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    • 4. 发明授权
    • Movable oxidizer injection point for production of coal in situ
    • 活性氧化剂注入点,用于原位生产煤
    • US4484629A
    • 1984-11-27
    • US426170
    • 1982-09-28
    • Ruel C. Terry
    • Ruel C. Terry
    • E21B43/247
    • E21B43/247
    • After a linkage channel is established through an underground coal seam connecting two vertical wells, a tubing bender/straightener is positioned in a first well aligned with the linkage channel. Oxidizer injection tubing is inserted from the wellhead into the tubing bender/straightener. The tubing is forced through the tubing bender/straightener and on into the linkage channel. The coal is ignited and the fire sustained by continuous injection of oxidizer through the tubing, creating a reaction zone separated from the first well with products of reaction recovered through the second well.
    • 在通过连接两个垂直井的地下煤层建立连接通道之后,将管弯曲机/矫直机放置在与连杆通道对准的第一井中。 氧化剂注射管从井口插入管弯管机/矫直机。 管道被迫通过管道弯曲机/矫直机并进入连接通道。 煤被点燃,并且通过连续注射氧化剂通过管道产生火焰,从而产生与第一井分离的反应区以及通过第二井回收的反应产物。