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    • 3. 发明授权
    • Production of steam and its application to enhanced oil recovery
    • 生产蒸汽及其应用,提高采收率
    • US08430164B2
    • 2013-04-30
    • US12829434
    • 2010-07-02
    • Annie Audibert-Hayet
    • Annie Audibert-Hayet
    • E21B43/24E21B43/34
    • E21B43/24F22D11/006
    • The invention relates to a method for producing steam comprising the successive steps of: providing feedwater containing carbonate and/or sulfate ions; adding a crystallizing reagent able to react with carbonate and/or sulfate ions to the feedwater, in order to produce carbonate and/or sulfate crystals; filtering the feedwater with a ceramic membrane to produce a permeate stream; supplying the permeate stream to a boiler; and generating steam in the boiler. The invention also relates to an installation adapted for implementing said method, as well as to a process for extracting hydrocarbons from a subterranean formation using the abovementioned method for producing steam.
    • 本发明涉及一种生产蒸汽的方法,包括以下连续步骤:提供含有碳酸盐和/或硫酸根离子的给水; 加入能够与碳酸盐和/或硫酸根离子与给水反应的结晶试剂,以产生碳酸盐和/或硫酸盐晶体; 用陶瓷膜过滤给水以产生渗透物流; 将渗透物流供应到锅炉; 并在锅炉中产生蒸汽。 本发明还涉及一种适用于实施所述方法的装置,以及使用上述制造蒸汽的方法从地层中提取碳氢化合物的方法。