under the situation of not coving soil.

41) Conclusion By adopting skewed nine-spot pattern, leading water injection, clay stabilizer and wettability reversal, development effect of Chang 8 reservoir may be improved.

42) The effective filtering time is long, the cleaning time is reduced, and the water injection efficiency and the quality are improved.